2021 Chevy Tahoe and Suburban Diesel Fuel Economy Is Impressive for Big SUVs

 |  |  |  |  |  |  December 4, 2020

by Shane McGlaun
2021 Chevy Tahoe and Suburban Diesel Fuel Economy Is Impressive for Big SUVs

The 2021 Chevrolet Tahoe and Suburban are the first full-size SUVs in their class to offer turbodiesel power. Chevy offers the 3.0-liter Duramax inline-six-cylinder engine as a fuel-efficient alternative to the standard 5.3-liter or upgraded 6.2-liter V8. The EPA has released fuel economy estimates for both diesel vehicles, and they’re impressive for full-sized SUVs.

The Chevrolet Tahoe two-wheel-drive fitted with the Duramax gets 28 MPG on the highway, 21 MPG in the city, and 24 MPG combined. Four-wheel-drive buyers get a bit less fuel economy at 26 MPG Highway, 20 MPG city, and 22 MPG combined. Fuel economy numbers for the larger Suburban are very close to those of the Tahoe.

The Suburban two-wheel-drive gets 27 MPG Highway, 21 MPG city, and 23 MPG combined. Four-wheel-drive versions are rated at 26 MPG Highway, 20 MPG city, and 22 MPG combined. 2021 marks the first time Chevrolet has offered diesel power in a full-sized SUV since 1999.

The 3.0-liter turbodiesel is paired with a 10-speed automatic transmission and produces 277 horsepower and 460 pound-foot torque. The Duramax diesel engine adds $995 to the price compared to the 5.3-liter V8, and is $1500 less than the 6.2-liter V8.

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