Audi A6 Avant (2018) is 41 mm (1.61 inch) longer, 28 mm (1.10 inch) wider, 33 mm (1.30 inch) higher and has 161 liters (5.69 ft3) bigger cargo space than Nissan Maxima (2020).
Nissan Maxima (2020) is 336 kg (741 lbs) lighter than Audi A6 Avant (2018).
