BMW 3 Series Gran Turismo (2019) is 1090 mm (42.91 inch) longer, 144 mm (5.67 inch) wider, 119 mm (4.69 inch) higher and has 279 liters (9.85 ft3) bigger cargo space than MINI Roadster (2015).
MINI Roadster (2015) is 490 kg (1,080 lbs) lighter than BMW 3 Series Gran Turismo (2019).