Mercedes A-Class (2019) is 558 mm (21.97 inch) longer, 96 mm (3.78 inch) wider, 44 mm (1.73 inch) higher and has 100 liters (3.53 ft3) bigger cargo space than MINI Roadster (2014).
MINI Roadster (2014) is 150 kg (331 lbs) lighter than Mercedes A-Class (2019).