The most fuel efficient cars can be compared using the motoring magazines but for comparisons tailored to specific vehicle usage, you cannot beat the comparison websites.
Some of the most fuel efficient cars are the smart cars like 2013 Smart ForTwo, Honda Fit EV, and the Scion iQ. These cars are electric so the fuel they use is used to create the electricity they run on.
The 2013 SUV that is most fuel efficient is none of them. Big cars are never good on gas. you're stupid. go get your head checked. In this case, bigger is not better, but less is more.
The Chevy Volt looks to have the most fuel efficient MPG for the most car. In order to get the most out of your purchase the vehicle still needs to be large enough to fit things in but still have the fuel efficiency desired by consumers.
http://www.fueleconomy.gov/feg/best/bestworstnf.shtml is the government website for fuel rankings and this is the direct link to the list of the most fuel efficient cars!
There are several places you can look online to find a list of the most fuel efficient cars. Check FuelEconomy.gov, they have a pretty extensive list. CNN recently did a story on the eight most fuel efficient cars. Check out their report.
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.
The most fuel efficient cars on the road are smaller cars with either hybrid (gas/electric) or diesel engines. Examples of such cars are the popular Toyota Prius(44/mpg) or the Volkswagen Jetta(34/mpg) diesel.
most deisle cars and smart cars. *please add to this answer I know there's more
The most fuel efficient vehicles on the market today are usually hybrids. However, many small and economy sized vehicles on the market are not hybrids but are very fuel efficient as well.
Www.utoGuide.com has a list of the top ten most fuel efficient pickup trucks for 2013. Www.shopautoweek.com also has a list of its top four most fuel efficient pickup trucks.
Energy efficient cars are cars that gives you the most amount of travel for each unit of fuel that they use. The difference from conventional cars is that they give you more travel per unit of fuel than conventional cars do.
The most energy efficient car available is the Toyota Prius. Please see the following, for additional information: www.thesupercars.org/top-cars/most-fuel-efficient-cars