I need to buy 4 new tyres for the car, I need 2 for the front of the car asap and I will need 2 more for the back in less than 2 months time. I want a good half decent make as I drive around 18,000 miles a year.

My current tyre size is 215 / 50 / 17 I have looked online and seen Good year NCT 5's for £364 all in and fitted.

However I have read on the forums that some people have bought and used Goodyear Eagle F1 GS03 the tyre size being 225 / 45 / 17. I can get these fitted for £372.

Both tyres are being sourced from Blackcircles. Does anyone know anywhere cheaper ??

If I was to change all the tyres to 225 / 45 / 17 how will this affect my car, I know the tyres are going to be broader and also more low profile, but what will that mean for me as owner of car ??? Will the car feel any different in driving ?? etc etc