Top Ten Highest Fuel Economy and MPG Ratings for 2011 Cars Which ten 2011 cars rank the highest for miles per gallon? A list of 2011 cars with the best fuel economy ratings.

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fueleconomy.gov, the official US government source for vehicle fuel economy information, has released its list of the top ten most fuel-efficient 2011 vehicles. The ranking is based on 45% highway driving and 55% city driving. Adjustments are made for vehicles that require diesel, premium, or mid-grade fuel.

Nine of the ten vehicles on the 2011 list have hybrid engines, compared to five out of ten just a year ago; a clear sign that hybrid technology is maturing and gaining acceptance.

1. 2011 Toyota Prius Hybrid: 51 City, 48 Highway
2. 2011 Ford Fusion Hybrid (rebadged as Mercury Milan & Lincoln MKZ): 41 City, 36 Highway
3. 2011 Honda Civic Hybrid & Insight Hybrid: 40 City, 43 Highway
4. 2011 Honda CR-Z Hybrid (Automatic): 35 City, 39 Highway
5. 2011 Lexus HS 250h Hybrid: 35 City, 34 Highway
6. 2011 Ford Escape Hybrid FWD (rebadged as Mazda Tribute & Mercury Mariner): 34 City, 31 Highway
7. 2011 smart fortwo cabriolet/coupe : 33 City, 41 Highway
8. 2011 Nissan Altima Hybrid: 33 City, 33 Highway
9. 2011 Lexus RX 450h Hybrid: 32 City, 28 Highway
10. 2011 Honda CR-Z Hybrid (Manual): 31 City, 37 Highway