2027 GMC Terrain: What Two Highway MPG Actually Buys You
All New Vehicles Every trim ladder asks you to pay for something, and on the 2027 GMC Terrain the currency is unusually easy to read. Elevation is EPA-estimated at 28 highway MPG. AT4 and Denali both land at 26. Two highway miles per gallon is the whole price of admission to the upper trims, and…