BMW 5 Series Gran Turismo (2018) is 882 mm (34.72 inch) longer, 174 mm (6.85 inch) wider, 23 mm (0.91 inch) higher and has 238 liters (8.40 ft3) bigger cargo space than Seat Ibiza (2015).
Seat Ibiza (2015) is 650 kg (1,433 lbs) lighter than BMW 5 Series Gran Turismo (2018).