Mercedes GLA-Class (2016) is 54 mm (2.13 inch) longer and 9 mm (0.35 inch) higher than Vauxhall Astra (Estate) (2014).
Vauxhall Astra (Estate) (2014) is 238 mm (9.37 inch) wider, 2 kg (4 lbs) lighter and has 119 liters (4.20 ft3) bigger cargo space than Mercedes GLA-Class (2016).