Mercedes GLA-Class (2016) is 76 mm (2.99 inch) higher and 374 kg (825 lbs) lighter than Porsche Panamera (2014).
Porsche Panamera (2014) is 546 mm (21.50 inch) longer, 127 mm (5.00 inch) wider and has 24 liters (0.85 ft3) bigger cargo space than Mercedes GLA-Class (2016).