Oldsmobile Ninety-Eight MPG by year — every rating on record
The Oldsmobile Ninety-Eight has a combined EPA fuel economy rating for 6 model years, from 1984 to 1996. Across those years its best rated version returned 21 mpg (1984) and its thirstiest returned 16 mpg (1984). The EPA record holds 11 configurations for this nameplate, most recently a Large Cars.
Year-by-year EPA ratings
| Model year | Configurations | Best combined | Worst combined | Class rank that year | Drivetrains | Fuel | EPA class |
|---|---|---|---|---|---|---|---|
| 1984 | 3 | 21 mpg | 16 mpg | #8 of 14 (46th pct) | n/a | Regular, Diesel | Large Cars |
| 1992 | 2 | 19 mpg | 18 mpg | #13 of 24 (48th pct) | Front-Wheel Drive | Premium, Regular | Large Cars |
| 1993 | 2 | 20 mpg | 18 mpg | #9 of 25 (67th pct) | Front-Wheel Drive | Regular, Premium | Large Cars |
| 1994 | 2 | 20 mpg | 18 mpg | #9 of 25 (67th pct) | Front-Wheel Drive | Regular | Large Cars |
| 1995 | 1 | 20 mpg | 20 mpg | #10 of 32 (71th pct) | Front-Wheel Drive | Regular | Large Cars |
| 1996 | 1 | 21 mpg | 21 mpg | #3 of 30 (93th pct) | Front-Wheel Drive | Regular | Large Cars |
Where it has stood in its class
Ranked against every other nameplate the EPA filed under the same class that year. The Oldsmobile Ninety-Eight placed highest in 1996 at #3 of 30, and lowest in 1992 at #13 of 24. It spent 4 of its 6 ranked years in the top half of its class.
Every configuration on record
All 11 configurations EPA lists for this nameplate, newest first.
| Year | Configuration | Engine detail | City | Highway | Combined | Gallons/yr | Barrels/yr | EPA fuel cost/yr | CO2 g/mi | GHG |
|---|---|---|---|---|---|---|---|---|---|---|
| 1996 | 3.8L 6-cyl Front-Wheel Drive Automatic 4-spd Regular | (FFS) (MPFI) | 17 | 27 | 21 | 547.6 | 14.2 | $2,950 | 423.1904761904762 | n/a |
| 1995 | 3.8L 6-cyl Front-Wheel Drive Automatic 4-spd Regular | (FFS) (MPFI) | 17 | 26 | 20 | 575.0 | 14.9 | $3,100 | 444.35 | n/a |
| 1994 | 3.8L 6-cyl Front-Wheel Drive Automatic 4-spd Regular | (FFS) (MPFI) (S-CHARGE) | 15 | 24 | 18 | 638.9 | 16.5 | $3,450 | 493.72222222222223 | n/a |
| 1994 | 3.8L 6-cyl Front-Wheel Drive Automatic 4-spd Regular | (FFS) (MPFI) | 17 | 25 | 20 | 575.0 | 14.9 | $3,100 | 444.35 | n/a |
| 1993 | 3.8L 6-cyl Front-Wheel Drive Automatic 4-spd Premium | (FFS) (S-CHARGE), supercharged | 15 | 25 | 18 | 638.9 | 16.5 | $4,300 | 493.72222222222223 | n/a |
| 1993 | 3.8L 6-cyl Front-Wheel Drive Automatic 4-spd Regular | (FFS) | 17 | 25 | 20 | 575.0 | 14.9 | $3,100 | 444.35 | n/a |
| 1992 | 3.8L 6-cyl Front-Wheel Drive Automatic 4-spd Premium | (FFS) (S-CHARGE), supercharged | 15 | 24 | 18 | 638.9 | 16.5 | $4,300 | 493.72222222222223 | n/a |
| 1992 | 3.8L 6-cyl Front-Wheel Drive Automatic 4-spd Regular | (FFS) | 16 | 24 | 19 | 605.3 | 15.7 | $3,300 | 467.7368421052632 | n/a |
| 1984 | 5.0L 8-cyl Automatic 4-spd Regular | (GM-OLDS) | 14 | 21 | 16 | 718.8 | 18.6 | $3,900 | 555.4375 | n/a |
| 1984 | 5.0L 8-cyl Automatic 4-spd Regular | (GM-OLDS) CA model | 14 | 20 | 16 | 718.8 | 18.6 | $3,900 | 555.4375 | n/a |
| 1984 | 5.7L 8-cyl Automatic 4-spd Diesel | (350 V8) (DIESEL), Diesel | 18 | 26 | 21 | 547.6 | 17.0 | $4,250 | 484.76190476190476 | n/a |
How the rating has moved between model years
Comparing the best-rated configuration of each year. 2 of 3 year-over-year steps improved the top rating.
| Change | Best combined | Delta | Gallons a year at the newer rating |
|---|---|---|---|
| 1984 → 1992 | 21 → 19 mpg | -2 mpg | 605 gal |
| 1992 → 1993 | 19 → 20 mpg | +1 mpg | 575 gal |
| 1995 → 1996 | 20 → 21 mpg | +1 mpg | 548 gal |
What Ninety-Eight fuel costs over a year
At the EPA's 11,500 miles a year, the 1996 Oldsmobile Ninety-Eight burns 548 to 548 gallons depending on configuration. Below is what that costs at three pump prices, and how much more the thirstiest configuration costs than the most efficient one.
| Pump price | Most efficient | Thirstiest | Spread |
|---|---|---|---|
| $3.00/gal | $1,643 | $1,643 | $0 |
| $3.50/gal | $1,917 | $1,917 | $0 |
| $4.00/gal | $2,190 | $2,190 | $0 |
EPA’s own estimate for the 1996 model year is $2,950 to $2,950 a year in fuel, or $3,500 more than the average new vehicle over five years.
How it compares with other Large Cars
Across the 305 nameplates EPA classifies as Large Cars, the median best combined rating is 21 mpg. At 21 mpg the Oldsmobile Ninety-Eight is exactly at the median.
- All Large Cars rankings — every nameplate in the class, best to worst.
Other Oldsmobile nameplates
Every Oldsmobile model compared → — all nameplates ranked by best combined rating, with what each one costs a year.