
The following table compares the fuel economies of different models of Cadillac DeVille cars, across model years.
The annual fuel costs (shown in the right-hand columns) are calculated based on an estimated annual mileage of 15,000 miles,
of which 55% of the miles are city driving, and 45% of the miles are highway driving.
Annual Cost 1 assumes a fuel cost of $5.00 per gallon, while Annual Cost 2 assumes a fuel cost of $6.00 per gallon.
| Model Year | Transmission | Cyl. | Combined MPG | City MPG |
Highway MPG |
Annual Cost 1 |
Annual Cost 2 |
|---|---|---|---|---|---|---|---|
| 2005 DeVille | Automatic 4-speed | 8 | 18 | 15 | 22 | $4,284 | $5,140 |
| 2005 DeVille | Automatic 4-speed | 8 | 19 | 16 | 24 | $3,984 | $4,781 |
| 2004 DeVille | Automatic 4-speed | 8 | 19 | 16 | 24 | $3,984 | $4,781 |
| 2004 DeVille | Automatic 4-speed | 8 | 19 | 16 | 24 | $3,984 | $4,781 |
| 2003 DeVille | Automatic 4-speed | 8 | 19 | 16 | 25 | $3,928 | $4,713 |
| 2002 DeVille | Automatic 4-speed | 8 | 19 | 16 | 25 | $3,928 | $4,713 |
| 2001 DeVille | Automatic 4-speed | 8 | 18 | 15 | 25 | $4,100 | $4,920 |
| 2000 DeVille | Automatic 4-speed | 8 | 19 | 15 | 25 | $4,100 | $4,920 |
| 1999 DeVille | Automatic 4-speed | 8 | 18 | 15 | 24 | $4,156 | $4,987 |
| 1998 DeVille | Automatic 4-speed | 8 | 18 | 15 | 24 | $4,156 | $4,987 |
| 1997 DeVille | Automatic 4-speed | 8 | 18 | 15 | 24 | $4,156 | $4,987 |
| 1996 DeVille | Automatic 4-speed | 8 | 18 | 15 | 24 | $4,156 | $4,987 |
| 1988 DeVille | Automatic 4-speed | 8 | 17 | 15 | 22 | $4,284 | $5,140 |
Data source: Fuel Economy USA, Reference.