Buick Riviera Convertible: MPG and fuel economy by year

The EPA has rated the Buick Riviera Convertible across 2 model years, from the 1984 Buick Riviera Convertible through the 1985 Buick Riviera Convertible. The most recent 1985 Buick Riviera Convertible returns 17 combined MPG.

Pick a year below to open the full Buick Riviera 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 Buick Riviera 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
1985	1985 Buick Riviera Convertible	17 MPG	14 MPG	22 MPG	$4,050
1984	1984 Buick Riviera Convertible	16 MPG	14 MPG	20 MPG	$3,750

How the Buick Riviera Convertible compares against the Compact Cars class

Buyers usually compare the Buick Riviera Convertible against other cars in the same EPA class. The list below shows the most efficient cars in the Compact Cars class for the 1985 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.