Citroen C5 (2014) is 401 mm (15.79 inch) longer, 163 mm (6.42 inch) higher and has 254 liters (8.97 ft3) bigger cargo space than Toyota GR Supra (2020).
Toyota GR Supra (2020) is 8 mm (0.31 inch) wider and 41 kg (90 lbs) lighter than Citroen C5 (2014).