Alfa Romeo Stelvio (2016) is 277 mm (10.91 inch) longer, 69 mm (2.72 inch) wider, 60 mm (2.36 inch) higher and has 90 liters (3.18 ft3) bigger cargo space than Mercedes GLA-Class (2017).
Mercedes GLA-Class (2017) is 172 kg (379 lbs) lighter than Alfa Romeo Stelvio (2016).