The 2021 Chevrolet Tahoe is available as a 4-door, 9-seat sport utility. Starting at $49,000, the 2021 Chevrolet Tahoe LS 4x2 is powered by a 5.3L, 8-cylinder engine mated to an automatic transmission that returns an EPA estimated 16-mpg in the city and 20-mpg on the highway. The top of the line 2021 Chevrolet Tahoe Police Vehicle 4x4, priced at $51,000, is powered by a 5.3L, 8-cylinder engine mated to an automatic transmission that returns an EPA estimated 16-mpg in the city and 20-mpg on the highway.