Best Spark Plugs For Gmc Acadia: Compare Fit and Plug Types

#1 · Best Overall

1. Sixity NGK Laser Iridium

• Core Material: Iridium
• Compatible with Vehicle Type: Car, Truck
• Thread Size: 14mm (5/16 inch)

Best for: Laser-iridium V6 six-pack.

Why it ranks #1: This six-plug set is listed for the Acadia 3.6L V6 across a broad model range and is described as genuine NGK direct-replacement plugs.

NGK Laser Iridium construction and a six-plug quantity headline this set for GMC Acadia 3.6L V6 models listed from 2007 through 2016. The product is identified as a direct replacement with original packaging and hardware, giving owners a complete quantity and supplied components for a planned plug change.

The stated year and 3.6L V6 compatibility make the set relevant to owners within that Acadia application, while six plugs match the engine’s six-cylinder designation for a full-set replacement. Iridium is listed as the core material, and the supplied specifications give a 14 mm thread and 0.04-inch gap. NGK parts, original packaging, and hardware are identified in the listing. Confirm the exact application details before starting installation.

Skip it if you own a 2017–2020 Acadia with the 2.5L L4; Sixity Auto’s four-plug NGK Iridium IX listing names that application.

Choose this set if your Acadia matches the listed 2007–2016 3.6L V6 application and you want six NGK Laser Iridium plugs. It does not list other Acadia engines or years, making exact engine-year matching essential.

Listed on Amazon as: 6 pc NGK Laser Iridium Spark Plugs for GMC Acadia 3.6L V6 2007-16

#2 · Iridium IX Set

2. Sixity NGK Iridium IX

• Core Material: Iridium
• Compatible with Vehicle Type: Car, Truck
• Thread Size: Regular Mouth

Best for: 2007–2016 3.6L V6 owners.

Why it ranks #2: The Acadia-specific six-pack covers the listed 3.6L V6 applications and provides NGK Iridium IX plugs with a stated 0.04-inch gap.

A six-plug NGK Iridium IX set lists compatibility with GMC Acadia 3.6L V6 models from 2007 through 2016, giving owners a matched quantity for a six-cylinder replacement. Its iridium construction and stated 0.04-inch gap provide concrete specifications to compare against the vehicle’s required plug.

The listed 3.6L V6 and model-year range make this set relevant to Acadia owners within that application, while the six-piece count supplies a full set when all six plugs are due. Iridium core and top materials distinguish the plug construction, and the 0.04-inch gap is a useful installation reference. The listing identifies these as genuine NGK parts and direct-replacement auto parts; check the exact application before beginning work.

Skip it if you own a 2017–2020 2.5L Acadia; Sixity Auto’s NGK Iridium IX four-plug set lists that engine and year range.

This set suits owners replacing plugs on a listed 2007–2016 Acadia 3.6L V6 and wanting six NGK iridium plugs together. Its application does not cover every Acadia engine or model year, so match the engine and year first.

Listed on Amazon as: 6 pc NGK Iridium IX Spark Plugs compatible with GMC Acadia 3.6L V6 2007-16

#3 · Denali Fitment

3. NGK Iridium IX LTR6IX-11

• Core Material: Copper
• Thread Size: 14 millimeters

Best for: Denali 3.6L V6 six-pack.

Why it ranks #3: This six-pack specifies Acadia Denali with a 3.6L V6, offering a clearly defined fitment for buyers whose trim and engine match.

NGK specifies this six-pack for GMC Acadia Denali 3.6L applications from 2011 through 2014, with a fine-wire iridium center electrode intended to produce a consistently stable spark. The six-piece quantity suits a full V6 plug change, while the listing identifies the engine family as GM V6.

The specified Denali years and 3.6L engine narrow the application to a defined Acadia subset, helping owners avoid treating it as a universal Acadia plug. NGK’s fine-wire iridium center electrode is described as supporting durability and a stable spark, relevant to consistent ignition operation. The package contains six plugs and lists a 14 mm thread. The stated fit is specifically Denali 2011–2014, so other trims, engines, and years are outside the supplied application details.

Skip it if you have a 2007–2010 Acadia 3.6L; Sixity Auto’s NGK Iridium IX six-pack lists those earlier model years.

A good match to consider for owners of a 2011–2014 Acadia Denali 3.6L needing six plugs and seeking NGK fine-wire iridium construction. Its explicit application is narrower than the full Acadia range, so trim and year matter.

Listed on Amazon as: NGK Iridium IX Spark Plug LTR6IX-11 (6 Pack) for GMC ACADIA DENALI 2011-2014 3.6L/222

#4 · Platinum Alternative

4. Sixity Champion Platinum

• Core Material: Platinum
• Compatible with Vehicle Type: Car, Truck
• Thread Size: 14mm

Best for: Platinum six-plug replacement.

Why it ranks #4: The six-pack is listed for Acadia 3.6L V6 applications and identifies Champion platinum plugs with a stated 0.04-inch gap.

A six-plug Champion Platinum set specifies GMC Acadia 3.6L V6 compatibility from 2007 through 2016, a useful match for owners changing all six plugs together. Platinum core material, a 14 mm thread, and a listed 0.04-inch gap give buyers specific construction and installation details to compare.

The six-piece quantity can cover a complete plug change on the listed V6 application, rather than requiring individual plugs. Champion identifies the plugs as genuine parts and describes durable precious-metal construction; the platinum core is the stated material. A 14 mm thread and 0.04-inch listed gap offer concrete checks during parts selection, while the accompanying fit details also give a 0.043-inch gap for listed vehicle entries, so verify the correct application specification.

Skip it if you want an iridium plug rather than platinum; the Sixity Auto NGK Iridium IX six-pack lists the same Acadia V6 year range.

Choose this set if your Acadia is within the listed 2007–2016 3.6L V6 range and you prefer Champion platinum plugs in a six-piece quantity. The differing listed gap figures make application-specific verification important before installation.

Listed on Amazon as: 6 pc Champion Platinum Spark Plugs for GMC Acadia 3.6L V6 2007-16

#5 · Four-Plug Fitment

5. Sixity NGK Iridium IX 2.5L

Best for: 2017–2020 2.5L L4 owners.

Why it ranks #5: This four-plug set is specifically listed for Acadia 2.5L L4 applications, distinguishing it from the six-plug V6 choices.

This four-pack specifically lists GMC Acadia 2.5L L4 models from 2017 through 2020, separating it from the many 3.6L V6 options in this roundup. It is identified as a genuine NGK Iridium IX direct-replacement set, with original packaging and hardware included.

The listed 2.5L L4 engine and 2017–2020 year range give owners a clearly bounded application to compare with their vehicle, and the four-plug quantity corresponds to the stated four-cylinder engine. NGK Iridium IX identifies the plug type, while the listing calls the parts genuine NGK and direct replacements. Original packaging and hardware are included. The supplied facts do not provide a thread size or gap measurement, so those details cannot be compared here.

Skip it if you have a 3.6L V6 Acadia; Sixity Auto’s NGK Iridium IX six-pack lists 2007–2016 models with that engine.

This set suits owners whose Acadia matches the listed 2017–2020 2.5L L4 application and who need four NGK Iridium IX plugs. It is not the listed choice for the 3.6L V6, and thread and gap details are not supplied.

Listed on Amazon as: 4 pc NGK Iridium IX Spark Plugs compatible with GMC Acadia 2.5L L4 2017-20

#6

6. KacuYelin UF569 Coil Set

• Compatible with Vehicle Type: Car

Best for: Coil-and-plug replacement set.

Why it ranks #6: The package includes six ignition coils and six spark plugs and names Acadia among compatible vehicles, though its fitment listing spans many models.

This KacuYelin kit combines six ignition coils with six iridium spark plugs, making it the broadest replacement bundle here for buyers addressing both components together. Its fitment list names GMC Acadia and several other 3.0L and 3.6L V6 applications, while the listing specifies coil-pack installation.

Having six coils and six plugs in one kit can support a combined ignition-component service rather than sourcing the two component types separately. The stated GMC Acadia compatibility appears alongside Terrain and multiple Chevrolet, Buick, Cadillac, and Saturn models, with 3.0L and 3.6L V6 applications named in the title. Because the broad fitment list spans vehicles and engines, use the supplied compatibility navigation before installation. The manufacturer lists a 90-day warranty period.

Skip it if you need only spark plugs and already have working coils; Sixity Auto’s NGK Iridium IX six-pack lists Acadia 3.6L V6 compatibility.

This kit fits buyers planning a combined coil-and-plug service on a listed compatible vehicle, including certain Acadia V6 applications. Its broad model list makes exact engine and vehicle matching especially important before replacing components.

Listed on Amazon as: UF569 Ignition Coil Pack & Iridium Spark Plugs Compatible with GMC Acadia Terrain Chevy Traverse Equinox Buick Enclave Cadillac CTS Pontiac Saturn 3.0L 3.6L V6 2007-2019 Coil Pack Sets of 6

#7

7. ACDelco 41-109 Iridium

• Core Material: Iridium
• Compatible with Vehicle Type: Car
• Thread Size: M14x1.25

Best for: GM-original single-plug choice.

Why it ranks #7: This GM Original Equipment iridium plug lists a seven-year, unlimited-mile parts warranty, but the supplied details do not specify Acadia fitment.

ACDelco’s fine-wire iridium electrode is described as helping burn away carbon deposits as they form, adding a maintenance-related feature to this GM Original Equipment plug. Its claims also connect the design with stable idle, cold starting, and quick acceleration, while the listing identifies a 14 mm thread.

The fine-wire iridium electrode supports the listed benefits of reliable cold starting and quick acceleration, while its deposit-burning action may help keep the tip cleaner during operation. A one-piece suppressor seal is specified to block radio-frequency interference that can affect vehicle electronics, meter spark energy, and help prevent combustion leakage. The product is a single spark plug with an M14x1.25 thread; the supplied information does not identify Acadia year or engine fitment.

Skip it if you need a listing that names Acadia 3.6L V6 compatibility; Sixity Auto’s NGK Iridium IX six-pack specifies 2007–2016 models.

This is for buyers seeking an ACDelco GM Original Equipment iridium plug with a suppressor seal and fine-wire electrode. Treat it as a single-plug option, and establish engine and vehicle compatibility before choosing it for an Acadia.

Listed on Amazon as: ACDelco GM Original Equipment 41-109 (12681660) Iridium Spark Plug

#8

8. ACDelco 41-108 Iridium

• Core Material: Iridium
• Compatible with Vehicle Type: Car
• Thread Size: 0.551 in

Best for: ACDelco iridium plug features.

Why it ranks #8: The GM Original Equipment iridium plug describes fine-wire electrode features, but the supplied listing does not identify an Acadia engine application.

The fine-wire iridium electrode in this ACDelco GM Original Equipment plug is described as burning away carbon deposits as they form, a practical feature for maintaining the electrode tip. A suppressor seal also addresses radio-frequency interference, while the listing connects the design with idle stability and cold starting.

ACDelco links the fine-wire electrode to reliable cold starting and quick acceleration, and its deposit-burning action is intended to address buildup at the tip. The one-piece suppressor seal is described as blocking radio frequencies that may affect vehicle electronics, metering spark energy, and helping prevent combustion leakage. Nickel is listed as the top material, with a 0.551-inch thread specification. The supplied facts identify no Acadia engine or year fitment.

Skip it if you need a clearly listed Acadia 3.6L V6 application; Sixity Auto’s NGK Laser Iridium six-pack names 2007–2016 models.

This plug may suit buyers looking specifically for ACDelco GM Original Equipment features such as the fine-wire electrode and suppressor seal. Since Acadia fitment is not stated in the supplied facts, establish vehicle compatibility before ordering.

Listed on Amazon as: ACDelco GM Original Equipment 41-108 (12681658) Iridium Spark Plug

#9

9. ACDelco 41-114 Iridium

• Core Material: Iridium
• Compatible with Vehicle Type: Car
• Thread Size: 16mm

Best for: Single GM-original iridium plug.

Why it ranks #9: This single GM Original Equipment iridium plug includes a stated parts warranty, but the supplied product details do not confirm Acadia compatibility.

A one-piece suppressor seal gives this ACDelco GM Original Equipment iridium plug a specific electronics-related function: the listing says it helps block radio frequencies that can affect vehicle electronics. Its fine-wire electrode is also described as supporting cold starting and quick acceleration.

The fine-wire iridium electrode is associated in the listing with stable idle, smooth performance, reliable cold starting, and quick acceleration; its deposit-burning feature may help keep the tip clearer as deposits form. The one-piece suppressor seal is described as metering spark energy, supporting electrode life, and helping prevent combustion leakage. This is a single plug with a 16 mm thread, and the supplied product facts do not state Acadia fitment or engine application.

Skip it if you need a stated Acadia V6 application and six plugs together; Sixity Auto’s NGK Iridium IX six-pack lists 2007–2016 3.6L models.

Consider this single plug if its ACDelco construction and suppressor-seal features suit your repair needs. It is not presented as an Acadia-specific fitment, and its one-piece quantity means a multi-plug service requires additional plugs.

Listed on Amazon as: ACDelco GM Original Equipment 41-114 (12622441) Iridium Spark Plug (Pack of 1)

#10

10. ACDelco 41-130 Iridium

• Core Material: Iridium
• Compatible with Vehicle Type: Motorcycle
• Thread Size: RM

Best for: ACDelco iridium plug with caveat.

Why it ranks #10: The supplied specifications list compatible vehicle type as motorcycle rather than car, so this is the weakest match for an Acadia search.

ACDelco’s fine-wire iridium electrode is described as supporting stable idle, reliable cold starting, and quick acceleration, while a suppressor seal addresses radio-frequency interference and combustion leakage. Those features distinguish this GM Original Equipment plug, but the supplied vehicle-type specification says motorcycle rather than car.

The stated electrode features connect the iridium design with cold-starting and acceleration behavior, and the listing says its fine wire helps burn away carbon deposits as they form. A one-piece suppressor seal is described as metering spark energy, helping prevent combustion leakage, and blocking radio frequencies that can affect electronics. The product is ACDelco GM Original Equipment and has an RM thread designation. However, the supplied compatible-vehicle-type field says motorcycle, not car.

Skip it if you need a plug explicitly listed for an Acadia; Sixity Auto’s NGK Iridium IX six-pack names 2007–2016 3.6L V6 models.

This is relevant to buyers evaluating the listed ACDelco electrode and suppressor-seal features, but the motorcycle vehicle-type specification is a material boundary. Do not treat it as an Acadia recommendation without confirming the exact application.

Listed on Amazon as: ACDelco GM Original Equipment 41-130 (12646780) Iridium Spark Plug