Mercedes GLA-Class (2018) is 193 mm (7.60 inch) higher and 206 kg (454 lbs) lighter than Porsche Panamera (2014).
Porsche Panamera (2014) is 560 mm (22.05 inch) longer, 97 mm (3.82 inch) wider and has 10 liters (0.35 ft3) bigger cargo space than Mercedes GLA-Class (2018).