Tests & Records

2021 Best and Worst Fuel Economy Vehicles

United States Environmental Protection Agency (EPA) has published the 2021 rankings of the models with the best and worst fuel economy in mpg (miles per gallon).

The TOP 5 vehicles with the best fuel efficiency include:

  1. Tesla Model 3 Long Range AWD – 134 mpg;
  2. Kandi K27 EV – 114 mpg;
  3. Tesla Model S Performance with 19-inch wheels – 110 mpg;
  4. MINI Cooper SE Hardtop 2 door – 108 mpg;
  5. Ford Mustang Mach-E RWD – 100 mpg.

If not to take into account electric vehicles, then the first five cars with the best fuel economy according to EPA are the following:

  1. Hyundai Ioniq Blue (hybrid, 1.6 L, 4 cyl) – 59 mpg;
  2. Toyota Prius Eco (hybrid, 1.8 L, 4 cyl) – 56 mpg;
  3. Toyota Corolla Hybrid (1.8 L, 4 cyl) – 52 mpg;
  4. Kia Niro FE (hybrid, 1.6 L, 4 cyl) – 50 mpg;
  5. Chevrolet Spark and Spark Active (1.4 L, 4 cyl) – 33 mpg.

The cars with the least fuel economy of just 10 mpg are:

  • Bugatti Chiron Pur Sport (8.0 L, 16-cyl, turbo);
  • Lamborghini Aventador Coupe (6.5 L, 12 cyl);
  • Lamborghini Aventador Roadster (6.5 L, 12 cyl).

Among SUVs, pickup truck, minivans (not EVs) the fuel economy leaders are:

  1. Toyota RAV4 Hybrid AWD (2.5 L, 4 cyl) – 40 mpg;
  2. Toyota Sienna Hybrid 2WD (2.5 L, 4 cyl) – 36 mpg;
  3. Toyota Highlander Hybrid AWD (2.5 L, 4 cyl) – 35 mpg;
  4. Chevrolet Silverado 2WD (3.0 L, 6 cyl diesel) – 27 mpg;
  5. Chevy Colorado 2WD and GMC Canyon 2WD (2.8 L, 4 cyl diesel) – 23 mpg.

If to take EVs into account, the Tesla Model Y Long Range AWD (125 mpg), the Tesla Model X Long Range Plus (105 mpg) and the Chrisler Pacifica Hybrid (PHEV, 3.6 L, 6 cyl) with 48 mpg should be added to the list.

The fuel economy losers among pickup trucks / SUVs are:

  • Ram 1500 TRX 4WD (6.2 L, 8 cyl) – 12 mpg;
  • Lamborghini Ulus, Lexus LX 570, Toyota Land Cruiser Wagon 4WD, Toyota Sequoia 4WD – 14 mpg;
  • BMW X3 M and X3 M Competition, BMW X4 M and X4 M Competition – 16 mpg.

You can find the entire rankings on EPA’s official website: https://www.fueleconomy.gov/feg/best-worst.shtml

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