Ford Sierra tipped to sell for £105,000 - more than FIVE times what it was worth new A 31-YEAR-old Ford Sierra is tipped to sell for a staggering £105,000 - more than five times what it was worth new. The RS500 Cosworth was one of just 500 models made in 1987 and cost around £20,000 new. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Honda Civic Type R 2017 - Hot hatchback races into view at Geneva Motor Show 2017Volkswagen Arteon - Luxury fastback, leapfrogs Passat to take on the BMW M4 and Audi A5Peugeot 3008 2017 - SUV named Car of the Year 2017 by experts at Geneva Motor ShowVolvo XC60 - Premium SUV revealed at Geneva Motor Show 2017 after months of teasingAudi Q8 Sport concept - new flagship luxury SUV gets more airtime in GenevaBentley EXP12 Speed 6e - You have NEVER seen a Bentley like this