Mercedes A-Class (2015) is 790 kg (1,742 lbs) lighter than Porsche Cayenne (2016).
Porsche Cayenne (2016) is 563 mm (22.17 inch) longer, 174 mm (6.85 inch) wider, 255 mm (10.04 inch) higher and has 329 liters (11.62 ft3) bigger cargo space than Mercedes A-Class (2015).