Mercedes E-Class (Estate) (2020) is 1161 mm (45.71 inch) longer, 170 mm (6.69 inch) wider, 107 mm (4.21 inch) higher and has 429 liters (15.15 ft3) bigger cargo space than MINI Roadster (2014).
MINI Roadster (2014) is 666 kg (1,468 lbs) lighter than Mercedes E-Class (Estate) (2020).