BMW 3 Series Gran Turismo (2014) is 825 mm (32.48 inch) longer, 53 mm (2.09 inch) wider and has 260 liters (9.18 ft3) bigger cargo space than BMW i3 (2019).
BMW i3 (2019) is 70 mm (2.76 inch) higher and 490 kg (1,080 lbs) lighter than BMW 3 Series Gran Turismo (2014).