Mercedes GLA-Class (2014) is 72 mm (2.83 inch) higher and 419 kg (924 lbs) lighter than Porsche Panamera (2018).
Porsche Panamera (2018) is 633 mm (24.92 inch) longer, 134 mm (5.28 inch) wider and has 77 liters (2.72 ft3) bigger cargo space than Mercedes GLA-Class (2014).