BMW 7 Series (2020) is 106 mm (4.17 inch) longer, 50 mm (1.97 inch) higher and has 70 liters (2.47 ft3) bigger cargo space than Porsche Panamera (2016).
Porsche Panamera (2016) is 28 mm (1.10 inch) wider and 201 kg (443 lbs) lighter than BMW 7 Series (2020).