2021 Chevrolet Tahoe Specs 2021 Chevrolet Tahoe Specs Chevrolet has finally revealed a new version of its Tahoe and Suburban full-size SUVs, new looks packaging, an available diesel engine, and independent rear suspension. Two carry-over V-8 engines will initially be available on the 2021 Chevrolet Tahoe Specs; a 5.3-liter with 355 hp and 383 lb-ft