BMW 3 Series Gran Turismo (2018) is 986 mm (38.82 inch) longer, 101 mm (3.98 inch) wider, 93 mm (3.66 inch) higher and has 115 liters (4.06 ft3) bigger cargo space than MINI Countryman (2019).
MINI Countryman (2019) is 544 kg (1,199 lbs) lighter than BMW 3 Series Gran Turismo (2018).