Mercedes GLK-Class (2016) is 11 mm (0.43 inch) higher and 305 kg (672 lbs) lighter than Porsche Cayenne (2018).
Porsche Cayenne (2018) is 319 mm (12.56 inch) longer, 114 mm (4.49 inch) wider and has 220 liters (7.77 ft3) bigger cargo space than Mercedes GLK-Class (2016).