2001 Honda Insight gets 52 mpg combined (48 mpg city, 58 mpg highway). | Antony Ingram/High Gear Media

Why Cars Don't Get 80 Miles Per Gallon: 4 Reasons

To date, nothing beats a 15-year-old Honda Insight in MPG. Why not?

May 2, 2014
1:50 PM EDT
The 4-cylinder Honda CR V gets the best gas mileage for an all-gas-powered car. | Honda
Corvettes do not get high gas mileage, but they sure are pretty. | DSC
Going from an all-gasoline-powered car to a hybrid like a Prius could save a driver hundreds of dollars a year on fuel. | Toyota
The Chevy Volt is all-electric. | Chevrolet
The BMW 328 328d X Drive is a larger, gas-powered vehicle that uses diesel fuel to get 35 mpg combined. | BMW