2025 Gmc Terrain Dimensions. Complete 2025 gmc terrain info, including introduction date, platform, assembly location, specifications, pictures and more. Detailed specs and features for the 2025 gmc terrain including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more.

The new wheelbase (107.5 inches) is 0.2 inches longer, but the overall length (181 inches) is actually. The 2025 gmc terrain was about two inches (5 cm) wider than its predecessor, one inch shorter, and one taller than the previous model.