Kia Pro Ceed (2017) is 175 mm (6.89 inch) wider, 178 mm (7.01 inch) higher, 428 kg (944 lbs) lighter and has 195 liters (6.89 ft3) bigger cargo space than Toyota GR Supra (2020).
Toyota GR Supra (2020) is 68 mm (2.68 inch) longer than Kia Pro Ceed (2017).