Quote Originally Posted by Mirek View Post
It's not that simple with R5 due to rather complicated rules. It's actually very difficult to develop it. Every team found that, even VW had a lot of issues in R5 development. The main problem is that You have to use a lot of stock parts and You have a given price list not only for the car but also for most of its parts. This is extremely difficult to handle.
Speaking of R5 costs and especially parts, M-Sport told us they carry a parts stock of £2.5m to the rallies for their Fiesta R5 customers.

This makes it easier for their customer cars to source what they need but its certainly not much cheaper.