BMW 3 Series Gran Turismo (2021) is 131 mm (5.16 inch) higher, 560 kg (1,235 lbs) lighter and has 156 liters (5.51 ft3) bigger cargo space than Porsche Taycan (2020).
Porsche Taycan (2020) is 137 mm (5.39 inch) longer and 137 mm (5.39 inch) wider than BMW 3 Series Gran Turismo (2021).