Tank Ledger

Cadillac DeVille MPG by year — every rating on record

The Cadillac DeVille has a combined EPA fuel economy rating for 11 model years, from 1988 to 2005. Across those years its best rated version returned 19 mpg (2000) and its thirstiest returned 17 mpg (1988). The EPA record holds 13 configurations for this nameplate, most recently a Large Cars.

19best combined mpg (2000)
17worst combined mpg (1988)
19latest year best (2005)
13configurations on record

Year-by-year EPA ratings

Model yearConfigurationsBest combinedWorst combinedClass rank that yearDrivetrainsFuelEPA class
1988117 mpg17 mpg#15 of 20 (26th pct)Front-Wheel DriveRegularLarge Cars
1996118 mpg18 mpg#14 of 30 (55th pct)Front-Wheel DrivePremiumLarge Cars
1997118 mpg18 mpg#12 of 26 (56th pct)Front-Wheel DrivePremiumLarge Cars
1998118 mpg18 mpg#10 of 24 (61th pct)Front-Wheel DriveRegularLarge Cars
1999118 mpg18 mpg#11 of 26 (60th pct)Front-Wheel DrivePremiumLarge Cars
2000119 mpg19 mpg#9 of 22 (62th pct)Front-Wheel DrivePremiumLarge Cars
2001118 mpg18 mpg#15 of 27 (46th pct)Front-Wheel DrivePremiumLarge Cars
2002119 mpg19 mpg#10 of 25 (63th pct)Front-Wheel DriveRegularLarge Cars
2003119 mpg19 mpg#11 of 32 (68th pct)Front-Wheel DriveRegularLarge Cars
2004219 mpg19 mpg#12 of 41 (73th pct)Front-Wheel DriveRegularLarge Cars
2005219 mpg18 mpg#13 of 42 (71th pct)Front-Wheel DriveRegularLarge Cars

Where it has stood in its class

Ranked against every other nameplate the EPA filed under the same class that year. The Cadillac DeVille placed highest in 2000 at #9 of 22, and lowest in 1988 at #15 of 20. It spent 9 of its 11 ranked years in the top half of its class.

Every configuration on record

All 13 configurations EPA lists for this nameplate, newest first.

YearConfigurationEngine detailCityHighwayCombinedGallons/yrBarrels/yrEPA fuel cost/yrCO2 g/miGHG
20054.6L 8-cyl Front-Wheel Drive Automatic 4-spd Regular275HP152218638.916.5$3,450493.72222222222223n/a
20054.6L 8-cyl Front-Wheel Drive Automatic 4-spd Regular300HP162419605.315.7$3,300467.7368421052632n/a
20044.6L 8-cyl Front-Wheel Drive Automatic 4-spd Regular4.6L 8-cyl162419605.315.7$3,300467.7368421052632n/a
20044.6L 8-cyl Front-Wheel Drive Automatic 4-spd RegularSTS/DTS162419605.315.7$3,300467.7368421052632n/a
20034.6L 8-cyl Front-Wheel Drive Automatic 4-spd Regular4.6L 8-cyl162519605.315.7$3,300467.7368421052632n/a
20024.6L 8-cyl Front-Wheel Drive Automatic 4-spd Regular4.6L 8-cyl162519605.315.7$3,300467.7368421052632n/a
20014.6L 8-cyl Front-Wheel Drive Automatic 4-spd Premium4.6L 8-cyl152518638.916.5$4,300493.72222222222223n/a
20004.6L 8-cyl Front-Wheel Drive Automatic 4-spd Premium4.6L 8-cyl152519605.315.7$4,100467.7368421052632n/a
19994.6L 8-cyl Front-Wheel Drive Automatic 4-spd Premium4.6L 8-cyl152418638.916.5$4,300493.72222222222223n/a
19984.6L 8-cyl Front-Wheel Drive Automatic 4-spd Regular4.6L 8-cyl152418638.916.5$3,450493.72222222222223n/a
19974.6L 8-cyl Front-Wheel Drive Automatic 4-spd Premium(FFS) (MPFI)152418638.916.5$4,300493.72222222222223n/a
19964.6L 8-cyl Front-Wheel Drive Automatic 4-spd Premium(FFS) (MPFI)152418638.916.5$4,300493.72222222222223n/a
19884.5L 8-cyl Front-Wheel Drive Automatic 4-spd Regular(FFS)152217676.517.5$3,650522.7647058823529n/a

How the rating has moved between model years

Comparing the best-rated configuration of each year. 3 of 4 year-over-year steps improved the top rating.

ChangeBest combinedDeltaGallons a year at the newer rating
1988 → 199617 → 18 mpg+1 mpg639 gal
1999 → 200018 → 19 mpg+1 mpg605 gal
2000 → 200119 → 18 mpg-1 mpg639 gal
2001 → 200218 → 19 mpg+1 mpg605 gal

What DeVille fuel costs over a year

At the EPA's 11,500 miles a year, the 2005 Cadillac DeVille burns 605 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 priceMost efficientThirstiestSpread
$3.00/gal$1,816$1,917$101
$3.50/gal$2,118$2,236$118
$4.00/gal$2,421$2,556$135

EPA’s own estimate for the 2005 model year is $3,300 to $3,450 a year in fuel, or $6,000 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 Cadillac DeVille is 2 mpg below the median, which is worth about $202 a year at $3.50 a gallon.

Other Cadillac nameplates

Every Cadillac model compared → — all nameplates ranked by best combined rating, with what each one costs a year.