BMW 8 Series (G14) (2018) is 660 kg (1,455 lbs) lighter than Chevrolet Tahoe (2014).
Chevrolet Tahoe (2014) is 288 mm (11.34 inch) longer, 105 mm (4.13 inch) wider, 614 mm (24.17 inch) higher and has 1357 liters (47.92 ft3) bigger cargo space than BMW 8 Series (G14) (2018).