Oldsmobile Eighty-Eight/Regency/LSS: MPG and fuel economy by year

The EPA has rated the Oldsmobile Eighty-Eight/Regency/LSS for one model year, the 1998 Oldsmobile Eighty-Eight/Regency/LSS. The most recent 1998 Oldsmobile Eighty-Eight/Regency/LSS returns 21 combined MPG.

Pick a year below to open the full Oldsmobile Eighty-Eight/Regency/LSS 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 Eighty-Eight/Regency/LSS. 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
1998	1998 Oldsmobile Eighty-Eight/Regency/LSS	21 MPG	17 MPG	27 MPG	$2,850

How the Oldsmobile Eighty-Eight/Regency/LSS compares against the Large Cars class

Buyers usually compare the Oldsmobile Eighty-Eight/Regency/LSS against other cars in the same EPA class. The list below shows the most efficient cars in the Large Cars class for the 1998 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.