Photo: Cadillac Brougham by CZmarlin — Christopher Ziemnowicz, releases all rights but a photo credit would be appreciated if this image is used an, Public domain, via Wikimedia Commons. It shows the model, not always this exact version.
Cadillac · model year 1984
1984 Cadillac Brougham/DeVille (RWD)
Large · Rear-Wheel Drive · Diesel · EPA class: Large Cars
EPA figures · 1984fueleconomy.gov
21MPG combined
18/26MPG city / highway
$4,550fuel a year
485 g CO₂ per mile 5.7 L 8-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
- 21 MPG
- City MPG
- 18 MPG
- Highway MPG
- 26 MPG
- Annual fuel cost
- $4,550
- Tailpipe CO₂
- 485 g per mile
- Model year
- 1984
- Body
- Car
- EPA size class
- Large Cars
- Drive
- Rear-Wheel Drive
- Engine
- 5.7 L 8-cyl
- Transmission
- Automatic 4-spd
- Fuel
- Diesel
Efficiency
Running cost
The car
Powertrain
More Cadillac model years
1985 Cadillac Fleetwood/DeVille (FWD)
23 MPG · $4,150 fuel a year Cadillac1985 Cadillac Limousine
17 MPG · $3,950 fuel a year
1985 Cadillac Seville
17 MPG · $3,950 fuel a year 1985 Cadillac Seville
17 MPG · $3,950 fuel a year 1985 Cadillac Seville
20 MPG · $4,800 fuel a year 1984 Cadillac Brougham/DeVille (RWD)
16 MPG · $4,200 fuel a year 1984 Cadillac Brougham/DeVille (RWD)
16 MPG · $4,200 fuel a year
1984 Cadillac Cimarron
21 MPG · $3,200 fuel a yearEvery alternative to the 1984 Cadillac Brougham/DeVille (RWD) →