A strong UHP summer tire pairs warm-weather performance with a size and load rating that match your vehicle, making it a fit for drivers of performance cars who do not need winter capability. In this group, the Firestone Firehawk Indy 500 stands out for its stated wet-road handling and braking features, while the GT Radial Champiro SX2 is explicitly designed for summer use on track and street. The list also includes several Kenda Vezda KR20A sizes, so shoppers can compare fitments without treating those tires as different designs.
Check your vehicle placard before choosing: the options range from 17- to 20-inch rim sizes, and load and speed markings vary. Summer tires are not intended for consistently cold conditions; Kenda specifically cautions against use below 45°F.
The Firestone Firehawk Indy 500 leads this roundup because it is identified as an ultra-high summer-performance tire and lists features aimed at wet-road control, including improved water evacuation and a Pulse Groove water channel. Its 275/40R20 size and 106 W extra-load marking make it a specific fit, not a universal recommendation, so confirm your vehicle’s required size and load rating. For a 17-inch summer tire with track-and-street positioning, the GT Radial Champiro SX2 is a strong alternative.
Our Top Picks
Best OverallIt is explicitly an ultra-high summer-performance tire, with a Pulse Groove water channel and stated wet-road handling and braking improvements.
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Best Track-StreetThis summer tire is positioned for track and street use, with large shoulder blocks, a silica compound, and a 225/45ZR17 fitment.
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Longest Listed Tread LifeIts UHP design targets performance vehicles in warm weather, and the listed 50,000-mile limited tread-life warranty is notable among these choices.
View on Amazon- Wide 18-Inch Fit Kenda Vezda KR20A 265/35ZR18
Compare these UHP summer tire options
| # | Product | Size | Rim Size | Weight | Load Capacity | Buy |
|---|---|---|---|---|---|---|
| 1 | 1. Firestone Firehawk Indy 500Best Overall | 275/40R20 | 20 in | 32.2 lb | 2094 lb | View on Amazon |
| 2 | 2. GT Radial Champiro SX2Best Track-Street | 225/45ZR17 | 17 in | 25 lb | 16 oz | View on Amazon |
| 3 | 3. Lexani LXUHP-207Longest Listed Tread Life | 235/40ZR18 | 18 in | 23.2 lb | 1521 lb | View on Amazon |
| 4 | 4. Lexani LX-TwentyQuiet sporty 19-inch summer fit | 225/35R19 XL | 19 in | 20.6 lb | 1235 lb | View on Amazon |
| 5 | 5. Kenda Vezda KR20A 265/35ZR18Wide 18-Inch Fit | P265/35ZR18 | 18 in | 30 lb | 1433 lb | View on Amazon |
| 6 | 6. Kenda Vezda KR20A 245/40ZR18KR20A summer tire for 18-inch fit | P245/40ZR18 | 18 in | 30 lb | 16 oz | View on Amazon |
| 7 | 7. Kenda Vezda KR20A 215/45ZR17Compact 17-inch KR20A summer fit | P215/45ZR17 | 17 in | 25 lb | 16 oz | View on Amazon |
| 8 | 8. Kenda Vezda KR20A 235/40ZR1717-inch KR20A for warm-weather cars | P235/40ZR17 | 17 in | 25 lb | 16 oz | View on Amazon |
| 9 | 9. Atlas Force UHPWet-and-dry 20-inch performance use | 275/40R20 | 20 in | 44.1 lb | 2 lb | View on Amazon |
| 10 | 10. Part Synergy Kenda KR20AWide 275 summer-tire application | 275/35R18 | 18 in | 35.4 lb | 1521 lb | View on Amazon |
Detailed Reviews: Best Uhp Summer Tires

#1 · Best Overall
1. Firestone Firehawk Indy 500
- Size: 275/40R20
- Rim Size: 20 in
- Weight: 32.2 lb
- Load Capacity: 2094 lb
Best for: Wet-road cornering in 20-inch fit.
Why it ranks #1: It is explicitly an ultra-high summer-performance tire, with a Pulse Groove water channel and stated wet-road handling and braking improvements.
Wide shoulders increase tire stiffness to support dynamic cornering, giving the Firestone Firehawk Indy 500 a clear focus for drivers seeking summer performance. Its Pulse Groove water channel and improved water evacuation target control on wet roads, while the 275/40R20 extra-load specification identifies a particular large-wheel fit.
Firestone links the wide shoulders’ added stiffness with cornering confidence, a useful feature for drivers prioritizing responsive turns. The proprietary Pulse Groove water channel and improved water evacuation are intended to improve handling and braking on wet roads, so the tread design addresses more than dry-road use. The supplied feature text also claims a 20% shorter wet stopping distance, without a fully specified comparison in the excerpt. Its 275/40R20 extra-load size should be matched to the vehicle’s requirements.
- Wide shoulders increase stiffness for dynamic cornering
- Pulse Groove channel supports wet-road water evacuation
- Tread design targets wet-road handling and braking
- 275/40R20 extra-load specification
- The supplied specifications list no manufacturer warranty.
Skip it if you need a listed manufacturer warranty; the Atlas Force UHP specifies a 40,000-mile limited warranty.
This Firehawk is aimed at drivers seeking wet-road control and cornering features in a 275/40R20 extra-load summer tire. Its size and extra-load designation need to match the vehicle, and the supplied specifications list no warranty.
Full product details
| Brand | Firestone |
|---|---|
| Included Components | Tire |
| Item Dimensions | 28.66 x 10.94 x 28.66 inches |
| Item Weight | 32.2 pounds |
| Load Capacity | 2094 pounds |
| Manufacturer | Bridgestone |
| Part Number | 12921 |
| Manufacturer Warranty Description | No Warranty |
| Model Number | 12921 |
| Rim Size | 20 inches |
| Size | 275/40R20 |
Listed on Amazon as: Firestone Firehawk Indy 500 Ultra High Peformance Tire 275/40R20 106 W Extra Load
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#2 · Best Track-Street
2. GT Radial Champiro SX2
- Size: 225/45ZR17
- Rim Size: 17 in
- Weight: 25 lb
- Load Capacity: 16 oz
Best for: Track-and-street summer driving.
Why it ranks #2: This summer tire is positioned for track and street use, with large shoulder blocks, a silica compound, and a 225/45ZR17 fitment.
Extra-large shoulder blocks put more rubber on the road to support stability and grip when cornering, distinguishing the GT Radial Champiro SX2 for track-and-street use. Its asymmetric tread and silica compound are also specified for performance and wet-and-dry traction, in the 225/45ZR17 size for warmer-weather driving.
The asymmetric tread pattern is identified for track and street performance, while extra-large shoulder blocks increase stability and grip in corners by putting more rubber on the road. A silica compound adds wet- and dry-road traction, so the feature set is not limited to dry pavement. The wide center rib is listed to improve handling, traction, and braking. A gradient step reduces heat generation in the central ribs to promote longer tread life, addressing sustained-use wear considerations for performance-oriented coupes and sedans.
- Asymmetric pattern for track and street use
- Large shoulder blocks support cornering stability and grip
- Silica compound targets wet- and dry-road traction
- Gradient step reduces central-rib heat generation to promote tread life
- Specified for warmer-weather use, so it is not a cold-season tire.
Skip it if you regularly drive in consistently cold temperatures; the Firestone Firehawk Indy 500 is also a summer-performance tire.
This Champiro SX2 suits performance-coupe and sedan drivers seeking track-and-street features, wet-and-dry grip, and cornering stability. Its 225/45ZR17 size and warmer-weather role are the key fit and seasonal boundaries.
Full product details
| Brand | GT Radial |
|---|---|
| Included Components | Tire Only |
| Item Dimensions | 25 x 25 x 8.86 inches |
| Item Weight | 25 pounds |
| Load Capacity | 16 ounces |
| Manufacturer | GT Radial |
| Part Number | B611 |
| Manufacturer Warranty Description | Standard Manufacturer Warranty |
| Model Number | B611 |
| Rim Size | 17 inches |
| Size | 225/45ZR17 |
| Vehicle Tire ISO Metric Size Description | 225/45ZR17 |
Listed on Amazon as: GT Radial Champiro SX2 UHP Summer 225/45ZR17 91W Passenger Tire
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#3 · Longest Listed Tread Life
3. Lexani LXUHP-207
- Size: 235/40ZR18
- Rim Size: 18 in
- Weight: 23.2 lb
- Load Capacity: 1521 lb
Best for: Quiet performance-car summer drives.
Why it ranks #3: Its UHP design targets performance vehicles in warm weather, and the listed 50,000-mile limited tread-life warranty is notable among these choices.
Wide lateral grooves evacuate water from the tread, supporting hydroplaning resistance for performance-oriented drivers encountering summer rain. The Lexani LXUHP-207 pairs that wet-weather feature with a V-shaped pattern intended to improve traction and braking at higher speeds, while its specified 235/40ZR18 size identifies the tire’s fit dimensions.
The V-shaped tread pattern targets traction and braking at higher speeds, giving drivers a feature focused on brisk road use rather than a general-purpose tread. Wide lateral grooves move water out of the tread to support hydroplaning resistance in wet conditions. A computer-optimized design lowers road noise and vibration, a practical consideration for passengers on everyday drives. The 50,000-mile limited manufacturer tread-life backing also gives buyers a stated tread-life reference, though it does not determine actual service life.
- V-shaped tread pattern targets traction and braking at higher speeds
- Wide lateral grooves help evacuate water
- Computer-optimized design lowers noise and vibration
- 50,000-mile limited manufacturer tread-life backing
- Intended for warmer weather, so it is not a year-round tire for cold conditions.
Skip it if you need a tire for consistently cold temperatures; the Kenda Vezda UHP Summer KR20A is also specified for warmer weather.
A performance-car owner seeking a quieter summer tire with wet-weather grooves and a stated tread-life backing may find this a relevant option. Its 235/40ZR18 size and warm-weather role are important fit and seasonal boundaries.
Full product details
| Brand | Lexani |
|---|---|
| Included Components | Tire |
| Item Dimensions | 25.39 x 9.49 x 25.39 inches |
| Item Weight | 23.2 pounds |
| Load Capacity | 1521 pounds |
| Manufacturer | Lexani |
| Part Number | LXST2071840030 |
| Model Number | LXST2071840030 |
| Rim Size | 18 inches |
| Size | 235/40ZR18 |
| Vehicle Tire ISO Metric Size Description | 235/40ZR18 |
Listed on Amazon as: Lexani LXUHP-207 UHP 235/40ZR18 95W XL Passenger Tire
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#4
4. Lexani LX-Twenty
- Size: 225/35R19 XL
- Rim Size: 19 in
- Weight: 20.6 lb
- Load Capacity: 1235 lb
Best for: Quiet sporty 19-inch summer fit.
Why it ranks #4: This warm-weather performance tire combines an asymmetric tread with wet-road grooves and sipes, and lists a 55,000-mile limited tread-life warranty.
An asymmetric tread pattern gives the Lexani LX-Twenty its sporty-handling focus, while grooves and sipes help preserve traction and grip on wet roads. This 225/35R19 XL tire also pairs its performance orientation with construction features intended to reduce road noise and vibration, making it a summer option for drivers who value cabin comfort.
The asymmetric tread pattern supports sporty handling, while the listed grooves and sipes help with wet-road traction and grip; together, those features speak to drivers balancing responsive use with changing summer road conditions. Lexani says the optimized construction reduces noise and vibration, which can make routine driving more comfortable for occupants. Its 55,000-mile limited manufacturer tread-life backing is a useful stated reference. The 225/35R19 XL specification is the key fit detail to match against a vehicle’s requirements.
- Asymmetric tread pattern supports sporty handling
- Grooves and sipes boost wet-road traction and grip
- Optimized construction reduces noise and vibration
- 55,000-mile limited manufacturer tread-life backing
- Specified for warmer weather, so it does not suit consistently cold-season driving.
Skip it if you need a tire for consistently cold weather; the Firestone Firehawk Indy 500 is also identified as a summer-performance tire.
The LX-Twenty fits drivers seeking sporty handling, wet-road tread features, and a quieter ride in a warmer-weather tire. Choose it only when the vehicle calls for the listed 225/35R19 XL size.
Full product details
| Brand | Lexani |
|---|---|
| Included Components | Tire only |
| Item Dimensions | 26 x 9 x 26 inches |
| Item Weight | 20.6 pounds |
| Load Capacity | 1235 pounds |
| Manufacturer | LEXANI |
| Part Number | LXST201935020 |
| Manufacturer Warranty Description | Standard Manufacturer Warranty |
| Model Number | LXST201935020 |
| Rim Size | 19 inches |
| Size | 225/35R19 XL |
| Vehicle Tire ISO Metric Size Description | 225/35R19 |
Listed on Amazon as: Lexani LX-TWENTY Performance Radial Tire – 225/35R19 XL 88W
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#5 · Wide 18-Inch Fit
5. Kenda Vezda KR20A 265/35ZR18
- Size: P265/35ZR18
- Rim Size: 18 in
- Weight: 30 lb
- Load Capacity: 1433 lb
Best for: Summer performance in 265/35ZR18.
Why it ranks #5: The KR20A is explicitly a UHP summer tire for performance cars, with a specialized tread and a 265/35ZR18 size.
A specialized tread pattern is the Kenda Vezda UHP Summer KR20A’s central feature, intended to provide solid grip and consistent performance for performance-oriented cars in warmer weather. This P265/35ZR18 version is engineered for either front or rear axle use, giving buyers a stated placement option when matching tires to their vehicle.
Kenda specifies the tire for warmer-weather performance use and cautions against use when temperatures are consistently below 45 degrees Fahrenheit. That seasonal limit matters for owners deciding when to install or store a summer set. Its specialized tread pattern is intended to support solid grip and consistent performance, while the stated good-wear optimization addresses tread use over time. Because it is engineered for both front and rear axles, the listed application is not restricted to one axle position.
- Specialized tread pattern targets solid grip and consistent performance
- Specified for performance-oriented cars in warmer weather
- Optimized to provide good wear
- Engineered for both front and rear axles
- Kenda advises against use when temperatures are consistently below 45 degrees Fahrenheit.
Skip it if you drive in consistently cold temperatures; the Lexani LX-Twenty Performance Radial is also specified for warmer-weather use.
This size-specific KR20A suits a performance-car owner needing a P265/35ZR18 summer tire that can serve either axle. Its temperature guidance makes seasonal changeover essential when local conditions regularly fall below 45 degrees Fahrenheit.
Full product details
| Brand | Kenda |
|---|---|
| Included Components | Tire Only |
| Item Dimensions | 25 x 10 x 25 inches |
| Item Weight | 30 pounds |
| Load Capacity | 1433 pounds |
| Manufacturer | Kenda |
| Part Number | 20AX02 |
| Manufacturer Warranty Description | Standard Manufacturer Warranty |
| Model Number | 20AX02 |
| Rim Size | 18 inches |
| Size | P265/35ZR18 |
| Vehicle Tire ISO Metric Size Description | 265/35ZR18 |
Listed on Amazon as: Kenda Vezda UHP Summer (KR20A) Racing P265/35ZR18 93W Passenger Tire
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#6
6. Kenda Vezda KR20A 245/40ZR18
- Size: P245/40ZR18
- Rim Size: 18 in
- Weight: 30 lb
- Load Capacity: 16 oz
Best for: KR20A summer tire for 18-inch fit.
Why it ranks #6: This KR20A is designed for warm-weather performance-car use and offers a 245/40ZR18 XL fitment for vehicles requiring that size and load marking.
The KR20A’s specialized tread pattern is intended to deliver solid grip and consistent performance for performance-oriented cars in warmer conditions. This Kenda Vezda UHP Summer version is sized P245/40ZR18 and engineered for front or rear axle use, providing a clearly specified option for drivers whose vehicle calls for that fit.
Kenda identifies this tire for warmer-weather driving and specifically advises against use when temperatures are consistently below 45 degrees Fahrenheit, making seasonal timing a central ownership consideration. Its specialized tread pattern is intended to provide solid grip and consistent performance, while optimization for good wear speaks to ongoing tread use. The tire is engineered for both front and rear axles, so its stated application does not limit it to one position. Confirm that P245/40ZR18 matches the vehicle’s requirements.
- Specialized tread pattern targets solid grip
- Intended for consistent performance in warm-weather use
- Optimized to provide good wear
- Engineered for both front and rear axles
- Not recommended by Kenda when temperatures are consistently below 45 degrees Fahrenheit.
Skip it if you need year-round cold-weather use; the Atlas Force UHP lists wet- and dry-condition tread features for a different size.
This KR20A suits a performance-car owner seeking the P245/40ZR18 size for warm-season use on either axle. Its below-45-degree guidance is a firm seasonal boundary, and vehicle fit should match the listed specification.
Full product details
| Brand | Kenda |
|---|---|
| Included Components | Tire Only |
| Item Dimensions | 26 x 9.5 x 26 inches |
| Item Weight | 30 pounds |
| Load Capacity | 16 ounces |
| Manufacturer | Kenda |
| Part Number | 20A025 |
| Manufacturer Warranty Description | Standard Manufacturer Warranty |
| Model Number | 20A025 |
| Rim Size | 18 inches |
| Size | P245/40ZR18 |
| Vehicle Tire ISO Metric Size Description | 245/40ZR18 |
Listed on Amazon as: Kenda Vezda UHP Summer (KR20A) Racing P245/40ZR18 97W XL Passenger Tire
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#7
7. Kenda Vezda KR20A 215/45ZR17
- Size: P215/45ZR17
- Rim Size: 17 in
- Weight: 25 lb
- Load Capacity: 16 oz
Best for: Compact 17-inch KR20A summer fit.
Why it ranks #7: It is a purpose-listed UHP summer tire with a 17-inch rim fitment; Kenda advises against use when temperatures are consistently below 45°F.
The Kenda Vezda UHP Summer KR20A’s specialized tread pattern targets solid grip and consistent performance for performance-oriented cars in warm conditions. This P215/45ZR17 version is engineered for both front and rear axles, making the specified size and flexible axle application its clearest buying distinctions.
Kenda specifies the KR20A for warmer-weather performance and warns against using it when temperatures are consistently below 45 degrees Fahrenheit, so owners need to plan seasonal use. The specialized tread pattern is intended to provide solid grip and consistent performance, while the stated good-wear optimization addresses ongoing tread use. Its engineering for both front and rear axles offers a stated placement choice. The P215/45ZR17 size is the key fit detail to compare with vehicle requirements.
- Specialized tread pattern intended for solid grip
- Targets consistent performance in warm conditions
- Optimized to provide good wear
- Engineered for front and rear axle use
- Kenda says not to use it when temperatures are consistently below 45 degrees Fahrenheit.
Skip it if you need a tire for consistently cold weather; the GT Radial Champiro SX2 is another listed warmer-weather performance tire.
This P215/45ZR17 KR20A is for performance-car owners seeking a warm-season tire usable on either axle. The below-45-degree guidance makes cold-weather operation a boundary, and the listed size must suit the vehicle.
Full product details
| Brand | Kenda |
|---|---|
| Included Components | Tire Only |
| Item Dimensions | 24.6 x 8.3 x 24.6 inches |
| Item Weight | 25 pounds |
| Load Capacity | 16 ounces |
| Manufacturer | Kenda |
| Part Number | 20A019 |
| Manufacturer Warranty Description | Standard Manufacturer Warranty |
| Model Number | 20A019 |
| Rim Size | 17 inches |
| Size | P215/45ZR17 |
| Vehicle Tire ISO Metric Size Description | 215/45ZR17 |
Listed on Amazon as: Kenda Vezda UHP Summer (KR20A) Racing P215/45ZR17 87W Passenger Tire
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#8
8. Kenda Vezda KR20A 235/40ZR17
- Size: P235/40ZR17
- Rim Size: 17 in
- Weight: 25 lb
- Load Capacity: 16 oz
Best for: 17-inch KR20A for warm-weather cars.
Why it ranks #8: This KR20A offers an explicitly warm-weather performance design in a 235/40ZR17 fitment, with Kenda’s stated cold-temperature limitation.
Kenda’s specialized tread pattern is intended to give the Vezda UHP Summer KR20A solid grip and consistent performance on performance-oriented cars in warmer weather. This P235/40ZR17 version is engineered for use on either front or rear axles, offering a stated fit and placement detail for buyers.
The tire’s specialized tread pattern is identified as the source of its solid grip and consistent performance, giving the feature a direct road-use purpose. Kenda advises against use when temperatures are consistently below 45 degrees Fahrenheit, so owners need a seasonal plan rather than treating it as an all-weather option. Its engineering for either front or rear axle use broadens the stated placement application. Match the P235/40ZR17 specification to the vehicle before selecting this size.
- Specialized tread pattern targets solid grip
- Intended for consistent performance in warm conditions
- Optimized to provide good wear
- Engineered for both front and rear axles
- Not recommended for use when temperatures are consistently below 45 degrees Fahrenheit.
Skip it if you drive through consistently cold seasons; the Firestone Firehawk Indy 500 is also listed as a summer-performance tire.
The P235/40ZR17 KR20A suits performance-car owners seeking a warm-season tire for either axle. Its cold-temperature warning is a meaningful seasonal boundary, and the specified size should match the vehicle’s requirements.
Full product details
| Brand | Kenda |
|---|---|
| Included Components | Tire Only |
| Item Dimensions | 24.4 x 9.3 x 24.4 inches |
| Item Weight | 25 pounds |
| Load Capacity | 16 ounces |
| Manufacturer | Kenda |
| Part Number | 20A011 |
| Manufacturer Warranty Description | Standard Manufacturer Warranty |
| Model Number | 20A011 |
| Rim Size | 17 inches |
| Size | P235/40ZR17 |
| Vehicle Tire ISO Metric Size Description | P235/40ZR17 |
Listed on Amazon as: Kenda Vezda UHP Summer (KR20A) Racing P235/40ZR17 90W Passenger Tire
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#9
9. Atlas Force UHP
- Size: 275/40R20
- Rim Size: 20 in
- Weight: 44.1 lb
- Load Capacity: 2 lb
Best for: Wet-and-dry 20-inch performance use.
Why it ranks #9: Its dual-zone tread, 3D sipes, and reinforced shoulders target wet and dry UHP performance, but the listing does not identify it as a summer tire.
A dual-zone tread separates wet-weather traction features at the center from a dry-weather design at the edges, giving the Atlas Force UHP a clearly stated mixed-condition focus. Its 3D sipes and reinforced, extra-stiff shoulders add wet-road response and cornering features to this 275/40R20 XL tire.
The center’s wet-weather traction pattern works alongside the edge design for dry conditions, a layout intended to maintain performance across changing pavement. Three-dimensional sipes are listed for wet traction, steering response, and braking, while the reinforced, extra-stiff shoulders and sidewalls target cornering ability. An innovative groove pattern moves water away from the contact patch to resist hydroplaning. The 40,000-mile limited warranty is a stated ownership detail; the 275/40R20 specification remains the essential fit boundary.
- Dual-zone tread addresses wet and dry conditions
- 3D sipes target wet traction, steering, and braking
- Reinforced stiff shoulders and sidewalls support cornering
- 40,000-mile limited warranty
- The listing gives a 40,000-mile limited warranty, not a stated tread-life guarantee.
Skip it if you need a stated tread-life guarantee rather than a limited warranty; the Lexani LXUHP-207 lists a 50,000-mile tread-life backing.
The Atlas Force UHP suits drivers wanting wet-and-dry tread features and cornering support in a 275/40R20 tire. Its size must match the vehicle, and the listed 40,000-mile term is a limited warranty rather than a tread-life guarantee.
Full product details
| Brand | Atlas |
|---|---|
| Included Components | Tire Only |
| Item Dimensions | 28.7 x 10.9 x 28.7 inches |
| Item Weight | 44.1 pounds |
| Load Capacity | 2 pounds |
| Manufacturer | Atlas |
| Part Number | 221023295 |
| Manufacturer Warranty Description | 40,000 Mile Limited Warranty |
| Model Number | 221023295 |
| Rim Size | 20 inches |
| Size | 275/40R20 |
| Vehicle Tire ISO Metric Size Description | 275/40R20 |
Listed on Amazon as: 275/40R20 ATLAS FORCE UHP 106Y XL 520AA40K
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#10
10. Part Synergy Kenda KR20A
- Size: 275/35R18
- Rim Size: 18 in
- Weight: 35.4 lb
- Load Capacity: 1521 lb
Best for: Wide 275 summer-tire application.
Why it ranks #10: It identifies a KR20A 275/35R18 tire, but its listing mixes summer performance fitment with claims about snow traction and a 30-day return window.
An asymmetric tread design is the defining feature of this 275/35R18 Kenda KR20A listing, with steering response and stability identified as its intended benefits. The product also describes a comfort-focused ride and a tread compound associated with wear and snow traction, making its listed claims broader than a simple summer-performance description.
The asymmetric tread design is said to support steering response and stability, practical priorities for drivers using a performance-oriented tire. The description also calls out maximum ride comfort, which may matter on routine road journeys as well as spirited drives. Its stated tread compound is associated with tread wear and improved snow traction, while the listing mentions balanced performance for snowy and wet weather. This tire is identified as fitting VEZDA UHP KR20A, and the listed 275/35R18 size is the fit reference.
- Asymmetric tread design targets steering response and stability
- Description identifies a comfort-focused ride
- Tread compound is described as supporting tread wear
- Listing identifies wet- and snowy-weather performance
- The listing provides no mileage tread-life figure for this tire.
Skip it if you need a stated mileage tread-life backing; the Lexani LX-Twenty Performance Radial lists a 55,000-mile limited tread-life backing.
Consider this listing if your vehicle calls for 275/35R18 and you value the stated steering, stability, and comfort features. Check the vehicle’s required fit and consider that the supplied listing gives no mileage tread-life figure.
Full product details
| Brand | Part Synergy |
|---|---|
| Included Components | Tire |
| Item Weight | 35.4 pounds |
| Load Capacity | 1521 pounds |
| Manufacturer | Kenda Tires |
| Part Number | 20AX04 |
| Manufacturer Warranty Description | 30 Days Return Accepted |
| Model Number | 20AX04 |
| Rim Size | 18 inches |
| Size | 275/35R18 |
| Vehicle Tire ISO Metric Size Description | 275/35R18 |
Listed on Amazon as: Tire 275/35R18 95W fits VEZDA UHP KR20A Kenda20Ax04 Ultra High Performance Summer Passenger 300AA Black Side Wall
View on AmazonThe cold-weather limitation is a real trade-off
UHP summer tires can lose suitability when temperatures turn cold, so treat season and temperature as a purchase constraint, not just a tread preference. Kenda explicitly says its Vezda KR20A should not be used when temperatures are consistently below 45°F. The other listings describe warm-weather or summer use, but do not provide a different cold-weather threshold.
That matters for drivers who leave one tire set on the car through changing seasons: a tire selected for summer grip may be the wrong choice for cold commutes, even if the pavement is dry. Plan a seasonal changeover or choose a tire type intended for the temperatures you regularly encounter.
Do not interpret tread-life figures as evidence of winter suitability. The product data also does not provide comparative stopping-distance tests across these models, so the listed wet-road features should not be treated as a substitute for cold-weather capability.
Match the full tire marking, not just rim diameter
A matching rim diameter alone does not confirm that a tire fits your vehicle. The options here span 17-, 18-, 19-, and 20-inch rims, but also differ in width, aspect ratio, load marking, and XL designation. For example, the Firestone is 275/40R20 with a 106 W extra-load marking, while the GT Radial is 225/45ZR17 91W; those are not interchangeable simply because both are performance tires.
Several Kenda listings share the KR20A name but have different sizes, including 215/45ZR17, 235/40ZR17, 245/40ZR18, and 265/35ZR18. Use the vehicle placard or owner’s manual to verify the complete approved size and load requirements before ordering.
Do not rely on a product title’s broad vehicle description or assume that an alternate size will clear the bodywork or match the vehicle’s specified handling.
How to Choose a UHP Summer Tire
Tire size and vehicle fit
Start with the complete tire size specified for your vehicle, not a broad match by rim diameter. This selection covers 17-inch options such as 225/45ZR17 and 235/40ZR17, 18-inch options from 235/40ZR18 to 275/35R18, a 19-inch 225/35R19, and a 20-inch 275/40R20. The aspect ratio and width vary along with the rim size, so these listings are not substitutes for one another.
A driver replacing an existing tire should match the approved size on the vehicle placard or in the owner’s manual. The variety helps shoppers seeking a particular fitment, but the exact original-equipment size should take priority over a tire’s rank or tread description.
Load and speed markings
Look for a load index and speed marking that meet your vehicle’s requirements, and confirm whether an XL tire is required. The listings include, for example, 91W for the GT Radial Champiro SX2, 95W XL for the Lexani LXUHP-207, 106 W extra load for the Firestone, and 106Y XL for the Atlas. These values are not the same, and an XL label appears on some options but not all.
Choose only a tire meeting the vehicle maker’s minimum specification; do not downgrade based on a different model’s lower listed marking. The higher-marked options may suit vehicles whose placard calls for them, while standard markings may be appropriate only where the vehicle specifies them.
Confirm fitment with the vehicle documentation before buying.
Tread design and stated use
Choose a tread description that fits how you drive, while remembering that listing features are not independent comparative test results. The GT Radial Champiro SX2 is described for track and street use and has large shoulder blocks; the Firestone highlights water evacuation and a Pulse Groove channel; and the Lexani LX-Twenty uses an asymmetric pattern with grooves and sipes. Kenda describes the KR20A as a specialized-tread UHP summer tire for performance cars, with a warning about consistently sub-45°F temperatures.
Drivers who prioritize the listing’s wet-road features may favor Firestone or Lexani; those seeking an explicitly track-and-street-oriented description may prefer GT Radial. For cold conditions, none of these product descriptions makes a summer tire a winter substitute.
Which UHP summer tire should I choose?
Choose the Firestone Firehawk Indy 500 if your vehicle calls for its 275/40R20 106 W extra-load size and you want the listed wet-road water-channel features. For a 17-inch fitment described for track and street, consider the GT Radial Champiro SX2, but verify its 225/45ZR17 size and 91W marking suit your car. Drivers who want a stated tread-life warranty can compare the Lexani LXUHP-207’s 50,000-mile limited warranty with the Lexani LX-Twenty’s 55,000-mile limited warranty, while checking their respective sizes.
Choose among the Kenda Vezda KR20A listings by matching the exact size your vehicle requires; the design is shared, but the fitments differ. Avoid choosing on model name alone, and do not rely on a summer tire for consistently cold weather.
Frequently Asked Questions
Can UHP summer tires be driven in rain?
Yes, but wet-road behavior varies by tire, and rain calls for careful driving. The Firestone Firehawk Indy 500 listing identifies water-evacuation features, including a Pulse Groove water channel. Do not assume every tire in this roundup has those features; check the specific product information and adjust speed for conditions.
When should I switch from summer tires to all-season or winter tires?
Switch when your local conditions are consistently cold or when you need a tire suited to cold-weather driving. The editorial guidance here is not to rely on a summer tire in consistently cold weather. Check seasonal conditions and your vehicle’s requirements when deciding which tire type to use.
How do I confirm a tire’s size and load rating will fit my car?
Compare the full size and load rating on the tire with the requirements in your vehicle’s owner’s manual or tire-information placard. Also check the required speed rating and fitment details. If anything differs or is unclear, ask a qualified tire professional before ordering or installing the tire.
Which listed tires have a stated tread-life warranty?
The Lexani LXUHP-207 lists a 50,000-mile limited warranty, and the Lexani LX-Twenty lists a 55,000-mile limited warranty. Compare each warranty alongside the tire’s size and fitment, and review the product’s warranty terms to understand what is covered rather than choosing by the mileage figure alone.
How should I choose between the Kenda Vezda KR20A listings?
Match the exact size and load marking your vehicle requires; the listings share the KR20A design but specify different fitments. The available sizes include 265/35ZR18, 245/40ZR18, 215/45ZR17, and 235/40ZR17, as well as a separate 275/35R18 listing. Verify the required fitment before selecting one.
Final Words
Start with your vehicle’s required tire size and load rating; the Firestone Firehawk Indy 500 is the lead choice only when its 275/40R20 106 W extra-load fitment is correct. For a suitable 17-inch track-and-street fitment, consider the GT Radial Champiro SX2. Compare the Lexani warranty listings if tread-life coverage matters, and choose among Kenda options by exact fitment.
Avoid relying on summer tires in consistently cold weather.

