Mercedes CLA-Class (2018) is 21 mm (0.83 inch) higher, 329 kg (725 lbs) lighter and has 25 liters (0.88 ft3) bigger cargo space than Porsche Panamera (2016).
Porsche Panamera (2016) is 384 mm (15.12 inch) longer and 152 mm (5.98 inch) wider than Mercedes CLA-Class (2018).