Mercedes GLA-Class (2014) is 279 mm (10.98 inch) longer, 24 mm (0.94 inch) wider and has 21 liters (0.74 ft3) bigger cargo space than Seat Arona (2017).
Seat Arona (2017) is 58 mm (2.28 inch) higher and 308 kg (679 lbs) lighter than Mercedes GLA-Class (2014).
