Pick a year below to open the full Pontiac Sunbird Convertible 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 Pontiac Sunbird Convertible. 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
1991 1991 Pontiac Sunbird Convertible 24 MPG 21 MPG 30 MPG $2,500
1990 1990 Pontiac Sunbird Convertible 24 MPG 21 MPG 30 MPG $2,500
1989 1989 Pontiac Sunbird Convertible 24 MPG 21 MPG 30 MPG $2,500
1988 1988 Pontiac Sunbird Convertible 25 MPG 22 MPG 31 MPG $2,400
1987 1987 Pontiac Sunbird Convertible 26 MPG 23 MPG 33 MPG $2,300
1986 1986 Pontiac Sunbird Convertible 26 MPG 23 MPG 32 MPG $2,300
1985 1985 Pontiac Sunbird Convertible 26 MPG 23 MPG 32 MPG $2,300

How the Pontiac Sunbird Convertible compares against the Subcompact Cars class

Buyers usually compare the Pontiac Sunbird Convertible against other cars in the same EPA class. The list below shows the most efficient cars in the Subcompact Cars class for the 1991 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.