BMW 5 Series Touring (2017) is 33 mm (1.30 inch) longer, 179 mm (7.05 inch) higher, 125 kg (276 lbs) lighter and has 195 liters (6.89 ft3) bigger cargo space than Porsche Taycan (2020).
Porsche Taycan (2020) is 66 mm (2.60 inch) wider than BMW 5 Series Touring (2017).