What Are the Most Fuel-Efficient Cars for 2020?

2020 Hyundai Ioniq Hybrid rear badging and taillight 2020 Hyundai Ioniq Hybrid | Manufacturer image

Gas may be especially cheap, but looking to save a little money never goes out of style — and when it comes to fuel efficiency, some vehicles are much better at saving you gas money than others.

Related: 2020 Best Eco-Friendly Car of the Year

Shop the 2020 Toyota Prius near you

2020 Toyota Prius LE
67,400 mi.
Fair Deal
2020 Toyota Prius Limited
134,876 mi.
$22,999 $500 price drop
Fair Deal
Hot Car

Check out the EPA’s list of the top five most fuel-efficient model-year 2020 new cars on sale today. (Note: This list is composed of gas-electric hybrids without a plug.)

1. Hyundai Ioniq 

Front angle view of a 2020 Hyundai Ioniq Hybrid 2020 Hyundai Ioniq Hybrid | Manufacturer image

Hyundai’s hybrid hatchback is powered by a 1.6-liter four-cylinder and a lithium-polymer battery pack. The Blue trim level gets the best mileage; it’s EPA rated at 57/59/58 city/highway/combined mpg. Other trim levels of the Ioniq hybrid get slightly lower fuel economy. Prices start at $24,175 (all prices include destination charge).

2. Toyota Prius

Side view of a 2020 Toyota Prius in the rain 2020 Toyota Prius | Manufacturer image

In base trim, Toyota’s hybrid hatchback is EPA rated 58/53/56 mpg. Power comes from a 1.8-liter four-cylinder engine that pairs with electric motors. Front-drive models use a lithium-ion pack; AWD versions use a nickel-metal-hydride battery pack. Prices start at $25,320.

3. Honda Insight

Rear angle view of a 2020 Honda Insight 2020 Honda Insight | Manufacturer image

Honda’s hybrid hatchback gets power from a 1.5-liter four-cylinder engine and a lithium-ion battery pack. It’s EPA rated at 55/49/52 mpg and starts at $23,885.

4. Toyota Corolla Hybrid 

Side view of a blue 2020 Toyota Corolla Hybrid 2020 Toyota Corolla Hybrid | photo by Christian Lantry

Toyota’s compact hybrid sedan uses a 1.8-liter four-cylinder gas engine that pairs with two electric motors; it has an EPA rating of 53/52/52 mpg. Prices start at $24,095.

5. Hyundai Sonata Hybrid

Rear view of a gray Hyundai Sonata Hybrid 2020 Hyundai Sonata Hybrid | photo by Mike Hanley

This mid-size sedan uses a 2.0-liter direct-injection four-cylinder gasoline engine mated to an electric motor and a six-speed automatic transmission. Its EPA rated at 50/54/52 mpg. Prices start at $27,750 for the base Blue trim. 

Didn’t find what you’re looking for on this list? Check out’s list of 2020 SUVs with the best fuel economy and 2020 sedans with the highest mpg.

More From’s Editorial department is your source for automotive news and reviews. In line with’s long-standing ethics policy, editors and reviewers don’t accept gifts or free trips from automakers. The Editorial department is independent of’s advertising, sales and sponsored content departments.

Photo of Jennifer Geiger
News Editor Jennifer Geiger joined the automotive industry in 2003, much to the delight of her Corvette-obsessed dad. Jennifer is an expert reviewer, certified car-seat technician and mom of three. She wears a lot of hats — many of them while driving a minivan. Email Jennifer Geiger

Latest expert reviews