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