Six spark plugs for a 2010 GMC Acadia typically cost from about $12 to $150 for the set, depending on the plug type (copper, platinum, or iridium) and the brand. Labor, if you hire a shop, adds to the total price.
The Acadia’s 2010 model uses a 3.6-liter V6 engine, which requires six individual spark plugs. Prices vary by material and brand, and you can choose OEM-equivalent parts or aftermarket options. This article outlines current typical prices and what drives the cost, so you can budget accordingly and decide whether to DIY or hire a mechanic.
What affects spark plug pricing
Prices depend on the plug material, brand, whether you buy OEM GM parts or aftermarket equivalents, and where you purchase them.
- Copper spark plugs are the cheapest option and adequate for many maintenance needs.
- Platinum spark plugs cost more than copper but offer longer life and fewer replacements between services.
- Iridium spark plugs are typically the most expensive but provide the longest service life and reliable performance.
Choosing a plug type affects the total cost for six plugs and the replacement interval.OEM-equivalent parts may be slightly pricier than generic aftermarket options, depending on the retailer.
Estimated total costs for six plugs (parts only)
Here are typical price ranges for a full set of six plugs, reflecting common aftermarket options as of 2024–2026. Prices can vary by retailer and region.
- Copper spark plugs: about $12–$30 for a complete set of six.
- Platinum spark plugs: about $36–$72 for a complete set of six.
- Iridium spark plugs: about $72–$150 for a complete set of six.
Note that individual retailers may offer different pricing or bundles, and exact part numbers must match the 3.6L engine configuration for proper fit and gap specifications.
Labor costs and DIY considerations
Labor costs can significantly affect the total, especially if you have a shop install the plugs. Typical labor time is about 1–2 hours, with regional shop rates often ranging from roughly $80 to $150 per hour.
- DIY replacement can save labor costs and can take about 1–2 hours for a competent home mechanic.
- Professional installation might run about $100–$250 in labor, depending on location and the shop’s rate.
When budgeting, also consider potential related items (like ignition coils) if they show wear, and ensure you have the right tools, torque specifications, and gap measurements for the exact engine configuration.
Where to buy and what to ask
Shop at major auto parts retailers (chain stores and online) to compare current prices, and confirm your exact engine configuration and required spark plug specifications with the part number from GM’s documentation or your owner's manual.
Ask for the correct type and gap specification, and confirm whether the parts are OEM-equivalent or aftermarket. A quick check of compatibility helps avoid misfires or poor performance after installation.
Summary
For a 2010 GMC Acadia, six spark plugs can cost roughly $12–$150 for the parts, depending on material and brand. Copper plugs are cheapest, platinum are mid-range, and iridium plugs are the most expensive but longest-lasting. Add labor if you’re not DIY-ing, typically about $100–$250, though costs vary by region and shop. Always verify the exact part numbers and gap specifications for your engine before purchasing.