Audi A6 Avant (2018) is 76 mm (2.99 inch) longer, 16 mm (0.63 inch) wider, 18 mm (0.71 inch) higher and has 3 liters (0.11 ft3) bigger cargo space than Volkswagen Arteon (2020).
Volkswagen Arteon (2020) is 82 kg (181 lbs) lighter than Audi A6 Avant (2018).
