Mazda BT-50 (2017) is 987 mm (38.86 inch) longer, 529 mm (20.83 inch) higher and has 972 liters (34.33 ft3) bigger cargo space than Toyota GR Supra (2018).
Toyota GR Supra (2018) is 157 mm (6.18 inch) wider and 466 kg (1,027 lbs) lighter than Mazda BT-50 (2017).