Cars.com Editors

The most fuel-efficient model-year 2017 vehicles are listed below, ranked 
 by lowest annual fuel cost as determined by the EPA.

The most fuel-efficient model-year 2018 vehicles are listed herein, ranked 
 by lowest annual fuel cost as determined by the EPA.

Each year, the EPA compiles its Fuel Economy Guide to educate car buyers 
 on fuel-efficient vehicles. Our list highlights the best and worst.

Each year, the EPA compiles its Fuel Economy Guide to educate car buyers 
 on fuel-efficient vehicles. Our list highlights the best and worst for 2018.

Leasing a car has a number of short-term benefits, but they come with a 
 price.