BMW 8 Series (G14) (2020) is 775 mm (30.51 inch) longer and 122 mm (4.80 inch) wider than Seat Ibiza (2017).
Seat Ibiza (2017) is 105 mm (4.13 inch) higher, 842 kg (1,856 lbs) lighter and has 5 liters (0.18 ft3) bigger cargo space than BMW 8 Series (G14) (2020).