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Cadillac Brougham/DeVille MPG
EPA fuel economy for 3 Cadillac Brougham/DeVille trims sold from 1984. Best ever: 21 MPG (1984 Brougham/DeVille (RWD)). Latest model year 1984: 16 to 21 MPG combined across 3 trims.
Cadillac Brougham/DeVille fuel cost calculator
Enter what you pay for fuel and how far you drive in a year. The starting prices are the ones the EPA uses for its own yearly fuel-cost estimates. Every cost on this page updates as you type.
At $4.16 a gallon for regular, $5.98 for diesel and 15,000 miles a year, the cheapest 1984 Cadillac Brougham/DeVille to fuel is the Brougham/DeVille (RWD), 4.1 L, 8 cyl (16 MPG) at $3,900 a year. The Brougham/DeVille (RWD), 5.7 L, 8 cyl, Diesel (21 MPG) costs $4,270, so the thriftier trim saves $370 a year and $1,850 over five years.
| 1984 trim | Engine | Transmission | Drive | Fuel | Comb | Cost/yr | vs cheapest |
|---|---|---|---|---|---|---|---|
| Brougham/DeVille (RWD) | 4.1 L, 8 cyl | Auto 4-spd | RWD | Regular | 16 | $3,900 | cheapest |
| Brougham/DeVille (RWD) | 4.1 L, 8 cyl | Auto 4-spd | RWD | Regular | 16 | $3,900 | cheapest |
| Brougham/DeVille (RWD) | 5.7 L, 8 cyl, Diesel | Auto 4-spd | RWD | Diesel | 21 | $4,270 | +$370 |
Cost per year is miles per year divided by the EPA combined rating, times your fuel price; electric vehicles use the EPA's kWh per 100 miles instead. Rounded to the nearest $10. Your prices are kept in this browser only.
Cadillac Brougham/DeVille MPG by year
| Year | Best combined | City | Hwy | Best trim that year | Trims |
|---|---|---|---|---|---|
| 1984 | 21 | 18 | 26 | Brougham/DeVille (RWD), 5.7 L, 8 cyl, Diesel, Auto 4-spd | 3 |
Every Cadillac Brougham/DeVille trim
| Year | Trim | Engine | Transmission | Drive | Fuel | City | Hwy | Comb | CO2 g/mi | Fuel cost/yr |
|---|---|---|---|---|---|---|---|---|---|---|
| 1984 | Brougham/DeVille (RWD) | 5.7 L, 8 cyl, Diesel | Auto 4-spd | RWD | Diesel | 18 | 26 | 21 | 485 | $4,270 |
| 1984 | Brougham/DeVille (RWD) | 4.1 L, 8 cyl | Auto 4-spd | RWD | Regular | 14 | 19 | 16 | 555 | $3,900 |
| 1984 | Brougham/DeVille (RWD) | 4.1 L, 8 cyl | Auto 4-spd | RWD | Regular | 14 | 19 | 16 | 555 | $3,900 |
CO2 is tailpipe grams per mile from the EPA test. Fuel cost per year uses the prices and miles in the calculator above (the EPA's own prices and 15,000 miles a year until you change them); blank when the fuel has no price here (hydrogen, natural gas).
Compare with other 1984 Large Cars
| Vehicle | Combined | City | Hwy |
|---|---|---|---|
| 1984 Buick Electra/Park Avenue | 24 | 21 | 31 |
| 1984 Cadillac Fleetwood/DeVille (FWD) | 24 | 21 | 31 |
| 1984 Oldsmobile Ninety-Eight II | 24 | 21 | 31 |
| 1984 Buick LeSabre | 21 | 18 | 26 |
| 1984 Chevrolet Impala/Caprice | 21 | 18 | 25 |
| 1984 Oldsmobile Delta 88 | 21 | 18 | 25 |
Questions people ask
What is the best MPG for a Cadillac Brougham/DeVille?
The most efficient Cadillac Brougham/DeVille the EPA has rated is the 1984 Brougham/DeVille (RWD) at 21 MPG combined (18 city, 26 highway).
What MPG does the 1984 Cadillac Brougham/DeVille get?
1984 Cadillac Brougham/DeVille trims range from 16 to 21 MPG combined, depending on engine, transmission and drivetrain.
Which Cadillac Brougham/DeVille has the worst fuel economy?
The 1984 Brougham/DeVille (RWD) is the lowest rated at 16 MPG combined.
How much does it cost to fuel a Cadillac Brougham/DeVille for a year?
At $4.16 a gallon for regular, $5.98 for diesel and 15,000 miles a year, the cheapest 1984 Cadillac Brougham/DeVille to fuel is the Brougham/DeVille (RWD), 4.1 L, 8 cyl (16 MPG) at $3,900 a year. The Brougham/DeVille (RWD), 5.7 L, 8 cyl, Diesel (21 MPG) costs $4,270, so the thriftier trim saves $370 a year and $1,850 over five years.
More from Cadillac: every Cadillac model. Fuel types on this model: Diesel, Regular. EPA classes: Large Cars.