1985 Oldsmobile Ninety-Eight RegencyFuel Economy & MPG Ratings
Diesel Large CarsFront-Wheel Drive
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City
19
MPG
Highway
29
MPG
Combined
23
MPG
Trim Comparison
Automatic 4-spd
Diesel Diesel
City
19
Hwy
29
Comb
23
Fuel cost: $3,700/yr
Automatic 4-spd
Diesel Diesel
City
19
Hwy
29
Comb
23
Fuel cost: $3,700/yr
Automatic 4-spd
Regular
City
16
Hwy
23
Comb
19
Fuel cost: $3,550/yr
Automatic 4-spd
Regular
City
17
Hwy
24
Comb
19
Fuel cost: $3,550/yr
Automatic 4-spd
Regular
City
15
Hwy
23
Comb
18
Fuel cost: $3,750/yr
| Trim | Engine | City | Hwy | Combined | Fuel Cost/yr |
|---|---|---|---|---|---|
| Automatic 4-spd | Diesel Diesel | 19 | 29 | 23 | $3,700 |
| Automatic 4-spd | Diesel Diesel | 19 | 29 | 23 | $3,700 |
| Automatic 4-spd | Regular | 16 | 23 | 19 | $3,550 |
| Automatic 4-spd | Regular | 17 | 24 | 19 | $3,550 |
| Automatic 4-spd | Regular | 15 | 23 | 18 | $3,750 |
Annual Fuel Cost
$3,700
Based on gasoline at $3.67/gal, 15,000 miles/year
5-Year Fuel Savings
$-6,500
vs. average new vehicle
EPA Fuel Economy Score: -1/10
GHG Score: -1/10
Environment
- CO₂ Tailpipe Emissions
- 443 g/mile
- Annual Petroleum Consumption
- 15.5 barrels
Specifications
- Engine
- 4.3L 6-cyl
- Transmission
- 4-speed Automatic
- Drivetrain
- FWD
- Body Style
- Sedan
Source: EPA fuel economy data & NHTSA vPIC. Specifications reflect the most common trim configuration.
Engine & Efficiency Details
Source: EPA fueleconomy.gov
- Engine Size
- 4.3L, 6-cylinder
- Induction Type
- CA model
- Fuel Type
- Diesel
Related
Oldsmobile Ninety-Eight Regency MPG History
See how this model's fuel economy changed by year