Audi R8 (2016) is 550 kg (1,213 lbs) lighter than Porsche Cayenne (2018).
Porsche Cayenne (2018) is 410 mm (16.14 inch) longer, 10 mm (0.39 inch) wider, 443 mm (17.44 inch) higher and has 444 liters (15.68 ft3) bigger cargo space than Audi R8 (2016).