BMW 8 Series (G16) (2020) is 1023 mm (40.28 inch) longer, 152 mm (5.98 inch) wider and has 85 liters (3.00 ft3) bigger cargo space than Seat Ibiza (2017).
Seat Ibiza (2017) is 37 mm (1.46 inch) higher and 818 kg (1,803 lbs) lighter than BMW 8 Series (G16) (2020).