| 2006 Most and Least Fuel Efficient Vehicles | ||||
| (ranked by city mpg) | ||||
| MOST EFFICIENT OVERALL | MPG | |||
| City | Hwy | |||
| 60 | 66 | |||
| HONDA INSIGHT | ||||
| Most and Least Fuel Efficient Cars | MPG | |||
| (by EPA Size Class) | City | Hwy | ||
| Most Efficient Two Seaters | ||||
| 60 | 66 | |||
| Honda Insight | ||||
| 3 cyl, 1 L, Manual(5) | ||||
| Honda Insight | 57 | 56 | ||
| 3 cyl, 1 L, Automatic(variable) | ||||
| Most Efficient Minicompact Cars | ||||
| 28 | 36 | |||
| MINI Cooper | ||||
| 4 cyl, 1.6 L, Manual(5), Premium | ||||
| MINI Cooper | 26 | 34 | ||
| 4 cyl, 1.6 L, Automatic(variable), Premium | ||||
| Most Efficient Subcompact Cars | ||||
| 37 | 44 | |||
| VW New Beetle (Diesel) | ||||
| 4 cyl, 1.9 L, Manual(5) | ||||
| VW New Beetle (Diesel) | 35 | 42 | ||
| 4 cyl, 1.9 L, Automatic(6) | ||||
| Most Efficient Compact Cars | ||||
| 49 | 51 | |||
| Honda Civic Hybrid | ||||
| 4 cyl, 1.3 L, Automatic(variable) | ||||
| 37 | 44 | |||
| VW Golf (Diesel) | ||||
| 4 cyl, 1.9 L, Manual(5) | ||||
| Most Efficient Midsize Cars | ||||
| 60 | 51 | |||
| Toyota Prius (Hybrid) | ||||
| 4 cyl, 1.5 L, Automatic(Variable), Regular | ||||
| 27 | 34 | |||
| Hyundai Elantra | ||||
| 4 cyl, 2 L, Manual(5), Regular | ||||
| Most Efficient Large Cars | ||||
| Hyundai Sonata | 24 | 34 | ||
| 4 cyl, 2.4 L, Manual(5), Regular | ||||
| Hyundai Sonata | 24 | 33 | ||
| 4 cyl, 2.4 L, Automatic(4), Regular | ||||
| Most Efficient Small Station Wagons | ||||
| 30 | 36 | |||
| Pontiac Vibe | ||||
| 4 cyl, 1.8 L, Manual(5), Regular | ||||
| 30 | 36 | |||
| Toyota Matrix | ||||
| 4 cyl, 1.8 L, Manual(5), Regular | ||||
| 30 | 34 | |||
| Scion xB | ||||
| 4 cyl, 1.5 L, Automatic(4), Regular | ||||
| Most Efficient Midsize Station Wagons | ||||
| 26 | 34 | |||
| Ford Focus Station Wagon | ||||
| 4 cyl, 2 L, Manual(5), Regular | ||||
| Ford Focus Station Wagon | 26 | 32 | ||
| 4 cyl, 2 L, Automatic(4), Regular | ||||
| Least Fuel Efficient Cars | ||||
| Least Efficient Two Seaters | ||||
| Bugatti Veyron , 16cyl, 8 L, Auto(6) | 8 | 15 | ||
| Least Efficient Minicompact Cars | ||||
| Aston Martin V12 Vanquish S, 12cyl, 5.9 L, Auto(S6) | 11 | 17 | ||
| Least Efficient Subcompact Cars | ||||
| Maserati Coupe Cambiocorsa/qt/q-sport, | 12 | 19 | ||
| 8 cyl, 4.2 L, Auto(S6) | ||||
| Least Efficient Compact Cars | ||||
| Bentley Continental GT, 12cyl, 6L, Auto(6) | 12 | 19 | ||
| Least Efficient Midsize Cars | ||||
| Bentley Arnage, 8 cyl, 6.8 L, Auto(4) | 10 | 14 | ||
| Least Efficient Large Cars | ||||
| Bentley Arnage LWB, 8 cyl, 6.8 L, Auto(4) | 10 | 14 | ||
| Least Efficient Small Station Wagons | ||||
| Audi S4 Avant, 8 cyl, 4.2 L, Man(6) | 15 | 21 | ||
| Least Efficient Midsize Station Wagons | ||||
| Mercedes-Benz E55 AMG, 8 cyl, 5.4 L, Auto(S5) | 15 | 21 | ||