Season 4 Week 2 puts NASCAR stock cars at Bristol, launches the Britcar 24 Hours special event at Silverstone, and debuts Track Day, iRacing’s newest daily racing series.
iRacing’s NASCAR Gen 7 cars are still running the old superspeedway aero specification. With Season 4 dropping now, here’s where the update stands and what to expect when it lands.
The iRacing DTM Series is official for 2026, with eight rounds mirroring the real-world DTM calendar. Here’s the full schedule and how to enter.
iRacing Physics Islands is a multithreaded refactor of the core physics loop that cuts CPU overhead by 50 percent in full-field races. Here is how it works and what it enables.
Road America, Mid-Ohio, and Milwaukee Mile are all rebuilt from new laser scans for iRacing Season 4 2026. Existing owners get the updates free. Older versions retire.
The Caterham Academy and Caterham 420R are both confirmed for iRacing Season 4 2026, arriving as a single purchase across Class D and Class C license tiers.
iRacing Season 4 introduces dedicated pace cars per class and independent green flags for multi-class racing. Here is what changes and why it matters.
The Mazda MX-5 Season 4 update re-engineers the car’s suspension, engine, and tires from scratch. Here is what every MX-5 Cup driver needs to know before Season 4.
iRacing Season 4 2026 adds six UI features: Pit Summary, Car Damage display, Reference Car for time trials, Quick Settings, Shifting Feedback, and Pinned Mode.
iRacing rebuilt the Pavement Sprint Car from scratch for Season 4. New power output, suspension geometry, a new tire model, and 2026 rulebook compliance all change how the car drives.
iRacing’s new physically-based lighting engine enables night racing on fully lit tracks for the first time. The August 2026 development update confirms the project is nearing completion.
The Aston Martin Valkyrie AMR-LMH is confirmed for iRacing Season 4 2026, developed with real telemetry and engineering data from Aston Martin’s WEC racing team.
iRacing Career Mode is in final polish with seven distinct paths spanning grassroots to elite racing, all included free with standard membership and no extra purchases required.
iRacing has confirmed Track Reverb audio, new driver gear, and a physics overhaul for an undisclosed oval car for Season 4. Here is what the developer has officially committed to for the September build.
iRacing Career Mode arrives in Season 4 with AI progression ladders, Save Game support, and no iRating impact. Here is every officially confirmed detail ahead of the September launch.
iRacing opens community submissions for next season’s schedule every quarter. Here’s how the process works, who runs it, and when Season 4 2026 actually launches.
iRacing Season 4 2026 has confirmed audio reverb and an active Career Mode preview, with the Spark engine approaching Phase 1 completion. Here is what else is in development for the rest of the year.
iRacing’s Season 4 update introduced a revised tire model for the GT4 class, and it’s proven to be one of the most impactful changes of the season. Drivers across multiple platforms have noticed a distinct shift in how the cars behave — particularly with tire temperature buildup, wear, and grip consistency over long runs. If…
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