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02 · IG Ignition and tune-up · GMC Terrain
GMC Terrain spark plugs
for 2020–2024 model years · what changes the fit
01 About the part
Fire the air and fuel mix in each cylinder. Most modern engines use iridium or platinum plugs with long service intervals. All about spark plugs →
02 What changes the fit
- The Terrain is GMC's smallest vehicle, slotted below the Acadia. From 2018 it has been a compact crossover. source
- 2 spark-ignition engines across 2020–2024: 1.5L 4-cyl turbo (gasoline, 2020–2024); 2.0L 4-cyl turbo (gasoline, 2020). EPA fuel economy records
- Plug count, gap, and heat range come from the engine maker. Check your owner's manual or enter your VIN; don't go by cylinder count alone.
GMC versions in EPA records
| Year | EPA model names |
|---|---|
| 2020 | Terrain AWD · Terrain FWD |
| 2021 | Terrain AWD · Terrain FWD |
| 2022 | Terrain AWD · Terrain FWD |
| 2023 | Terrain AWD · Terrain FWD |
| 2024 | Terrain AWD · Terrain FWD |
Engines listed by EPA for these years: 1.5L 4-cyl turbo gasoline; 2.0L 4-cyl turbo gasoline. EPA
NHTSA recalls · ignition
NHTSA lists no ignition recalls for the 2020–2024 GMC Terrain as of 2026-11-09. NHTSA recalls
The Terrain shares its platform with the Chevrolet Equinox. The first generation used GM's Theta platform, and later generations use the Delta platform. source Chevrolet Equinox spark plugs →
03 Cross-reference
Coming soon
Interchange numbers for GMC Terrain spark plugs show here once we have a source we can cite. Until then, enter your VIN in the factory parts catalog to get the original-equipment number, and compare that number across stores.
04 Questions
Which GMC Terrain engines does this cover?
2020–2024: 1.5L 4-cyl turbo, 2.0L 4-cyl turbo, as listed in EPA records.
Any GMC Terrain recalls for ignition?
None for 2020–2024 in NHTSA's records, checked 2026-11-09.
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Guides: Ignition and tune-up · GMC and other makes: official parts catalogs · Find the right part
Facts on this page: engines from fueleconomy.gov (U.S. DOE and EPA); recalls from NHTSA, checked 2026-11-09. Prices come only from the retailers and the live eBay listings.