Photo: Cadillac Fleetwood by Späth Chr.User ChiemseeMan on de.wikipedia, Public domain, via Wikimedia Commons. It shows the model, not always this exact version.
Cadillac · model year 1984
1984 Cadillac Fleetwood/DeVille (FWD)
Large · Rear-Wheel Drive · Diesel · EPA class: Large Cars
EPA figures · 1984fueleconomy.gov
24MPG combined
21/31MPG city / highway
$4,000fuel a year
424 g CO₂ per mile 4.3 L 6-cyl Automatic 4-spd
This car on fueleconomy.gov, read 2 October 2026. Your own figures depend on how and where you drive.
Where it places
Every figure on record
- Combined MPG
- 24 MPG
- City MPG
- 21 MPG
- Highway MPG
- 31 MPG
- Annual fuel cost
- $4,000
- Tailpipe CO₂
- 424 g per mile
- Model year
- 1984
- Body
- Car
- EPA size class
- Large Cars
- Drive
- Rear-Wheel Drive
- Engine
- 4.3 L 6-cyl
- Transmission
- Automatic 4-spd
- Fuel
- Diesel
Efficiency
Running cost
The car
Powertrain
More Cadillac model years
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25 MPG · $2,700 fuel a year 1984 Cadillac Cimarron
21 MPG · $3,200 fuel a year 1984 Cadillac Cimarron
25 MPG · $2,700 fuel a year
1984 Cadillac Eldorado
17 MPG · $3,950 fuel a year 1984 Cadillac Eldorado
21 MPG · $4,550 fuel a year 1984 Cadillac Eldorado
16 MPG · $4,200 fuel a year 1984 Cadillac Eldorado Convertible
16 MPG · $4,200 fuel a year 1984 Cadillac Eldorado Convertible
16 MPG · $4,200 fuel a yearEvery alternative to the 1984 Cadillac Fleetwood/DeVille (FWD) →