The most fuel efficient used car is the 2004 to 2006 Toyota Scion. It gets 30 miles per gallon combined.
The most dependable fuel efficient car of 2014 is the Ford Focus.
The 2014 Chevrolet Volt is the most fuel-efficient small and mid-size passenger car.
Hyundai
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diesel will be powerful
A car has to be fuel efficient. It means it has to completely burn the fuel.
The Most Efficient Car is The Electric Car sports Car that recently came out. The last answer was terrible so i changed it but this one is probably worse.
The beetle is a fuel efficient car. 25 in the city and 32 on the highway makes is fuel efficient.
Any car that is labeled as a "hybrid" is going to be more fuel efficient. Some of the most fuel-efficient cars of 2011 are the Nissan Leaf, the Telsa Roadster, the Chevrolet Volt, the Smart car, the Toyota Prius, and the Honda Civic Hybrid.
It's a more efficient fuel.
The most fuel efficient vehicle on the road as of the present is the Toyota Prius. National statistics state that consumers are extremely happy with this vehicle.
It would have to be the mazda Miata, then the Honda s2000