Chevy Suburban 2025 Mpg Comparison. Fuel economy of 2025 chevrolet vehicles. The upscale ltz trim got a new name that year—suburban premier—and chevy made no substantial changes to the 2018 model.

The upscale ltz trim got a new name that year—suburban premier—and chevy made no substantial changes to the 2018 model. Detailed specs and features for the 2025 chevrolet suburban including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more.