2021-2027 Chevrolet Tahoe MPG & Fuel Cost

EPA rates the 2021-2027 Chevrolet Tahoe at 16–24 MPG combined across 53 configurations and 7 model years. The most efficient version, the 2027 Tahoe 3.0L 6-cyl turbo RWD, is rated 24 MPG (22 city, 26 highway). By powertrain: Gas: 16–18 MPG; Diesel: 22–24 MPG.

Every model year of the 2021-2027 Chevrolet Tahoe tops out at 24 MPG combined, so no year is better than another.

Yes. Ratings changed in 2022, 2023, 2024, 2025, 2026 and 2027.

The previous generation (2015-2020 Chevrolet Tahoe) is rated 17–19 MPG combined and costs $3,410–$4,760 a year to fuel; the 2021-2027 model is rated 16–24 MPG and costs $3,630–$5,180 a year.

Driving 15,000 miles a year at regular gasoline $4.36/gal (U.S. average, Sep 2026), the Tahoe 5.3L 8-cyl RWD costs about $3,900 a year. Across all 6 configurations the cost runs $3,900–$4,930 a year. That is a $1,030 difference between the cheapest and the costliest configuration.

About $26.00 per 100 miles for the Tahoe 5.3L 8-cyl RWD at regular gasoline $4.36/gal (U.S. average, Sep 2026), and between $26.00 and $32.87 across all configurations. That is the annual cost over 15,000 miles divided by 150.

The Tahoe 5.3L 8-cyl RWD is rated 15 city and 20 highway MPG, so it is more efficient on the highway, by 5 MPG.

The Tahoe 5.3L 8-cyl RWD costs about $3,900 a year to fuel, $740 more than the class median of $3,160, and less than 3 of 10 standard SUV configurations. The comparison covers all 184 rated standard SUV configurations for MY2027, not weighted by sales.

The most efficient configuration stays at 24 MPG. Its annual cost stays at $3,960. EPA lists 6 configurations for 2027 against 6 configurations for 2026. See the 2026 Chevrolet Tahoe for that year.