BMW 4 Series Gran Coupe (2017) is 579 mm (22.80 inch) longer, 46 mm (1.81 inch) wider and has 126 liters (4.45 ft3) bigger cargo space than Seat Ibiza (2020).
Seat Ibiza (2020) is 55 mm (2.17 inch) higher and 721 kg (1,590 lbs) lighter than BMW 4 Series Gran Coupe (2017).
