MPG by Model

MakesCadillacFleetwood/DeVille

Cadillac Fleetwood/DeVille MPG

Its best-rated version reaches 24 MPG combined in 1984, the diesel Fleetwood/DeVille (FWD). Its weakest year peaked at 17 MPG (1990).

Cadillac Fleetwood/DeVille: best and lowest EPA combined MPG of its versions, model years 1984–1992152025MPG198919911984199224 MPG peaklowest peak 17Cadillac Fleetwood/DeVille: best and lowest EPA combined MPG by model year152025MPG1984198619901992
lowest to best versionbest versionmedian of its classengine list turned over
833.3 gal

a year at 15,000 miles for the best 1992 version. Put it next to its 1984 predecessor, at your own mileage.

Compare in gallons

The Cadillac Fleetwood/DeVille has EPA ratings for eight model years, 1984–1992, every one of them among large cars. Its best version had the highest combined rating among large cars in 1984–1985. In 1984 it shared first place among 14 large cars with the Buick Electra/Park Avenue and the Oldsmobile Ninety-Eight II.

In 1990 even the most efficient version of the Fleetwood/DeVille rated lowest of 16 large cars (next up: the Mercury Grand Marquis); it sat in its class's bottom five in five model years. Averaged over 1989–1993, the best version of the Fleetwood/DeVille placed third from the bottom of 17 among large cars rated at least three years in that span.

Among 23 large cars, 1992

The Fleetwood/DeVille placed 15th (tied). The class leader was the Ford LTD Crown Victoria at 20 MPG. The next higher rating, 19 MPG, is shared by 10 nameplates.

Best EPA combined MPG of each of the 23 large cars rated for 19921214161820Fleetwood/DeVille 18median 19LTD Crown VictoriaBest EPA combined MPG of each of the 23 large cars rated for 19921214161820Fleetwood/DeVille 18

Where the engine list turned over

  • 1989

    New: 4.5-liter 8-cylinder. Best rating 18 → 18 MPG.

  • 1991

    New: 4.9-liter 8-cylinder. Best rating 17 → 18 MPG.

Powertrains under the name

  • Diesel

    Rated in 1984–1985.

  • Gasoline

    Rated in 1985–1987 and 1989–1992.

All 8 model years, best and lowest version
Model yearsBest versionCombinedCity / hwyLowest versionVersions
1992Fleetwood/DeVille1815 / 23181
1991Fleetwood/DeVille1815 / 24181
1990Fleetwood/DeVille1715 / 23171
1989Fleetwood/DeVille1815 / 23181
1987Fleetwood/DeVille1815 / 23181
1986Fleetwood/DeVille1815 / 24181
1985Fleetwood/DeVille (FWD) diesel2319 / 29184
1984Fleetwood/DeVille (FWD) diesel2421 / 31241

Version names in the EPA list: Fleetwood/DeVille, Fleetwood/DeVille (FWD).

Same class, 1992

Ford LTD Crown Victoria20 MPGCadillac Brougham18 MPGLincoln Continental18 MPGWallace Environmental Wetl 600 SEL12 MPG

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