BMW X4 (2017) is 537 mm (21.14 inch) longer, 64 mm (2.52 inch) wider, 321 mm (12.64 inch) higher and has 165 liters (5.83 ft3) bigger cargo space than Mercedes SLK-Class (2014).
Mercedes SLK-Class (2014) is 355 kg (783 lbs) lighter than BMW X4 (2017).