BMW X4 (2017) is 210 mm (8.27 inch) higher, 140 kg (309 lbs) lighter and has 100 liters (3.53 ft3) bigger cargo space than Mercedes S-Class Coupe (2015).
Mercedes S-Class Coupe (2015) is 355 mm (13.98 inch) longer and 16 mm (0.63 inch) wider than BMW X4 (2017).