BMW 3 Series Gran Turismo (2018) is 484 mm (19.06 inch) longer, 33 mm (1.30 inch) wider, 53 mm (2.09 inch) higher and has 140 liters (4.94 ft3) bigger cargo space than Hyundai i30 (2020).
Hyundai i30 (2020) is 459 kg (1,012 lbs) lighter than BMW 3 Series Gran Turismo (2018).