Until the 20th of Nov. there is 20% off all michelin tyres in Costco.
For example, (including VAT) you could get 4 x Michelin PE2's (195/50/R15) for £206.75.
That is the price fully fitted! A saving of £45 compared to the cheapest online fully fitted company (bestbuytyres).
You need a voucher from the latest book, but you can pick these up free instore (Also you need to be a member of Costco).