Citroen C5 (2020) is 122 mm (4.80 inch) longer, 398 mm (15.67 inch) higher, 227 kg (500 lbs) lighter and has 254 liters (8.97 ft3) bigger cargo space than Toyota GR Supra (2018).
Toyota GR Supra (2018) is 1 mm (0.04 inch) wider than Citroen C5 (2020).