The top used 2018 GMC Terrain trims based on our inventory are the GMC Terrain SLE with 2512 listings the GMC Terrain SLT with 911 listings, and the GMC Terrain Denali with 658 listings.
What is the MPG for a 2018 GMC Terrain?
Our most popular listing, the 2018 GMC Terrain gets an average MPG of 21 city / 26 highway.
What colors do the 2018 GMC Terrain come in?
The 2018 GMC Terrain comes in Graphite Gray Metallic, Light Platinum, Ebony Twilight Metallic, Blue Steel Metallic, Jet Black, Red Quartz Tintcoat, Mineral Metallic, Red Quartz Metallic, Summit White, Coppertino Metallic, Satin Steel Metallic, Medium Ash Gray and Quicksilver Metallic colors.