Porsches' new strategy for enhancing both the performance and efficiency of its range has been backed by Michelins recent launch of tyres specific to the Cayenne. The new homologation tyres are all marked with the Porsche approved N certification and comprise of the Michelin Latitude Tour HP, Latitude Alpine and Michelin Latitude Sport. The tyres are designed for ultimate performance in respect of safety enhancing grip, total mileage and fuel efficiency.