Mazda CX-30 (2020) is 5 mm (0.20 inch) higher, 95 kg (209 lbs) lighter and has 335 liters (11.83 ft3) bigger cargo space than Opel Astra Sports Tourer (2015).
Opel Astra Sports Tourer (2015) is 303 mm (11.93 inch) longer and 19 mm (0.75 inch) wider than Mazda CX-30 (2020).