Ferrari Roma (2020) is 26 mm (1.02 inch) longer and 196 mm (7.72 inch) wider than Mercedes CLA-Class (2015).
Mercedes CLA-Class (2015) is 137 mm (5.39 inch) higher, 85 kg (187 lbs) lighter and has 178 liters (6.29 ft3) bigger cargo space than Ferrari Roma (2020).