Writing about the
Pirelli P Zero Runflat given
71% (255-40-17-W)
Driving on
mostly motorways for 6000
easy going miles
Positive: they wear evenly as compared to other run flat tires I used (Michelin Pilot Primacy ZP, Continental Sport Contact 2 SSR), thus generating less noise due to the irregular wear. The grip on dry and wet is excellent, the braking distance is short. They are also slightly cheaper ("only" Euro 200 each before installation).
Negative: they are hard as other run flat tires. I check tire pressure once each month, but they still wear out fast. After 6000km easy going driving on mostly highways, half of the tire depth is gone. The tires may last around 12000km in total, which are expensive for the price.
At this tire size, there are not many run flat tire choices. At least these tires have much newer technology and have better reviews compared to others (Bridgestone RE050A run flat and Continental sport contact 2 SSR). Sometimes I am thinking of replacing them with normal tires, but it doesn't seem safe and interesting to use either spare wheels or tire sealant on the highway shoulder especially in dark. So probably I will stay with these tires.