BMW 5 Series Gran Turismo (2020) is 452 mm (17.80 inch) longer, 59 mm (2.32 inch) wider, 183 mm (7.20 inch) higher and has 385 liters (13.60 ft3) bigger cargo space than Porsche 911 (2017).
Porsche 911 (2017) is 200 kg (441 lbs) lighter than BMW 5 Series Gran Turismo (2020).