McLaren GT (2020) is 846 mm (33.31 inch) longer, 368 mm (14.49 inch) wider and has 15 liters (0.53 ft3) bigger cargo space than MINI Countryman (2020).
MINI Countryman (2020) is 201 mm (7.91 inch) higher and 380 kg (838 lbs) lighter than McLaren GT (2020).