BMW X1 (2018) is 11 mm (0.43 inch) wider, 189 mm (7.44 inch) higher, 80 kg (176 lbs) lighter and has 149 liters (5.26 ft3) bigger cargo space than Mercedes C-Class (Coupe) (2017).
Mercedes C-Class (Coupe) (2017) is 247 mm (9.72 inch) longer than BMW X1 (2018).