Hyundai i40 (2020) is 165 mm (6.50 inch) longer, 19 mm (0.75 inch) wider, 142 kg (313 lbs) lighter and has 185 liters (6.53 ft3) bigger cargo space than Subaru Impreza WRX (2017).
Subaru Impreza WRX (2017) is 5 mm (0.20 inch) higher than Hyundai i40 (2020).