Mercedes GLC-Class (2015) is 76 mm (2.99 inch) wider and 159 mm (6.26 inch) higher than Vauxhall Astra (Sedan) (2017).
Vauxhall Astra (Sedan) (2017) is 2 mm (0.08 inch) longer, 695 kg (1,532 lbs) lighter and has 110 liters (3.88 ft3) bigger cargo space than Mercedes GLC-Class (2015).