Audi A6 Avant (2018) is 83 mm (3.27 inch) longer, 27 mm (1.06 inch) wider and has 13 liters (0.46 ft3) bigger cargo space than Kia Optima Sportswagon (2015).
Kia Optima Sportswagon (2015) is 2 mm (0.08 inch) higher and 360 kg (794 lbs) lighter than Audi A6 Avant (2018).
