Audi A4 (2014) is 3 mm (0.12 inch) longer and 12 mm (0.47 inch) wider than Opel Astra Sports Tourer (2014).
Opel Astra Sports Tourer (2014) is 128 mm (5.04 inch) higher, 135 kg (298 lbs) lighter and has 60 liters (2.12 ft3) bigger cargo space than Audi A4 (2014).
