Citroen C1 (2020) is 176 mm (6.93 inch) higher, 673 kg (1,484 lbs) lighter and has 11 liters (0.39 ft3) bigger cargo space than Toyota GR Supra (2020).
Toyota GR Supra (2020) is 912 mm (35.91 inch) longer and 240 mm (9.45 inch) wider than Citroen C1 (2020).