Oldsmobile Delta 88 Royale: MPG and fuel economy by year

The EPA has rated the Oldsmobile Delta 88 Royale across 3 model years, from the 1985 Oldsmobile Delta 88 Royale through the 1987 Oldsmobile Delta 88 Royale. The most recent 1987 Oldsmobile Delta 88 Royale returns 19 combined MPG. The most efficient model year was the 1985 Oldsmobile Delta 88 Royale at 21 MPG.

Pick a year below to open the full Oldsmobile Delta 88 Royale 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 Oldsmobile Delta 88 Royale. 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
1987	1987 Oldsmobile Delta 88 Royale	19 MPG	16 MPG	25 MPG	$3,150
1986	1986 Oldsmobile Delta 88 Royale	20 MPG	17 MPG	27 MPG	$3,000
1985	1985 Oldsmobile Delta 88 Royale	21 MPG	18 MPG	26 MPG	$3,850

How the Oldsmobile Delta 88 Royale compares against the Large Cars class

Buyers usually compare the Oldsmobile Delta 88 Royale against other cars in the same EPA class. The list below shows the most efficient cars in the Large Cars class for the 1987 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.