Mercedes GLB-Class (2020) is 20 mm (0.79 inch) wider, 124 mm (4.88 inch) higher and has 30 liters (1.06 ft3) bigger cargo space than Opel Astra Sports Tourer (2014).
Opel Astra Sports Tourer (2014) is 60 mm (2.36 inch) longer and 1043 kg (2,299 lbs) lighter than Mercedes GLB-Class (2020).