Cant get sum cars

Hi paul0081,
>The following cars can be unlocked by completing the indicated tasks in the game.

Unlock Chrysler Firepower Concept:
Complete ALL Courier driving missions.

Unlock Ford Mustang GT-R Concept:
Complete ALL Vehicle Transpot driving missions.

Unlock Ford Shelby Cobra Concept:
Complete ALL Top Model driving missions.

Unlock Volkswagen W12 Roadster:
Complete ALL Hitch-Hiker driving missions.

Unlock Ford Shelby GR-1 Concept:
Complete ALL Speed challenges with Golds.

Unlock Volkswagen W12 Coupe:
Complete ALL Time challenges with Golds.

Unlock Chrysler ME Four-Twelve:
Complete ALL Race challenges with Golds.

Unlock Ford Island:
Reach Expert rank.

Unlock Walmaealamae Haven of Peace:
Discover ALL the roads on the island.

Unlock Alfa Romeo 8c Competizione:
Beat the Tour of the Island race.

Unlock ALL Challenges OPE:
Reach Champion rank.

Hope this helps :)