Mazda 3 (Sedan) (2017) is 82 kg (181 lbs) lighter than Opel Astra Sports Tourer (2014).
Opel Astra Sports Tourer (2014) is 37 mm (1.46 inch) longer, 18 mm (0.71 inch) wider, 90 mm (3.54 inch) higher and has 121 liters (4.27 ft3) bigger cargo space than Mazda 3 (Sedan) (2017).
