GMC C2500 Sierra 2WD: MPG and fuel economy by year

The EPA has rated the GMC C2500 Sierra 2WD across 4 model years, from the 1989 GMC C2500 Sierra 2WD through the 1992 GMC C2500 Sierra 2WD. The most recent 1992 GMC C2500 Sierra 2WD returns 19 combined MPG.

Pick a year below to open the full GMC C2500 Sierra 2WD 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 C2500 Sierra 2WD. 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
1992	1992 GMC C2500 Sierra 2WD	19 MPG	17 MPG	22 MPG	$4,250
1991	1991 GMC C2500 Sierra 2WD	19 MPG	17 MPG	22 MPG	$4,250
1990	1990 GMC C2500 Sierra 2WD	18 MPG	15 MPG	22 MPG	$3,300
1989	1989 GMC C2500 Sierra 2WD	19 MPG	16 MPG	23 MPG	$4,250

How the GMC C2500 Sierra 2WD compares against the Standard Pickup Trucks class

Buyers usually compare the GMC C2500 Sierra 2WD against other cars in the same EPA class. The list below shows the most efficient cars in the Standard Pickup Trucks class for the 1992 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.