Ferrari Roma (2020) is 239 mm (9.41 inch) longer and 170 mm (6.69 inch) wider than Mercedes GLA-Class (2015).
Mercedes GLA-Class (2015) is 193 mm (7.60 inch) higher, 175 kg (386 lbs) lighter and has 129 liters (4.56 ft3) bigger cargo space than Ferrari Roma (2020).