Audi A6 (2016) is 894 mm (35.20 inch) longer, 139 mm (5.47 inch) wider and has 146 liters (5.16 ft3) bigger cargo space than Chevrolet Sonic (Hatchback) (2016).
Chevrolet Sonic (Hatchback) (2016) is 51 mm (2.01 inch) higher and 710 kg (1,565 lbs) lighter than Audi A6 (2016).
