Least fuel-efficient large cars of 2005
Among 10 large cars from 2005 in the database (one per model family), the 2005 Maserati Quattroporte is the least fuel-efficient at 19.6 l/100km, against a class average of 12.8 l/100km. The spread from best to worst is 10.7–19.6 l/100km. Electric vehicles are ranked separately by range.
Ranked10one per model family
Average12.8 l/100km
Leader2005 Maserati Quattroporte
Top 10
Full ranking
| # | Vehicle | Combined | vs avg | CO2 | Weight | Recalls | NCAP |
|---|---|---|---|---|---|---|---|
| 1 | 2005 Maserati Quattroporte | 19.6 l/100km | +53% | 460.2 g/km | — | 1 | — |
| 2 | 2005 Cadillac DeVille | 12.4 l/100km | -3% | 290.6 g/km | — | 1 | — |
| 3 | 2005 Ford Crown Victoria | 12.4 l/100km | -3% | 290.6 g/km | — | 6 | — |
| 4 | 2005 Ford Five Hundred AWD | 12.4 l/100km | -3% | 290.6 g/km | — | 3 | — |
| 5 | 2005 Lincoln Town Car | 12.4 l/100km | -3% | 290.6 g/km | — | 3 | — |
| 6 | 2005 Mercury Grand Marquis | 12.4 l/100km | -3% | 290.6 g/km | — | 5 | — |
| 7 | 2005 Mercury Montego AWD | 12.4 l/100km | -3% | 290.6 g/km | — | 2 | — |
| 8 | 2005 Ford Taurus | 11.8 l/100km | -8% | 276.1 g/km | — | 1 | — |
| 9 | 2005 Chevrolet Impala | 11.2 l/100km | -12% | 263 g/km | — | 4 | — |
| 10 | 2005 Toyota Avalon | 10.7 l/100km | -16% | 251 g/km | — | 7 | — |
Related rankings
How this ranking works
Values come from FuelEconomy.gov, EPA certification data and NHTSA records shown on each vehicle's page. Only the best-placed version of each model family is listed, so one model cannot fill the list. Electric vehicles are excluded from fuel-consumption rankings and ranked by range instead.
Related calculators
Fuel economy and trip costFuel economy unit converter · Trip fuel and cost · Annual savings from better economyFuel savings and break-evenBreak-even distance for a more economical vehicle · Fuel price at which two vehicles cost the same · Running cost per 100 kmPower-to-weightPower-to-weight ratio · Torque-to-weight ratio · Power needed for a target ratioEV range and consumptionDriving range from battery and consumption · Energy consumption unit converter · Battery health and capacity loss
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