1984 rankings · Large Cars
Most Fuel-Efficient 1984 Large Cars, Ranked
We ranked all 23 EPA-rated 1984 large cars by what they cost to fuel. The Buick Electra/Park Avenue Diesel leads at about $2,312 a year (24 MPG), while the Rolls-Royce Silver Spur Limousine is the most expensive to run at $5,812 (8 MPG). The median large car costs $2,735 a year to fuel. The class includes 0 electric and 2 hybrid or plug-in models.
Fuel costs assume 15,000 miles a year at $3.10/gal regular, $3.95/gal premium and 18¢/kWh. Each model is shown in its most efficient configuration.
Top 15
Annual fuel cost (lower is better)All 23 models
| # | Model | Type | Combined | Range | Fuel / yr |
|---|---|---|---|---|---|
| 1 | Buick Electra/Park Avenue Diesel | Diesel | 24 MPG | — | $2,312 |
| 2 | Cadillac Fleetwood/DeVille Diesel | Diesel | 24 MPG | — | $2,312 |
| 3 | Oldsmobile Ninety-Eight II | Diesel | 24 MPG | — | $2,312 |
| 4 | Buick LeSabre Diesel | Diesel | 21 MPG | — | $2,643 |
| 5 | Oldsmobile Ninety-Eight Diesel | Diesel | 21 MPG | — | $2,643 |
| 6 | Chevrolet Impala/Caprice Diesel | Diesel | 21 MPG | — | $2,643 |
| 7 | Pontiac Parisienne Diesel | Diesel | 21 MPG | — | $2,643 |
| 8 | Cadillac Brougham/DeVille Diesel | Diesel | 21 MPG | — | $2,643 |
| 9 | Oldsmobile Delta 88 Diesel | Diesel | 21 MPG | — | $2,643 |
| 10 | Buick LeSabre | Gas | 17 MPG | — | $2,735 |
| 11 | Chevrolet Impala/Caprice | Gas | 17 MPG | — | $2,735 |
| 12 | Chevrolet Impala/Caprice Hybrid | Hybrid | 17 MPG | — | $2,735 |
| 13 | Pontiac Parisienne | Gas | 17 MPG | — | $2,735 |
| 14 | Pontiac Parisienne Hybrid | Hybrid | 17 MPG | — | $2,735 |
| 15 | Oldsmobile Delta 88 | Gas | 17 MPG | — | $2,735 |
| 16 | Ford LTD Crown Victoria | Gas | 16 MPG | — | $2,906 |
| 17 | Mercury Grand Marquis | Gas | 16 MPG | — | $2,906 |
| 18 | Lincoln Town Car | Gas | 16 MPG | — | $2,906 |
| 19 | Oldsmobile Ninety-Eight | Gas | 16 MPG | — | $2,906 |
| 20 | Buick Electra/Park Avenue | Gas | 16 MPG | — | $2,906 |
| 21 | Cadillac Brougham/DeVille | Gas | 16 MPG | — | $2,906 |
| 22 | Cadillac Limousine | Gas | 9 MPG | — | $5,167 |
| 23 | Rolls-Royce Silver Spur Limousine | Gas | 8 MPG | — | $5,812 |