I KNEW THE LEFT-FRONT TYRE WAS punctured well before the Porsche’s TPMS (Tyre Pressure Monitoring System) registered a drop in pressure; the sickening impact of a jagged pothole lurking beneath deep standing water left no doubt as to the fate of the low-profile Pirelli’s now ruptured sidewall.
Fortunately for me the Cayenne Turbo S Hybrid was a press car, so after an apologetic call to the ever-helpful press office the stricken SUV was collected from my house. If it had been my own it would