Car Required: Buick Regal GNX 1987
To unlock the treasure, you’ll need a Buick Regal GNX 1987, which can be purchased in the Autoshow for CR 130,000.

How to Unlock the Treasure:
The treasure can be unlocked by driving the Buick Regal GNX 1987 and smashing 5 billboards. The quickest way to do this is to smash the billboards located near the Horizon Baja Outpost (map below).


Treasure Location:
The treasure can be found near the Horizon Rush Outpost (map below).


Treasure Reward:
You will be rewarded with 100 Forzathon Points for completing this treasure hunt challenge. You can spend your points in the game’s Forzathon Store.
Visit the Festival Playlist page to explore all the available challenges this week in Forza Horizon 5.