iRacing 2026 Season 4 Guide
iRacing 2026 Season 4 Guide
Overview
2026 Season 4 began on September 15, 2026 and introduced four new cars, three rebuilt tracks, AI/rain expansions and major simulator/UI updates.
How it works
New features include multi-class pace-car starts, multi-threaded physics, full UTF-8 support, expanded car rule sets, pit/damage widgets and an improved Fuel Calculator.
Practical tips
Treat season-specific content as live service and recheck schedules and eligibility every season.
Frequently asked questions
2026 Season 4 began on September 15, 2026 and introduced four new cars, three rebuilt tracks, AI/rain expansions and major simulator/UI updates.
Treat season-specific content as live service and recheck schedules and eligibility every season.
Sources and verification
- 2026 Season 4 Initial Release Notes Official source iRacing · Verified on 23/09/2026
- iRacing 2026 Season 4 Official source iRacing · Verified on 23/09/2026