BMW 1 Series (2014) is 119 mm (4.69 inch) higher, 129 kg (284 lbs) lighter and has 175 liters (6.18 ft3) bigger cargo space than Toyota GR Supra (2019).
Toyota GR Supra (2019) is 18 mm (0.71 inch) longer and 112 mm (4.41 inch) wider than BMW 1 Series (2014).