BMW 4 Series (2016) is 29 mm (1.14 inch) longer and 883 kg (1,947 lbs) lighter than Mercedes G-Class (2018).
Mercedes G-Class (2018) is 61 mm (2.40 inch) wider, 586 mm (23.07 inch) higher and has 222 liters (7.84 ft3) bigger cargo space than BMW 4 Series (2016).