The new 2021 Chevy Tahoe Diesel and Suburban Diesel are getting very close to production, and now we have their official U.S.-spec MPG ratings from the EPA. The engine in question is the 3.0-liter turbo-diesel I6 with 277 horsepower and 460 lb-ft of torque. This engine initially made its debut in the new Chevy Silverado 1500 and GMC Sierra 1500 trucks.
If you were expecting the same 33 MPG on the highway as the Silverado 1500 Diesel, it’s not the case. The new 2021 Chevy Tahoe 2WD Diesel is rated at still very respectable 21 MPG city / 28 MPG highway / 24 MPG combined. Tahoe 4×4 Diesel ratings are not available yet. The diesel ratings for the GMC Yukon Diesel and the Cadillac Escalade Diesel are listed below as well for comparison.
The slightly heavier 2021 GMC Yukon Diesel, Escalade Diesel, and Chevy Suburban Diesel (2WD models) all get the same 21 MPG city / 27 MPG highway / 23 MPG combined.
No mater what, the 2021 Tahoe Diesel is by far the most fuel efficient ful-size SUV of them all! Here is how it compares against competition. When you are talking about big three-row truck-based SUVs that can tow a lot – 24 MPG combined is now the benchmark to beat.
Here is our recent Ike Gauntlet – world’s toughest towing test – video with the new 2021 Chevy Suburban 6.2L gas V8. We plan to film an Ike Gauntlet with a Tahoe Diesel within the next several weeks. Please stay tuned for that!