1999 · Large Car · Gas
1999 Oldsmobile Eighty-Eight/Regency MPG & fuel economy
The 1999 Oldsmobile Eighty-Eight/Regency is a large car offered in 2 EPA-rated configurations. The most efficient version returns 20 MPG combined (17 city / 27 highway) on regular gasoline. Across the lineup, combined ratings range from 19 to 20 MPG. Among 19 large cars rated for 1999, it ranks 7th for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $2,325 a year to fuel.
What will it cost you?
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Fuel average
The 1999 Oldsmobile Eighty-Eight/Regency's fuel average is 8.5 km/L (11.8 L/100 km), or 20 MPG combined: 7.2 km/L in the city and 11.5 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 17 | 7.2 | 13.8 |
| Highway | 27 | 11.5 | 8.7 |
| Combined | 20 | 8.5 | 11.8 |
How it ranks among 1999 Large Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
Eighty-Eight/Regency MPG across model years
Full history →2 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| FWD · 3.8L 6-cyl · 4-speed automatic Eighty-Eight/Regency |
Gas | 17 MPG | 27 MPG | 20 MPG | — | $2,325 |
| FWD · 3.8L 6-cyl supercharged · 4-speed automatic Eighty-Eight/Regency |
Gas | 16 MPG | 25 MPG | 19 MPG | — | $3,118 |
Specs (most efficient configuration)
- Fuel
- Regular gasoline
- Engine / motor
- 3.8L 6-cyl
- Transmission
- 4-speed automatic
- Drivetrain
- FWD
- Passenger volume
- 106 cu ft
- Cargo volume
- 18 cu ft
- Tailpipe CO₂
- 444 g/mi
1999 Oldsmobile Eighty-Eight/Regency vs. rivals
Compare the 1999 Eighty-Eight/Regency
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Frequently asked questions
What is the gas mileage of the 1999 Oldsmobile Eighty-Eight/Regency?
Up to 20 MPG combined (17 city / 27 highway); ratings range from 19 to 20 MPG depending on configuration.
What fuel does the 1999 Oldsmobile Eighty-Eight/Regency use?
Regular gasoline.
What is the fuel average in km/L for the 1999 Oldsmobile Eighty-Eight/Regency?
The 1999 Oldsmobile Eighty-Eight/Regency's fuel average is 8.5 km/L (11.8 L/100 km), or 20 MPG combined: 7.2 km/L in the city and 11.5 km/L on the highway.
How much does it cost to fuel the 1999 Oldsmobile Eighty-Eight/Regency per year?
About $2,325 at 15,000 miles a year with $3.10/gal regular gas, or $15.50 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.