Audi A7 Sportback (2017) is 316 mm (12.44 inch) longer, 97 mm (3.82 inch) wider and has 75 liters (2.65 ft3) bigger cargo space than Opel Astra (2014).
Opel Astra (2014) is 80 mm (3.15 inch) higher and 425 kg (937 lbs) lighter than Audi A7 Sportback (2017).
