GMC Sierra Mud Terrain Tires 4WD (Sport Mode): MPG and fuel economy by year

The EPA has rated the GMC Sierra Mud Terrain Tires 4WD (Sport Mode) for one model year, the 2026 GMC Sierra Mud Terrain Tires 4WD (Sport Mode). The most recent 2026 GMC Sierra Mud Terrain Tires 4WD (Sport Mode) returns 16 combined MPG.

Pick a year below to open the full GMC Sierra Mud Terrain Tires 4WD (Sport Mode) page for that model year. Each year page covers combined, city, and highway MPG, the trim variants the EPA rates separately, the annual fuel cost across three driving patterns, and a year-over-year comparison so you can see whether the car has improved.

Fuel economy by model year

Combined MPG, city MPG, highway MPG, and the EPA's estimated annual fuel cost for every model year of the GMC Sierra Mud Terrain Tires 4WD (Sport Mode). Click any year to see the full breakdown for that model year, including trim variants, the drivetrain, and a comparison against other vehicles in its segment.

Year	Model	Combined MPG	City	Highway	Annual fuel cost
2026	2026 GMC Sierra Mud Terrain Tires 4WD (Sport Mode)	16 MPG	15 MPG	18 MPG	$3,750

How the GMC Sierra Mud Terrain Tires 4WD (Sport Mode) compares against the Standard Pickup Trucks 4WD class

Buyers usually compare the GMC Sierra Mud Terrain Tires 4WD (Sport Mode) against other cars in the same EPA class. The list below shows the most efficient cars in the Standard Pickup Trucks 4WD class for the 2026 model year, the latest year on this page. Each link opens the full page for that car.

Source: U.S. EPA fuel economy dataset. Annual fuel cost assumes 15,000 miles of driving per year and a 55% city, 45% highway split.