Cadillac Fleetwood/DeVille MPG by year — every rating on record
The Cadillac Fleetwood/DeVille has a combined EPA fuel economy rating for 6 model years, from 1986 to 1992. Across those years its best rated version returned 18 mpg (1986) and its thirstiest returned 17 mpg (1990). The EPA record holds 6 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 |
|---|---|---|---|---|---|---|---|
| 1986 | 1 | 18 mpg | 18 mpg | #12 of 15 (21th pct) | Front-Wheel Drive | Regular | Large Cars |
| 1987 | 1 | 18 mpg | 18 mpg | #12 of 15 (21th pct) | Front-Wheel Drive | Regular | Large Cars |
| 1989 | 1 | 18 mpg | 18 mpg | #11 of 16 (33th pct) | Front-Wheel Drive | Regular | Large Cars |
| 1990 | 1 | 17 mpg | 17 mpg | #16 of 16 (0th pct) | Front-Wheel Drive | Premium | Large Cars |
| 1991 | 1 | 18 mpg | 18 mpg | #10 of 19 (50th pct) | Front-Wheel Drive | Premium | Large Cars |
| 1992 | 1 | 18 mpg | 18 mpg | #17 of 24 (30th pct) | Front-Wheel Drive | Premium | Large Cars |
Where it has stood in its class
Ranked against every other nameplate the EPA filed under the same class that year. The Cadillac Fleetwood/DeVille placed highest in 1991 at #10 of 19, and lowest in 1992 at #17 of 24. It spent 1 of its 6 ranked years in the top half of its class.
Every configuration on record
All 6 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1992 | 4.9L 8-cyl Front-Wheel Drive Automatic 4-spd Premium | (FFS) | 15 | 23 | 18 | 638.9 | 16.5 | $4,300 | 493.72222222222223 | n/a |
| 1991 | 4.9L 8-cyl Front-Wheel Drive Automatic 4-spd Premium | (FFS) | 15 | 24 | 18 | 638.9 | 16.5 | $4,300 | 493.72222222222223 | n/a |
| 1990 | 4.5L 8-cyl Front-Wheel Drive Automatic 4-spd Premium | (FFS) | 15 | 23 | 17 | 676.5 | 17.5 | $4,550 | 522.7647058823529 | n/a |
| 1989 | 4.5L 8-cyl Front-Wheel Drive Automatic 4-spd Regular | (FFS) | 15 | 23 | 18 | 638.9 | 16.5 | $3,450 | 493.72222222222223 | n/a |
| 1987 | 4.1L 8-cyl Front-Wheel Drive Automatic 4-spd Regular | (FFS) | 15 | 23 | 18 | 638.9 | 16.5 | $3,450 | 493.72222222222223 | n/a |
| 1986 | 4.1L 8-cyl Front-Wheel Drive Automatic 4-spd Regular | (FFS) | 15 | 24 | 18 | 638.9 | 16.5 | $3,450 | 493.72222222222223 | n/a |
How the rating has moved between model years
Comparing the best-rated configuration of each year. 1 of 2 year-over-year steps improved the top rating.
| Change | Best combined | Delta | Gallons a year at the newer rating |
|---|---|---|---|
| 1989 → 1990 | 18 → 17 mpg | -1 mpg | 676 gal |
| 1990 → 1991 | 17 → 18 mpg | +1 mpg | 639 gal |
What Fleetwood/DeVille fuel costs over a year
At the EPA's 11,500 miles a year, the 1992 Cadillac Fleetwood/DeVille burns 639 to 639 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 | $1,917 | $1,917 | $0 |
| $3.50/gal | $2,236 | $2,236 | $0 |
| $4.00/gal | $2,556 | $2,556 | $0 |
EPA’s own estimate for the 1992 model year is $4,300 to $4,300 a year in fuel, or $10,250 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 18 mpg the Cadillac Fleetwood/DeVille is 3 mpg below the median, which is worth about $319 a year at $3.50 a gallon.
- All Large Cars rankings — every nameplate in the class, best to worst.
Other Cadillac nameplates
Every Cadillac model compared → — all nameplates ranked by best combined rating, with what each one costs a year.