Audi A6 (2014) is 2 mm (0.08 inch) longer, 15 mm (0.59 inch) higher, 250 kg (551 lbs) lighter and has 131 liters (4.63 ft3) bigger cargo space than Audi S6 (2018).
Size difference at a glance
Audi A6 (2014) is 1% taller than Audi S6 (2018).
Audi A6 (2014) is 13.2% lighter than Audi S6 (2018).
Audi A6 (2014) is 32.8% larger in cargo space than Audi S6 (2018).
Summary
Audi A6 (2014) is the larger car on 3 of 4 key dimensions.
