Gmc Terrain 2024 Specs Mpg. The motortrend buyer's guide has the 2024 gmc terrain specs you need, from dimensions and cargo space to power and mpgs. Gmc's smallest suv offering, the terrain, gets a thorough redesign for the 2025 model year complete with blockier styling and more interior tech.
See body style, engine info and more specs. 23 city / 28 highway mpg;