Citroen C5 (2017) is 81 mm (3.19 inch) longer and 46 mm (1.81 inch) wider than Opel Astra Sports Tourer (2014).
Opel Astra Sports Tourer (2014) is 77 mm (3.03 inch) higher, 145 kg (320 lbs) lighter and has 101 liters (3.57 ft3) bigger cargo space than Citroen C5 (2017).