Peugeot 508 (2020) is 452 mm (17.80 inch) longer, 195 mm (7.68 inch) higher, 54 kg (119 lbs) lighter and has 345 liters (12.18 ft3) bigger cargo space than Toyota GR Supra (2019).
Toyota GR Supra (2019) is 32 mm (1.26 inch) wider than Peugeot 508 (2020).