Audi A6 (2019) is 725 mm (28.54 inch) longer, 108 mm (4.25 inch) wider and has 100 liters (3.53 ft3) bigger cargo space than Volkswagen Golf GTI (2014).
Volkswagen Golf GTI (2014) is 11 mm (0.43 inch) higher and 330 kg (728 lbs) lighter than Audi A6 (2019).
