Mercedes SLK-Class (2017) is 400 mm (15.75 inch) longer, 133 mm (5.24 inch) wider and has 94 liters (3.32 ft3) bigger cargo space than MINI Roadster (2014).
MINI Roadster (2014) is 86 mm (3.39 inch) higher and 210 kg (463 lbs) lighter than Mercedes SLK-Class (2017).