Audi A4 (2015) is 88 mm (3.46 inch) higher, 528 kg (1,164 lbs) lighter and has 130 liters (4.59 ft3) bigger cargo space than BMW 8 Series (G14) (2018).
BMW 8 Series (G14) (2018) is 117 mm (4.61 inch) longer and 60 mm (2.36 inch) wider than Audi A4 (2015).
