BMW 8 Series (G14) (2018) is 657 kg (1,448 lbs) lighter than Mercedes GL-Class (2020).
Mercedes GL-Class (2020) is 303 mm (11.93 inch) longer, 96 mm (3.78 inch) wider, 511 mm (20.12 inch) higher and has 330 liters (11.65 ft3) bigger cargo space than BMW 8 Series (G14) (2018).