Mercedes SLK-Class (2014) is 296 mm (11.65 inch) longer and 90 mm (3.54 inch) wider than MINI Hardtop 4 Door (2017).
MINI Hardtop 4 Door (2017) is 112 mm (4.41 inch) higher, 273 kg (602 lbs) lighter and has 36 liters (1.27 ft3) bigger cargo space than Mercedes SLK-Class (2014).