BMW 4 Series (2015) is 652 mm (25.67 inch) longer, 140 mm (5.51 inch) wider, 15 kg (33 lbs) lighter and has 109 liters (3.85 ft3) bigger cargo space than Hyundai i20 Coupe (2018).
Hyundai i20 Coupe (2018) is 65 mm (2.56 inch) higher than BMW 4 Series (2015).