Hyundai i40 (2015) is 150 mm (5.91 inch) longer, 37 mm (1.46 inch) wider, 15 mm (0.59 inch) higher and has 157 liters (5.54 ft3) bigger cargo space than Subaru Impreza GJ (2016).
Subaru Impreza GJ (2016) is 472 kg (1,041 lbs) lighter than Hyundai i40 (2015).