Mercedes SLK-Class (2014) is 276 mm (10.87 inch) longer, 90 mm (3.54 inch) wider and has 89 liters (3.14 ft3) bigger cargo space than MINI Cooper (2017).
MINI Cooper (2017) is 111 mm (4.37 inch) higher and 273 kg (602 lbs) lighter than Mercedes SLK-Class (2014).