Oldsmobile Delta 88 Royale MPG by year — every rating on record
The Oldsmobile Delta 88 Royale has a combined EPA fuel economy rating for 3 model years, from 1985 to 1987. Across those years its best rated version returned 21 mpg (1985) and its thirstiest returned 17 mpg (1985). The EPA record holds 10 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 |
|---|---|---|---|---|---|---|---|
| 1985 | 7 | 21 mpg | 17 mpg | #7 of 13 (50th pct) | Rear-Wheel Drive | Regular, Diesel | Large Cars |
| 1986 | 2 | 20 mpg | 19 mpg | #4 of 15 (79th pct) | Front-Wheel Drive | Regular | Large Cars |
| 1987 | 1 | 19 mpg | 19 mpg | #8 of 15 (50th 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 Delta 88 Royale placed highest in 1986 at #4 of 15, and lowest in 1987 at #8 of 15. It spent 3 of its 3 ranked years in the top half of its class.
Every configuration on record
All 10 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1987 | 3.8L 6-cyl Front-Wheel Drive Automatic 4-spd Regular | (FFS) | 16 | 25 | 19 | 605.3 | 15.7 | $3,300 | 467.7368421052632 | n/a |
| 1986 | 3.0L 6-cyl Front-Wheel Drive Automatic 4-spd Regular | (FFS) | 16 | 24 | 19 | 605.3 | 15.7 | $3,300 | 467.7368421052632 | n/a |
| 1986 | 3.8L 6-cyl Front-Wheel Drive Automatic 4-spd Regular | (FFS) | 17 | 27 | 20 | 575.0 | 14.9 | $3,100 | 444.35 | n/a |
| 1985 | 3.8L 6-cyl Rear-Wheel Drive Automatic 3-spd Regular | (FFS) CA model | 15 | 20 | 17 | 676.5 | 17.5 | $3,650 | 522.7647058823529 | n/a |
| 1985 | 3.8L 6-cyl Rear-Wheel Drive Automatic 3-spd Regular | (FFS) | 15 | 20 | 17 | 676.5 | 17.5 | $3,650 | 522.7647058823529 | n/a |
| 1985 | 5.0L 8-cyl Rear-Wheel Drive Automatic 3-spd Regular | (GM-OLDS) (FFS) | 15 | 20 | 17 | 676.5 | 17.5 | $3,650 | 522.7647058823529 | n/a |
| 1985 | 5.0L 8-cyl Rear-Wheel Drive Automatic 4-spd Regular | (GM-OLDS) (FFS) CA model | 15 | 22 | 18 | 638.9 | 16.5 | $3,450 | 493.72222222222223 | n/a |
| 1985 | 5.0L 8-cyl Rear-Wheel Drive Automatic 4-spd Regular | (GM-OLDS) (FFS) | 15 | 22 | 18 | 638.9 | 16.5 | $3,450 | 493.72222222222223 | n/a |
| 1985 | 5.7L 8-cyl Rear-Wheel Drive Automatic 3-spd Diesel | (350 V8), Diesel | 18 | 26 | 21 | 547.6 | 17.0 | $4,250 | 484.76190476190476 | n/a |
| 1985 | 5.7L 8-cyl Rear-Wheel Drive Automatic 4-spd Diesel | (350 V8), Diesel | 18 | 27 | 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. 0 of 2 year-over-year steps improved the top rating.
| Change | Best combined | Delta | Gallons a year at the newer rating |
|---|---|---|---|
| 1985 → 1986 | 21 → 20 mpg | -1 mpg | 575 gal |
| 1986 → 1987 | 20 → 19 mpg | -1 mpg | 605 gal |
What Delta 88 Royale fuel costs over a year
At the EPA's 11,500 miles a year, the 1987 Oldsmobile Delta 88 Royale burns 605 to 605 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 | $1,816 | $1,816 | $0 |
| $3.50/gal | $2,118 | $2,118 | $0 |
| $4.00/gal | $2,421 | $2,421 | $0 |
EPA’s own estimate for the 1987 model year is $3,300 to $3,300 a year in fuel, or $5,250 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 19 mpg the Oldsmobile Delta 88 Royale is 2 mpg below the median, which is worth about $202 a year at $3.50 a gallon.
- 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.