I have been surprised by the pricing at dealerships on OEM standard tyres lately. I have known a few people who received a very reasonable price to replace their tyres that way. This has been 2 x VW, 1 x Audi and 1 x Mercedes Benz. Each time the tyres were under a year old (build date) and were available almost right away.
The "professional" tyre shops, even with discounting, could not match the dealership price.

If you want to replace your tyres with the same as fitted from factory, than look at what the dealer charges.