Mercedes GLC-Class (2017) is 241 mm (9.49 inch) higher than Porsche Panamera (2014).
Porsche Panamera (2014) is 314 mm (12.36 inch) longer, 41 mm (1.61 inch) wider, 331 kg (730 lbs) lighter and has 95 liters (3.35 ft3) bigger cargo space than Mercedes GLC-Class (2017).