Gmc Terrain 2024 Denali Mpg. Detailed specs and features for the 2024 gmc terrain including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more. Learn the ins and outs about the new 2024 gmc terrain awd 4dr denali.

View detailed gas mileage data for the 2024 gmc terrain. Starting at $38,600 msrp, it seats up to 5 passengers and earns 23 city and 28.