Mercedes GL-Class (2015) is 96 mm (3.78 inch) longer, 60 mm (2.36 inch) wider, 428 mm (16.85 inch) higher and has 182 liters (6.43 ft3) bigger cargo space than Porsche Panamera (2019).
Porsche Panamera (2019) is 766 kg (1,689 lbs) lighter than Mercedes GL-Class (2015).