So, you haven't had any damage, but started using the bus because a taxi driver mentions it? Hardly a an impartial opinion - maybe you should use his/her taxi?

This is a bit like having a dog & barking yourself - but worse, presumably you've been standing around during that freezing winter weather, waiting for buses, simply on the notion (not backed up by fact..) that your car will get damaged.

You're 'enjoying' the worst of both worlds - paying for a car, but not using it & having the inconvenience & extra cost of public transport.

I guess the above counts as advice...

. (I heard a taxi driver say once that he had to get new tyres every month; got me a bit worried).

!!! ............And you believed him?

This post really is a bit silly now, you are paying the road tax and insurance of your car but not using it and forking out hundreds for a bus pass. Secondly the Taxi-driver might have his tyres replaced often because of the way he drives or obviously because he is driving all the time!

Of course it is not worth it if you have the car use it, and no unless the suspension in your little FIAT is absolutely shot then no it should not be doing much damage, besides how much are tyres for those cars, cant be more than 50 quid max.

So really yes you are wasting your time hanging around for the bus, use the car that is nice and warm and just avoid the potholes!