BMW 8 Series (G15) (2019) is 174 mm (6.85 inch) longer and 644 kg (1,420 lbs) lighter than Mercedes G-Class (2018).
Mercedes G-Class (2018) is 29 mm (1.14 inch) wider, 628 mm (24.72 inch) higher and has 247 liters (8.72 ft3) bigger cargo space than BMW 8 Series (G15) (2019).