Citroen C6 (2014) is 212 mm (8.35 inch) longer and 45 mm (1.77 inch) wider than Opel Astra Sports Tourer (2014).
Opel Astra Sports Tourer (2014) is 72 mm (2.83 inch) higher, 341 kg (752 lbs) lighter and has 119 liters (4.20 ft3) bigger cargo space than Citroen C6 (2014).
