The Hot Wheels Add-on for Forza Horizon 5 has 27 achievements worth 475 gamerscore.
Arrive at the Horizon Hot Wheels Outpost
Complete the Rookie Qualifier Event
Complete the Pro Qualifier Event
Complete the Expert Qualifier Event
Complete the Elite Qualifier Event
Win the Hot Wheels Goliath event and become the Hot Wheels Legend
Complete 5 Missions
Complete 25 Missions
Complete All Missions
Earn 3 Stars from each of the Hot Wheels Qualifier events
Win all Race Events
Smash all Bonus Boards in Hot Wheels Park
Smash all of the Floating Tanks in Hot Wheels Park
Discover every road in Hot Wheels Park
Complete the first Chapter of the Hot Wheels Horizon Story
Complete all Chapters in the Hot Wheels Horizon Story
Earn 3 Stars from every Chapter in the Hot Wheels Horizon Story
Earn 3 Stars at the Canyon Jump Danger Sign in a 1963 Volkswagen Type 2 De Luxe
Win any race that includes sections of Hot Wheels Water Flume Track
Win any race that includes sections of Hot Wheels Ice Track
Win any race that includes sections of Hot Wheels Rumble Track
Win any race that includes sections of Hot Wheels Magnet Track
Finish a lap of the Hot Wheels Goliath event in under 6 minutes
Complete any Seasonal Activity in Hot Wheels Park
Post a clean time for every Rivals route in Hot Wheels Park
Spin 25 Wheelspins while in Hot Wheels Park
Earn 3 Stars from every PR Stunt in Hot Wheels Park