BMW 3 Series Gran Turismo (2019) is 130 mm (5.12 inch) higher, 405 kg (893 lbs) lighter and has 155 liters (5.47 ft3) bigger cargo space than Porsche Taycan (2019).
Porsche Taycan (2019) is 139 mm (5.47 inch) longer and 138 mm (5.43 inch) wider than BMW 3 Series Gran Turismo (2019).