Audi S6 (2014) is 233 mm (9.17 inch) longer and 60 mm (2.36 inch) wider than Opel Astra Sports Tourer (2014).
Opel Astra Sports Tourer (2014) is 95 mm (3.74 inch) higher, 420 kg (926 lbs) lighter and has 141 liters (4.98 ft3) bigger cargo space than Audi S6 (2014).
