BMW 8 Series (G15) (2018) is 656 kg (1,446 lbs) lighter than Mercedes GL-Class (2020).
Mercedes GL-Class (2020) is 303 mm (11.93 inch) longer, 96 mm (3.78 inch) wider, 509 mm (20.04 inch) higher and has 260 liters (9.18 ft3) bigger cargo space than BMW 8 Series (G15) (2018).