GM and Ford are the most fuel efficient in terms of trucks and suvs, Toyota and Honda may make the civic and prius hybrids but their engine technology is lagging, the compact Toyota Tacoma pickup with a 4.0 liter v6 has the same fuel efficiency at 19 mpg as a full size 5.3 liter v8 Chevy silverado. Gm also makes the yukon, tahoe, escalade, sierra, and silvarado hybrids which get mpg rating in the mid 20's which is that of a small Toyota Camry as full sized pickup trucks and SUVS. Ford is also innovating on their hybrid technology with the ford escape hybrid SUV which gets over 30 mpg. Fords F series line is also onbe of the must effiecent solutions for thousands of businesses with it clean effiecent diseal technology. People need to face it that not everyone can drive a small prius, many need to haul large loads or tow trailers that's where ford and GM crush the foreign competition.
mostly skoda for diesel engined cars.
Mercedes benz, mostly the SLR McLaren
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.
The most fuel efficient used car is the 2004 to 2006 Toyota Scion. It gets 30 miles per gallon combined.
Hyundai
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diesel will be powerful
According to statistics, the brand of vehicles with the top rated most fuel efficient cars would be Toyota. They have been rated worldwide for fuel economy.
A car has to be fuel efficient. It means it has to completely burn the fuel.
The beetle is a fuel efficient car. 25 in the city and 32 on the highway makes is fuel efficient.
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.