Typically, spark plug replacement for a 2017 GMC Acadia runs about $300 to $800 in total, depending on whether you go to an independent shop or a dealership, and on which engine your Acadia has. The 2017 model can run either a 2.5L four-cylinder or a 3.6L V6, and the number of plugs differs (4 vs 6). Labor rates vary by region and shop.
Cost snapshot for the spark plug replacement
Here are rough cost ranges depending on where you have the work done and which engine your Acadia uses. The 2017 model can run either a 2.5L four-cylinder or a 3.6L V6, and the number of plugs differs (4 vs 6). Labor rates vary by region and shop.
- Independent auto shop: about $250–$500 for a 4-plug 2.5L engine, or $350–$650 for a 6-plug 3.6L engine.
- Dealership: about $550–$900 for a 4-plug engine, or $700–$1100 for a 6-plug engine.
- Do-it-yourself (DIY) — parts cost only: roughly $60–$140 for six plugs (or $40–$90 for four plugs), depending on plug type (copper vs iridium/platinum).
Conclusion: Independent shops typically offer the best value for most owners, especially for the 6-plug 3.6L engine, while dealerships are costlier. DIY can cut parts costs but requires tools and know-how.
What affects the price?
Several factors influence how much you will pay for spark plug replacement on a 2017 Acadia. Here’s what to consider:
- Engine type and number of plugs: 2.5L I4 (4 plugs) vs 3.6L V6 (6 plugs) changes parts and labor.
- Accessibility and labor time: Some engines require coil removal, fuel rail access, or other disassembly, increasing labor hours.
- Plug type and parts: Iridium or platinum plugs cost more per plug but may last longer; copper plugs are cheaper but wear faster.
- Labor rates by region and shop: Dealerships charge more per hour than independent shops.
- Additional components: In some cases, ignition coils or coil packs may need replacement if they’re failing.
- Warranty and service plan: Some maintenance plans may cover part of the replacement under certain conditions.
Conclusion: Expect more for premium plug types or challenging access; expect less if your engine is straightforward and you choose a reputable independent shop.
DIY considerations and tips
If you’re considering doing the work yourself, factor in tools, time, and safety. For a 2017 Acadia, you’ll need a basic socket set, a torque wrench, and possibly a coil removal tool. Always disconnect the battery and follow proper procedure to avoid damaging ignition coils or electrical systems.
Summary
Bottom line: For most owners, spark plug replacement on a 2017 GMC Acadia will generally fall in the mid-range of costs, commonly around $300–$650 at an independent shop, with dealer quotes often higher. The exact price depends on your engine (4 plugs vs 6 plugs), plug type, local labor rates, and whether additional parts are needed. DIY can reduce cost but requires appropriate tools and expertise.


