A car’s tyres are crucial in ensuring safety and performance. Specific tyres developed and tested by Porsche and tyre manufacturers are approved for each Porsche vehicle denoted by an N-rating. Chief Driving Instructor Gordon Robertson explains how N-rated tyres, available at your Porsche Centre, optimise the safety and performance of your Porsche.*Combined fuel consumption in accordance with EU 6: Cayenne models 11.5-6.6 l/100 km, CO2 emissions 267-173 g/km. Cayenne S E-Hybrid 3.4 l/100 km, CO2 emissions 79 g/km; Electricity consumption 20.8 kWh/100 km