At the recent Chicago Auto Show, Ford Motor Company unveiled the Focus TrackSTer as well as the Fiesta ST Rally Car.
The Ford Focus TrackSTer was a project under taken by tuner fifteen52 in conjuction with Ford and Ken Block. The base Focus was tuned with a long list of parts, such as Mountune rods and pistons, an upgraded ECU, a Quaife LSD, Stoptech four piston brakes, touring car-style flares, Ford Racing parts such as the short throw shifter and performance exhaust.
On the other hand, the Fiesta ST GRC is a fully fledged race car, built by OlsbergsMSE. This particular race car was made with the Global Rallycross Championship in mind for 2013, and will be driven in anger by Tanner Foust at the four X Games events this year.