Audi R8 (2014) is 42 mm (1.65 inch) wider and 189 kg (417 lbs) lighter than BMW 8 Series (G15) (2019).
BMW 8 Series (G15) (2019) is 398 mm (15.67 inch) longer, 96 mm (3.78 inch) higher and has 321 liters (11.34 ft3) bigger cargo space than Audi R8 (2014).