Ferrari 458 Italia (2014) is 154 mm (6.06 inch) longer and 147 mm (5.79 inch) wider than Mercedes GLA-Class (2015).
Mercedes GLA-Class (2015) is 290 mm (11.42 inch) higher, 50 kg (110 lbs) lighter and has 191 liters (6.75 ft3) bigger cargo space than Ferrari 458 Italia (2014).