- Primary Subject: iRacing (Season 4 2026)
- Key Update: The iRacing Season 4 2026 update adds four new cars, including the Aston Martin Valkyrie AMR-LMH, along with rescanned tracks and upgraded UI widgets.
- Status: Confirmed
- Last Verified: September 10, 2026
- Quick Answer: iRacing Season 4 2026 brings four new cars, rescanned tracks like Mid-Ohio and Milwaukee Mile, expanded AI support, and an updated Sim UI.
The iRacing Season 4 2026 update has finally gone live, adding new cars, tracks, and plenty of quality-of-life improvements to the biggest sim racing game on the market.
iRacing Season 4 2026 Update
iRacing Season 4 2026 update went live on September 9, with the spotlight split between the four new cars and two laser-scanned tracks.
The Aston Martin Valkyrie AMR-LMH, Caterham Seven Academy, Caterham Seven 420R, and the NASCAR Gen 4 Grand National are the vehicles added in the update.
As for the tracks, Road America received two new layouts and updates to existing ones; Mid-Ohio Sports Car and Milwaukee Mile were re-scanned, while Summit Point was updated.
The update also introduced a new Sim UI that adds new widgets for Pit Summary and Car Damage. Other UI elements, including Reference Car UI, the Fuel Calculator widget, and the track map, were updated.
It's also worth noting that all new cars and tracks were unlocked for AI racing, as well as plenty of other popular iRacer cars and track layouts.
The complete iRacing Season 4 2026 update patch notes are available if you want to dive into all the neat and gritty details.
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