Icon Game ForzaHorizon4

Update 15, also known as Series 15, is the 15th major content update for Forza Horizon 4 released on October 22, 2019.

Different to previous updates, two Monthly Rivals events are featured across all seasons. It also added the fourth business in the game known as Upgrade Heroes.

Festival Playlist

See also Festival Playlist & Forzathon


Summer Season

Main article: Forza Horizon 4/Update 15/Summer Season

Autumn Season

Main article: Forza Horizon 4/Update 15/Autumn Season
  • Duration - October 31, 2019 to November 7, 2019
  • Season Completion Bonuses
    • HOR XB1 Bugatti Divo Small Legendary 2018 Bugatti Divo (New Hard-to-Find Car) - 50% completion unlock
    • FH4 Skeleton Morph Suit Legendary Skeleton Morph Suit - 80% completion unlock
  • Event Rewards
  • Forzathon Shop
    • HOR XB1 McLaren P1 Small Legendary 2013 McLaren P1 (Autoshow Car)
    • HOR XB1 Ferrari LaFerrari Small Legendary 2013 Ferrari LaFerrari (Autoshow Car)
    • FH4 Witchs Hat Legendary Witch's Hat*
    • FH4 Witchs Nose Legendary Witch's Nose*

*Only available on October 31, 2019

Winter Season

Main article: Forza Horizon 4/Update 15/Winter Season

Spring Season

Main article: Forza Horizon 4/Update 15/Spring Season

Patch Notes

Main article: Forza_Horizon_4/Update_History#October_22.2C_2019
  • New Features
    • New Business - Upgrade Heroes
      • This update adds a fourth Horizon Business to Forza Horizon 4. Situated in the shadow of Glen Rannoch, you will join Alex as he hunts for the ultimate sleeper cars and turns them into Upgrade Heroes. Unlock 10 Upgrade Heroes for your collection, ranging from the Datsun 510 to the 1.5 million credit Koenigsegg Agera RS!
    • New Showcase Remix - Motocross Purposes
      • Talk about cross purposes. Or in this case MotoX purposes! Ok, that’s not a great pun... Never mind... Race against the MotoX bikes in the Aerial Nomad in this new Summer Showcase Remix!
    • Showcase Remix - Assault On The Control Room

Our remix of the Halo Experience Showcase returns! Don’t miss this opportunity to re-run the UNSC Fleetcom training exercise in winter, as it counts towards your Star Card progress as a Racing Superstar!

    • Auction House Search Improvements
      • The search fields will no longer reset after performing a search in the Auction House. An improved system for selecting Manufacturers has been added.
  • Cross-Platform Fixes
    • Fixed an issue where Side Mirrors were not visible in cockpit view for the 1977 Ford escort RS1800
    • Fixed an issue where the 2013 Mercedes-Benz A 45 AMG performance graph could go out of range whilst upgrading
    • Fixed an issue where the displacement value for electric cars would show as 999,999,999 on the pre-race stats screen
    • Fixed an issue where the daily challenges for series 7 and 8 were not counting towards festival playlist progress
    • Fixed an issue where Brick Challenges wouldn’t complete in co-op seasonal events
    • Fixed an issue where Star Card flairs were not appearing for users in some circumstances
    • Various stability and performance improvements
  • PC Fixes
    • No PC-specific fixes.
  • Xbox Fixes
    • No Xbox-specific fixes.
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