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 complete iRacing Season 4 2026 update patch notes are available if you want to dive into all the neat and gritty details.