GMC G15/25 Rally 2WD: MPG and fuel economy by year

The EPA has rated the GMC G15/25 Rally 2WD across 9 model years, from the 1984 GMC G15/25 Rally 2WD through the 1992 GMC G15/25 Rally 2WD. The most recent 1992 GMC G15/25 Rally 2WD returns 16 combined MPG. The most efficient model year was the 1984 GMC G15/25 Rally 2WD at 19 MPG.

Pick a year below to open the full GMC G15/25 Rally 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 G15/25 Rally 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 G15/25 Rally 2WD	16 MPG	14 MPG	18 MPG	$5,050
1991	1991 GMC G15/25 Rally 2WD	17 MPG	15 MPG	20 MPG	$4,750
1990	1990 GMC G15/25 Rally 2WD	17 MPG	15 MPG	20 MPG	$4,750
1989	1989 GMC G15/25 Rally 2WD	18 MPG	16 MPG	20 MPG	$4,500
1988	1988 GMC G15/25 Rally 2WD	18 MPG	16 MPG	20 MPG	$4,500
1987	1987 GMC G15/25 Rally 2WD	18 MPG	16 MPG	21 MPG	$4,500
1986	1986 GMC G15/25 Rally 2WD	18 MPG	16 MPG	22 MPG	$4,500
1985	1985 GMC G15/25 Rally 2WD	18 MPG	15 MPG	22 MPG	$4,500
1984	1984 GMC G15/25 Rally 2WD	19 MPG	18 MPG	20 MPG	$4,250

How the GMC G15/25 Rally 2WD compares against the Vans class

Buyers usually compare the GMC G15/25 Rally 2WD against other cars in the same EPA class. The list below shows the most efficient cars in the Vans 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.