Mercedes GLA-Class (2018) is 13 mm (0.51 inch) wider, 105 mm (4.13 inch) higher and has 19 liters (0.67 ft3) bigger cargo space than Subaru Legacy (2017).
Subaru Legacy (2017) is 344 mm (13.54 inch) longer and 26 kg (57 lbs) lighter than Mercedes GLA-Class (2018).