BMW 3 Series Touring (2019) is 62 mm (2.44 inch) higher, 490 kg (1,080 lbs) lighter and has 135 liters (4.77 ft3) bigger cargo space than Porsche Taycan (2020).
Porsche Taycan (2020) is 250 mm (9.84 inch) longer and 139 mm (5.47 inch) wider than BMW 3 Series Touring (2019).