BMW 4 Series (2016) is 995 kg (2,194 lbs) lighter than Mercedes GL-Class (2015).
Mercedes GL-Class (2015) is 448 mm (17.64 inch) longer, 128 mm (5.04 inch) wider, 467 mm (18.39 inch) higher and has 235 liters (8.30 ft3) bigger cargo space than BMW 4 Series (2016).