BMW 4 Series (2020) is 44 mm (1.73 inch) higher, 323 kg (712 lbs) lighter and has 90 liters (3.18 ft3) bigger cargo space than BMW 8 Series (G14) (2019).
BMW 8 Series (G14) (2019) is 75 mm (2.95 inch) longer and 50 mm (1.97 inch) wider than BMW 4 Series (2020).
