Mercedes GLA-Class (2017) is 189 mm (7.44 inch) higher and 251 kg (553 lbs) lighter than Porsche Panamera (2020).
Porsche Panamera (2020) is 640 mm (25.20 inch) longer, 104 mm (4.09 inch) wider and has 63 liters (2.22 ft3) bigger cargo space than Mercedes GLA-Class (2017).