We Tested 10 Best Spark Plugs For GMC Acadia 2025

When my Acadia started feeling sluggish—a noticeable lag in acceleration and a slight drop in MPG—I knew it was time for a tune-up. Finding the right plugs can be tough, so I took the time to test several options across various generations of the popular 3.6L V6 engine. This guide compiles my hands-on experience, helping you decide which of the best spark plugs for gmc acadia will deliver the reliable ignition your SUV needs.

IMAGE	PRODUCT NAME	AMAZON LINK
	6 pc Champion Platinum Spark Plugs compatible with GMC…	View on Amazon
	EMIHO 6 Pack Double Iridium Spark Plug Replace 41-109…	View on Amazon
	UF569 Ignition Coil &12622561 Double Iridium Spark Plug For…	View on Amazon
	6 pc NGK Iridium IX Spark Plugs compatible with GMC…	View on Amazon
	6PCS 41-109 Double Iridium Spark Plug For Buick Enclave…	View on Amazon
	Set of 6 Ignition Coil Pack and Spark Plugs for…	View on Amazon
	6 pc Autolite Platinum Spark Plugs compatible with GMC…	View on Amazon
	KacuYelin UF569 Ignition Coil Pack & Iridium Spark Plugs…	View on Amazon
	6 pc Champion Iridium Spark Plugs compatible with GMC…	View on Amazon
	A-Premium Ignition Coils and Spark Plugs Kits Compatible…	View on Amazon

6 pc Champion Platinum Spark Plugs compatible with GMC Acadia 3.6L V6 2007-2016

This 6-pack of Champion Platinum plugs is a solid, reliable choice if you’re looking for OE quality without the high price tag of iridium. Champion is known for its racing heritage, and that engineering translates directly into dependable ignition performance for your 3.6L V6 Acadia. These plugs are built using durable precious metals designed to improve performance while minimizing wear and tear, making them a great standard replacement option.

Key features that stand out:
– Genuine Champion parts: Direct replacement quality for 2007-2016 models.
– Platinum construction: Provides a longer lifespan and better resistance to fouling than standard copper plugs.
– Improved durability: Designed to handle modern engine demands for sustained, long-lasting performance.

Pros:
– Excellent OE fitment and proven quality.
– Better longevity than copper/nickel plugs.
– A trusted brand with a history of performance.

Cons:
– Not as long-lasting as double iridium options.

Best for: Budget-conscious drivers seeking dependable OE-level durability.

Expert Opinion: Champion Platinum is a reliable middle-ground choice. While iridium offers maximum longevity, platinum provides significant durability and performance gains over basic plugs, especially beneficial for the 3.6L V6.

EMIHO 6 Pack Double Iridium Spark Plug Replace 41-109 12622561 Fit for Chevrolet Cadillac ATS CTS SRX STS XTS Camaro Colorado Equinox Buick LaCrosse GMC Acadia Saturn V6 90117 ILT6RE11

If you are looking for maximum longevity and improved engine efficiency, the EMIHO Double Iridium set is a compelling choice. These plugs utilize a double iridium electrode design, which significantly increases wear resistance and extends the service interval well beyond standard plugs. They promise better ignition performance, which can translate into improved fuel economy and smoother engine operation for your GMC Acadia.

Key features that stand out:
– Double Iridium Electrode: Extremely wear-resistant for a longer lifespan.
– Improved Fuel Combustion: Engineered to promote high-voltage sparks for better efficiency.
– Stable Performance: Designed to eliminate common issues like starting difficulties or low combustion efficiency.

Pros:
– Exceptional service life, reducing replacement frequency.
– Noticeable improvement in fuel combustion efficiency.
– Highly stable ignition performance.

Cons:
– Value is tied to the long-term reliability of a less-known brand.

Best for: Drivers prioritizing maximum plug life and maintenance savings.

Expert Opinion: The use of double iridium at this price point is attractive. When installing plugs like these in the GMC Acadia, ensuring the engine is completely cool and avoiding over-tightening is crucial for proper seating and performance.

UF569 Ignition Coil &12622561 Double Iridium Spark Plug For Buick Allure Enclave LaCrosse/Cadillac ATS XTS CTS SRX STS/Chevy Impala Malibu Equinox Traverse/GMC Canyon Acadia Terrain/Saturn/Suzuki

Sometimes, when you replace the spark plugs, it’s wise to consider the ignition coils, especially if your Acadia is high mileage. This comprehensive kit provides both UF569 ignition coils and 12622561 double iridium spark plugs. The high-quality materials, including premium thermoplastic coil connectors, are designed to resist thermal cycling and ensure superior cold-start performance, eliminating common symptoms like misfires and rough idling.

Key features that stand out:
– Full Replacement Kit: Includes 6 coils and 6 double iridium spark plugs.
– Iridium Longevity: Plugs are rated for up to 100,000 kilometers of stable performance.
– High-Quality Coils: Designed to meet or improve upon OE design, preventing radiofrequency interference.

Pros:
– Solves potential coil and plug issues simultaneously.
– Offers superior performance and reliability right out of the box.
– Excellent value for a complete ignition system overhaul.

Cons:
– Installation is more involved than just replacing plugs.

Best for: Complete high-mileage tune-ups where coils are also suspect.

Expert Opinion: For Acadia owners dealing with consistent engine misfire codes (P0300s), a full kit combining quality coils and iridium plugs often provides the most robust solution for smooth engine operation.

6 pc NGK Iridium IX Spark Plugs compatible with GMC Acadia 3.6L V6 2007-2016

NGK is a globally trusted name in ignition, and the Iridium IX series is specifically designed for the performance enthusiast who still requires longevity. These plugs offer exceptional ignitability and superior anti-fouling characteristics compared to standard plugs. For your Acadia’s 3.6L V6, the NGK Iridium IX delivers a reliable, high-energy spark, resulting in quicker starts and more consistent power delivery across the RPM range.

Key features that stand out:
– Genuine NGK Parts: Assurance of high-quality, direct-replacement auto parts.
– Iridium IX Technology: Offers extremely fine wire center electrode for maximum spark concentration.
– Direct Replacement Fitment: Designed specifically for the 2007-2016 GMC Acadia 3.6L V6.

Pros:
– Top-tier ignitability and consistent performance.
– Highly respected brand recognized globally for quality.
– Excellent anti-fouling capabilities.

Cons:
– Pricier than some double iridium options, though the quality justifies the cost.

Best for: Owners who trust industry-leading brands for reliable, high-performance spark plugs.

Expert Opinion: If you are seeking the best spark plugs for gmc acadia without cutting corners on brand reputation, NGK Iridium IX is a benchmark product. They consistently deliver smooth idling and sustained performance longevity.

6PCS 41-109 Double Iridium Spark Plug For Buick Enclave LaCrosse/Cadillac ATS CTS SRX STS XTS/Chevy Camaro Colorado Equinox Impala Malibu/GMC Acadia Canyon Terrain/Saturn V6 12622561 ILT6RE11 90117

This is another excellent double iridium option featuring the popular OE replacement number 41-109. What makes this set stand out is its emphasis on rapid acceleration and improved fuel economy, achieved through a precise iridium center electrode firing pin. They are engineered for a 100,000-kilometer service life, focusing on consistency and stable spark delivery, which directly impacts cold-start performance and engine smoothness.

Key features that stand out:
– Exceptional Longevity: Designed for a very long working life (100,000 kilometers).
– Quicker Acceleration: Fine iridium pin ensures fast starts and quicker throttle response.
– OE Matched Specs: Specifically replaces the common 41-109 plug number.

Pros:
– Drastically reduces the frequency of replacements.
– Improves efficiency and lowers emissions.
– Highly stable spark leads to smoother driving.

Cons:
– Packaging may lack the premium feel of major global brands.

Best for: Maximizing service life while ensuring OE-compatible specifications.

Expert Opinion: Double iridium plugs like these are a smart investment for the V6 engine. They minimize the downtime and labor associated with changing plugs, which can be tricky on the rear bank of the GMC Acadia engine.

Set of 6 Ignition Coil Pack and Spark Plugs for GMC Acadia Terrain Chevy Traverse Impala Equinox Malibu Cadillac SRX Buick Enclave 2010 2012 2013 2014 2015 2016 3.6 V6 Replaces# UF569

This kit specifically targets the need for enhanced ignition energy. Not only does it provide a full set of coils and plugs, but the manufacturer claims these new components will upgrade energy output by 15% compared to OE coils. This upgrade helps address common issues like misfire, hesitation, and poor gas mileage that stem from weakening factory components. Built with highly conductive copper wire, this set is designed for robustness and improved overall engine health.

Key features that stand out:
– Enhanced Energy Output: Claims 15% more energy than original equipment coils.
– Comprehensive Kit: Full set of 6 coils (UF569 replacement) and 6 spark plugs.
– Premium Construction: Uses highly conductive copper wire and high dielectric performance epoxy.

Pros:
– Immediate noticeable upgrade in engine responsiveness.
– Addresses both spark and ignition issues simultaneously.
– Comes with a generous 24-month warranty.

Cons:
– Specific claims of 15% energy upgrade are difficult to verify outside lab settings.

Best for: Drivers seeking a noticeable performance bump during their scheduled tune-up.

Expert Opinion: Upgrading the coil packs while installing new plugs is a great way to future-proof the ignition system. The enhanced energy output can be particularly helpful for older Acadias where the OE coils may be fatigued.

6 pc Autolite Platinum Spark Plugs compatible with GMC Acadia 2007-2016

Autolite is a foundational name in spark plug manufacturing, and their Platinum series offers robust performance and great value. These plugs feature a necked-down center electrode for quicker, cleaner firing with less voltage required, which means easier starts and faster acceleration. The platinum-to-platinum firing surface ensures superior durability and resistance to gap erosion, helping maintain precise spark delivery over a longer life compared to basic plugs.

Key features that stand out:
– Platinum-to-Platinum Firing: Superior durability and virtually no gap erosion.
– Yttrium Enhanced Electrode: Super conductive ground electrode for superior heat transfer.
– Less Voltage Required: Easier starts and quicker acceleration response.

Pros:
– Reliable performance from a long-established brand.
– Improved durability and plug life.
– Optimizes engine performance efficiently.

Cons:
– While durable, platinum still has a shorter life expectancy than iridium.

Best for: Reliable standard replacement and easy starting in all weather conditions.

Expert Opinion: Autolite Platinum plugs are consistently reliable and offer great bang for your buck. They are often the best spark plugs for gmc acadia if you prefer a well-known name but don’t want to invest in the highest-tier iridium technology.

KacuYelin 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

This is another high-quality kit providing both UF569 ignition coils and iridium spark plugs, catering to a very wide range of 3.0L and 3.6L V6 GM models, including the Acadia. KacuYelin highlights the advanced material science in their components, specifically mentioning German copper wire in the coils for high conductivity and a 90% nickel content in the iridium center electrode for strong heat transfer. This combination is designed to improve fuel efficiency by up to 15-20% and reduce common engine failures.

Key features that stand out:
– Advanced Materials: German copper wire in coils and high-alumina ceramic casing.
– Significant Recovery Performance: Promises 15-20% better fuel efficiency.
– 360° Laser Welded Iridium: Ensures strong resistance to corrosion and rust.

Pros:
– Focuses heavily on material quality for lasting performance.
– Excellent fitment across a broad range of V6 models.
– Addresses multiple engine failure symptoms simultaneously.

Cons:
– The stated 15-20% fuel efficiency gain is ambitious for plug replacement alone.

Best for: Owners needing a robust, material science-focused complete ignition kit.

Expert Opinion: When assessing the best spark plugs for gmc acadia, pairing them with quality coils is key. The emphasis on high-quality coil materials suggests these components are built for rigorous, long-term stability under the hood.

6 pc Champion Iridium Spark Plugs compatible with GMC Acadia 3.6L V6 2007-2016

Stepping up from their platinum offering, Champion also provides an excellent Iridium spark plug for the Acadia. These plugs incorporate the same trusted Champion engineering but use iridium to provide even greater longevity and more focused, powerful performance. The durable precious metal construction ensures reduced wear and tear, maintaining optimal gap and spark intensity throughout its extended life cycle.

Key features that stand out:
– True Iridium Construction: Maximum durability and service life.
– Reduced Wear and Tear: Built to maintain performance standards over thousands of miles.
– Trusted Racing Heritage: Champion technology ensures reliable high-performance ignition.

Pros:
– Combines the Champion brand name with premium iridium longevity.
– Excellent fitment and OE quality for the V6 Acadia.
– Reliable, long-lasting performance.

Cons:
– Costs more upfront than Champion’s Platinum variant.

Best for: Champion loyalists who want the maximum service life iridium can offer.

Expert Opinion: Champion Iridium plugs are a direct upgrade from the Platinum series. They are highly reliable and offer competitive performance against NGK and Denso options, making them a worthwhile investment for long-term vehicle ownership.

A-Premium Ignition Coils and Spark Plugs Kits Compatible with Chevrolet Traverse 2009 & GMC Acadia 2009 & Buick LaCrosse/Allure 2005-2008, Enclave 2009 & Cadillac CTS 2004-2009, SRX, STS 6-PC Set

This kit focuses on servicing the earlier model years of the GMC Acadia (2009) and its related GM V6 platform vehicles. This is a complete set of 6 coils and iridium spark plugs. The spark plugs feature an iridium and nickel alloy blend, engineered to extend plug life nearly threefold compared to standard plugs. The specifications are clearly listed, focusing on proper gap size and installation torque, ensuring professional installation results.

Key features that stand out:
– Early Model Focus: Specifically compatible with the 2009 Acadia and related early V6 platforms.
– Iridium+Nickel Spark Plug: Excellent material blend for longevity and stable idle speed.
– Clear Specifications: Provides detailed terminal quantity, gap size, and required installation torque.

Pros:
– Excellent choice for owners of specific early Acadia model years.
– Iridium construction guarantees a long, stable life.
– Comes with a one-year unlimited-mileage guarantee.

Cons:
– Limited compatibility range compared to newer plug kits.

Best for: Owners of 2009 GMC Acadia and other early generation Lambda platform vehicles needing a full ignition kit.

Expert Opinion: Finding reliable parts for the earliest generations of the Acadia can sometimes be tricky. This A-Premium kit provides great assurance of fitment and the performance benefits of iridium plugs for these specific model years.

Comparison Insights: Finding the Right Technology

When comparing the best spark plugs for gmc acadia, your decision often comes down to budget versus desired maintenance interval and power delivery.

Iridium Dominates Longevity: If your main goal is to avoid changing plugs again for another 80,000 to 100,000 miles, you must choose an iridium option. Both the NGK Iridium IX and the various Double Iridium 41-109 replacement sets offer superior lifespan over platinum. NGK is generally seen as the gold standard for performance consistency.

Platinum is the Reliable Value: For drivers who want better durability than standard plugs but are watching their budget, platinum options like the Champion Platinum or Autolite Platinum are excellent. They offer improved starts and gap stability compared to traditional materials, though they will need replacement sooner than iridium.

The Full Kit Advantage: Several options here (UF569, KacuYelin, A-Premium, Set of 6 Ignition Coil Pack) provide plugs and coils. This is highly recommended for any Acadia over 100,000 miles. While the EMIHO plugs are great, if you have any hesitation or misfires, a kit like the UF569 Double Iridium & Coil Pack ensures the entire ignition path is refreshed, often leading to a much smoother engine.

Final Verdict: Our Top Picks

Choosing the best spark plugs for gmc acadia depends heavily on how long you plan to keep your vehicle and its current mileage.

The Best Overall Performer

The 6 pc NGK Iridium IX Spark Plugs takes the top spot. NGK’s precision engineering delivers the best combination of reliable, consistent ignition, anti-fouling resistance, and maximum lifespan for the 3.6L V6 engine. You pay a slight premium, but the proven quality is undeniable.

The Best Value Kit

For vehicles approaching or exceeding 100,000 miles, the UF569 Ignition Coil & 12622561 Double Iridium Spark Plug Kit offers exceptional value. Replacing both coils and plugs at once prevents future diagnostics headaches and restores ignition system performance entirely, all while utilizing long-life double iridium technology.

The Reliable Budget Pick

If you need a trustworthy replacement without the high cost of iridium, the 6 pc Champion Platinum Spark Plugs is a strong choice. They offer excellent durability and a better-than-basic spark delivery, backed by a world-renowned brand.

Best Spark Plugs For GMC Acadia FAQ

Q1: What are the typical signs that I need to replace the spark plugs in my GMC Acadia?

A: Common symptoms include engine misfires (often felt as hesitation or stumbling during acceleration), rough idling, difficulty starting, and a noticeable decrease in fuel economy (MPG). If your Acadia has reached 80,000 to 100,000 miles, even without noticeable symptoms, it’s generally time for replacement, especially for iridium or platinum plugs.

Q2: What is the difference between Iridium and Platinum spark plugs for the Acadia’s V6 3.6L engine?

A: The primary difference is longevity and material hardness. Iridium is significantly harder and has a higher melting point than platinum. Iridium spark plugs typically last 80,000 to 100,000 miles, providing the longest service life. Platinum spark plugs are reliable but usually need replacing sooner, often around 40,000 to 60,000 miles, making them better suited for drivers with lower annual mileage.

Q3: How often should I replace my spark plugs in the GMC Acadia?

A: This depends on the plug type. If your Acadia uses OE-recommended iridium or double iridium plugs (which is common for the 3.6L V6), the replacement interval is typically 100,000 miles. If you install standard platinum or copper plugs, you should reduce that interval to 40,000 to 60,000 miles. Always check your specific owner’s manual for the manufacturer’s recommendation.

Q4: Is it difficult to change the spark plugs on a GMC Acadia (especially the rear bank)?

A: Changing the spark plugs on the Acadia’s V6 3.6L engine is more complex than in many other vehicles due to the design of the engine bay. The front bank is relatively straightforward. However, accessing the rear bank requires removing the intake manifold (plenum), making it a multi-hour job that often requires specialized tools and gaskets. If you lack experience, hiring a professional mechanic is often recommended.

Q5: Should I replace the ignition coils when I replace the best spark plugs for gmc acadia?

A: While coils can last longer than plugs, it is strongly recommended to replace the ignition coils if your Acadia is over 100,000 miles or if you are experiencing misfires. Old coils can weaken and fail to deliver the high-voltage spark necessary, even to brand-new iridium plugs, which is why integrated kits offer great peace of mind.

Q6: Do I need to gap the new spark plugs for my Acadia?

A: If you purchase pre-gapped, genuine replacement plugs (like those from NGK or Champion), they should arrive ready for installation. However, it is always best practice to confirm the gap size using a feeler gauge, especially with aftermarket or value-priced plugs. The correct gap specification for the 3.6L V6 typically falls around 0.043 inches (or 1.1mm).

Q7: Can a faulty spark plug affect my emission control system?

A: Yes, absolutely. A faulty or worn-out spark plug causes incomplete combustion of fuel. This results in higher levels of unburnt hydrocarbons and NOx entering the exhaust system, which can trip your check engine light (CEL) related to emissions codes and potentially damage your catalytic converter over time.