INFINITI QX30 (2017) is 46 mm (1.81 inch) longer, 204 mm (8.03 inch) higher, 141 kg (311 lbs) lighter and has 358 liters (12.64 ft3) bigger cargo space than Toyota GR Supra (2018).
Toyota GR Supra (2018) is 54 mm (2.13 inch) wider than INFINITI QX30 (2017).