Hyundai i20 (2015) is 182 mm (7.17 inch) higher, 569 kg (1,254 lbs) lighter and has 141 liters (4.98 ft3) bigger cargo space than Toyota GR Supra (2018).
Toyota GR Supra (2018) is 343 mm (13.50 inch) longer and 126 mm (4.96 inch) wider than Hyundai i20 (2015).