BMW 7 Series (2019) is 157 mm (6.18 inch) longer, 89 mm (3.50 inch) higher, 165 kg (364 lbs) lighter and has 150 liters (5.30 ft3) bigger cargo space than Porsche Taycan (2020).
Porsche Taycan (2020) is 64 mm (2.52 inch) wider than BMW 7 Series (2019).