Oldsmobile
Oldsmobile · model year 1985
1985 Oldsmobile Delta 88 Royale
Large · Rear-Wheel Drive · Diesel · EPA class: Large Cars
EPA figures · 1985fueleconomy.gov
21MPG combined
18/27MPG city / highway
$4,550fuel a year
485 g CO₂ per mile 5.7 L 8-cyl Automatic 4-spd
This car on fueleconomy.gov, read 2 October 2026. Your own figures depend on how and where you drive.
Where it places
Every figure on record
- Combined MPG
- 21 MPG
- City MPG
- 18 MPG
- Highway MPG
- 27 MPG
- Annual fuel cost
- $4,550
- Tailpipe CO₂
- 485 g per mile
- Model year
- 1985
- Body
- Car
- EPA size class
- Large Cars
- Drive
- Rear-Wheel Drive
- Engine
- 5.7 L 8-cyl
- Transmission
- Automatic 4-spd
- Fuel
- Diesel
Efficiency
Running cost
The car
Powertrain
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