BMW 5 Series (2014) is 153 mm (6.02 inch) higher and 94 kg (207 lbs) lighter than BMW 8 Series (G16) (2019).
BMW 8 Series (G16) (2019) is 83 mm (3.27 inch) longer, 32 mm (1.26 inch) wider and has 1 liters (0.04 ft3) bigger cargo space than BMW 5 Series (2014).