You now have the option to buy the 2021 Chevy Tahoe and Suburban with the 3.0-liter Duramax turbo-diesel. That’s the same engine we told you the automaker put in its 2020 Chevy Silverado to rave reviews for its fuel economy. Plan on the fuel economy kudos to continue now that the 3.0-liter Duramax is available on these two models.

Chevy reports its rear-wheel drive 2021 Tahoe fitted with a Duramax diesel received an EPA-estimated 21/28 city/highway fuel economy rating. By contrast, the four-wheel drive Tahoe with the same engine won an EPA-estimated 20/26 city/highway rating.

The two-wheel drive 2021 Chevy Suburban with the 3.0-liter Duramax has an estimated 21/27 city/highway rating. The EPA-estimated fuel economy for the four-wheel drive Suburban is 20/26 city/highway.
3.0-Liter Duramax Refresher

This is Chevy’s first diesel inline-six engine for full-size SUVs, and the brand’s first diesel offered in a full-size SUV since 1999.

“The 3.0-liter Duramax turbo-diesel brings a refined engine experience to the already impressive redesign of the all-new 2021 Tahoe and Suburban,” said Bob Krapes, Chevrolet Trucks marketing director. “Combining the segment’s best fuel efficiency with increased space inside of the vehicle compared to the previous generation equals an all-new Tahoe and Suburban ready for the next long road trip or family adventure.”

Chevy engineers fitted Silverado, Tahoe, and Suburban with the 3.0-l...