MINI Roadster (2014) is 97 mm (3.82 inch) higher, 384 kg (847 lbs) lighter and has 56 liters (1.98 ft3) bigger cargo space than Toyota GR Supra (2019).
Toyota GR Supra (2019) is 644 mm (25.35 inch) longer and 176 mm (6.93 inch) wider than MINI Roadster (2014).