Mazda 6 Atenza (2015) is 7 mm (0.28 inch) higher and 201 kg (443 lbs) lighter than Opel Astra Sports Tourer (2015).
Opel Astra Sports Tourer (2015) is 423 mm (16.65 inch) longer, 46 mm (1.81 inch) wider and has 33 liters (1.17 ft3) bigger cargo space than Mazda 6 Atenza (2015).
