BMW 4 Series (2016) is 3 mm (0.12 inch) wider and 1010 kg (2,227 lbs) lighter than Mercedes G-Class (2017).
Mercedes G-Class (2017) is 66 mm (2.60 inch) longer, 571 mm (22.48 inch) higher and has 42 liters (1.48 ft3) bigger cargo space than BMW 4 Series (2016).