CARS.COM — The most fuel-efficient model-year 2018 vehicles are listed below, ranked by lowest annual fuel cost as determined by the EPA. Find and compare estimates for all vehicles at fueleconomy.gov.
All mpg figures are from the EPA and U.S. Department of Energy.
Annual fuel-cost estimates are EPA calculations based on the assumptions that you travel 15,000 miles per year (55 percent city, 45 percent highway) and that fuel costs are $3.61 a gallon for regular unleaded gasoline.
Cars.com’s Editorial department is your source for automotive news and reviews. In line with Cars.com’s long-standing ethics policy, editors and reviewers don’t accept gifts or free trips from automakers. The Editorial department is independent of Cars.com’s advertising, sales and sponsored content departments.