I have now done the deed.Replaced the front P Zeros with Dunlop Sports Max and it seems a different car. Work carried out by Bathhurst tyres . Ringwood Road. Ferndown. Dorset. Seemed careful workers and I was allowed to watch. Mikedes

Thanks Bill, I spent this morning talking tyres with different dealers. Seems there are different opinions re P Zeros but seems agreement that on 20" wheels the car will track along the road surfaces which may be what I am trying to describe. I have also left the car with a "specialised jag workshop...

I have just bought my first XKR 2001. 20" Paris wheels. P zeros all round.2 new on rear. Fronts up for replacement. Suspension checked and all fine. Car tracks and "hops" worryingly over rough surfaces. I see this is a common forum discussion. Should I replace with Eagle 1's or Dunlop SportMax all r...