Why invent the wheel again when the R1 class already exist. They are not so cheap either but it’s never cheap to drive rallies.

Price of the Ford Fiesta R1 kit is 7 500 £ (about 8 500 €). In addition to the kit a donor car is needed and assembling of the kit, roll-cage etc.
http://www.m-sport.co.uk/images/R1_S...update2014.pdf

Price of the Citroen DS3 R1 kit is 10 500 €.
http://boutique.citroenracing.com/cm...16733d7068.pdf