BMW 3 Series Touring (2018) is 265 mm (10.43 inch) longer, 137 mm (5.39 inch) higher and has 310 liters (10.95 ft3) bigger cargo space than Toyota GR Supra (2019).
Toyota GR Supra (2019) is 49 mm (1.93 inch) wider and 125 kg (276 lbs) lighter than BMW 3 Series Touring (2018).