1985 · Midsize Car · Diesel
1985 Oldsmobile Cutlass Supreme Diesel MPG & fuel economy
The 1985 Oldsmobile Cutlass Supreme Diesel is a midsize car offered in 2 EPA-rated configurations. The most efficient version returns 23 MPG combined (20 city / 28 highway) on diesel. Across the lineup, combined ratings range from 21 to 23 MPG. Efficiency is unchanged from the 1984 model. Among 46 midsize cars rated for 1985, it ranks 20th for lowest fuel cost. At 15,000 miles a year with $3.70/gal diesel fuel, it costs about $2,413 a year to fuel.
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Fuel average
The 1985 Oldsmobile Cutlass Supreme Diesel's fuel average is 9.8 km/L (10.2 L/100 km), or 23 MPG combined: 8.5 km/L in the city and 11.9 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 20 | 8.5 | 11.8 |
| Highway | 28 | 11.9 | 8.4 |
| Combined | 23 | 9.8 | 10.2 |
How it ranks among 1985 Midsize Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
Cutlass Supreme Diesel MPG across model years
Full history →2 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| RWD · 4.3L 6-cyl · 3-speed automatic Cutlass Supreme |
Diesel | 20 MPG | 28 MPG | 23 MPG | — | $2,413 |
| RWD · 5.7L 8-cyl · 3-speed automatic Cutlass Supreme |
Diesel | 18 MPG | 26 MPG | 21 MPG | — | $2,643 |
Specs (most efficient configuration)
- Fuel
- Diesel
- Engine / motor
- 4.3L 6-cyl
- Transmission
- 3-speed automatic
- Drivetrain
- RWD
- Passenger volume
- 101 cu ft
- Cargo volume
- 16 cu ft
- Tailpipe CO₂
- 443 g/mi
1985 Oldsmobile Cutlass Supreme Diesel vs. rivals
Compare the 1985 Cutlass Supreme Diesel
With any other car from any year, including other Cutlass Supreme Diesel model years. Type a year to jump, e.g. "2015 Accord".
Same year, other powertrains: 1985 Oldsmobile Cutlass Supreme (19 MPG)
Frequently asked questions
What is the gas mileage of the 1985 Oldsmobile Cutlass Supreme Diesel?
Up to 23 MPG combined (20 city / 28 highway); ratings range from 21 to 23 MPG depending on configuration.
What fuel does the 1985 Oldsmobile Cutlass Supreme Diesel use?
Diesel.
What is the fuel average in km/L for the 1985 Oldsmobile Cutlass Supreme Diesel?
The 1985 Oldsmobile Cutlass Supreme Diesel's fuel average is 9.8 km/L (10.2 L/100 km), or 23 MPG combined: 8.5 km/L in the city and 11.9 km/L on the highway.
How much does it cost to fuel the 1985 Oldsmobile Cutlass Supreme Diesel per year?
About $2,413 at 15,000 miles a year with $3.70/gal diesel fuel, or $16.09 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.