BMW 8 Series (G16) (2019) is 686 kg (1,512 lbs) lighter than Mercedes GL-Class (2020).
Mercedes GL-Class (2020) is 64 mm (2.52 inch) longer, 66 mm (2.60 inch) wider, 443 mm (17.44 inch) higher and has 240 liters (8.48 ft3) bigger cargo space than BMW 8 Series (G16) (2019).