BMW 5 Series Gran Turismo (2018) is 90 mm (3.54 inch) higher, 441 kg (972 lbs) lighter and has 165 liters (5.83 ft3) bigger cargo space than Porsche Taycan (2020).
Porsche Taycan (2020) is 20 mm (0.79 inch) longer and 99 mm (3.90 inch) wider than BMW 5 Series Gran Turismo (2018).