The top used 2021 GMC Terrain trims based on our inventory are the GMC Terrain SLE with 478 listings the GMC Terrain SLT with 453 listings, and the GMC Terrain Denali with 25 listings.
What is the MPG for a 2021 GMC Terrain?
Our most popular listing, the 2021 GMC Terrain gets an average MPG of 25 city / 28 highway.
What colors do the 2021 GMC Terrain come in?
The 2021 GMC Terrain comes in Graphite Gray Metallic, Ebony Twilight Metallic, Blue Emerald Metallic, Red Quartz Tintcoat, Smokey Quartz Metallic, Summit White, Satin Steel Metallic, White Frost Tricoat and Quicksilver Metallic colors.