Chevrolet Tahoe (2014) is 465 mm (18.31 inch) longer, 196 mm (7.72 inch) wider, 523 mm (20.59 inch) higher and has 1316 liters (46.47 ft3) bigger cargo space than Lexus IS (2017).
Lexus IS (2017) is 928 kg (2,046 lbs) lighter than Chevrolet Tahoe (2014).