Shopping around for a new rear tyre, seems like some reasonable deals to be had. Anyone dealt with ''mytyres.co.uk'' or ''Oponeo.co.uk'' before, £129.40 or £110.00 respectively for Dunlop SportSmart 2.
Previously bought car tyres from mytyres until I found them cheaper fitted from a local supplier. No hassle ordering from them and delivery was quick. Have you tried tyre leader? They seem to be one of the cheapest just now. Just checked £103 for a 190/50