Do you think run flat tyres are prone to more wear than normal tyres? I have a MINI Cooper S on a 57 plate and replaced the original front Dunlop Sport SP01 run flats at 14k. The replacement Conti Premium Sport Contact 3 are now on 3mm after 12k of use. Car is 5.5 years old and has 26k on clock.

My previous 55 plate Astra 1.9CDTI Sport Hatch was still on the original Bridgestone Potenza non run flats after 22k and 2.5 years old when I sold it (I covered around 7.5k in the 18 months I owned it after buying second hand).

I know it all depends on how you drive, but I still cover the same distance as I did in the Astra annually and drive the same way. Although the MINI is more powerful the Astra had more torque both cars being front driven, so surprising how big a difference in tyre wear.

Also the Contis have now got a groove which runs all round the tyre down the centre of the tread. I have spoken to Continental and they say it is a carbon strip designed to disperse static electric from the tyre. I have never seen tyres with this before and wonder if it is causing the slight instability I have in my car at the moment.