- Caterham 420R, Caterham Academy and Aston Martin Valkyrie AMR-LMH Hypercar coming to iRacing’s Season 4 2026 construct
- Single-player profession mode nearing completion
- New laser-scanned variations of Street America, Mid-Ohio and Milwaukee Mile
iRacing’s Senior Vice President and Government Producer, Greg Hill, delivered one other dev blog of War and Peace proportions today, setting out what drivers can count on to see within the sim’s upcoming Season 4 2026 construct.
Not like in Tolstoy’s epic, nevertheless, ‘peace’ shall be changed by the sound of ‘struggle’ in iRacing quickly, within the type of the Aston Martin Valkyrie AMR-LMH Hypercar’s piercing V12 exhaust notice (and also you’ll do effectively to discover a extra contrived metaphor than that, expensive reader).
Aston Martin Valkyrie AMR-LMH Hypercar
Sure, the Aston has been in improvement for greater than a 12 months, in line with Hill, and it’s been recreated utilizing actual telemetry and engineering information.
As soon as deployed in September, it should be a part of the sim’s five-strong GTP class alongside the Ferrari 499P, Acura ARX-06 LMDH, BMW M-Hybrid V8, Cadillac V-Sequence.R and Porsche 963 LMDH.
Caterham Academy and Caterham 420R

Becoming a member of the Aston are two Caterhams: the 420R and Academy. Caterhams’ presence in iRacing was regarded as a formality as soon as the small British model appeared in sister title iRacing Arcade, and the Lotus 7-inspired sports activities vehicles will probably be successful with subscribers.
Each vehicles shall be packaged collectively as a single buy, with the Academy designed as an entry-level race automotive with 130 bhp. In the meantime, the 420R produces greater than 200 bhp, propelling its 635 kg chassis to ludicrous cornering forces and making it a racier proposition.
Each vehicles function on a bumper Caterham motorsport bundle within the UK, with separate sequence for Academy, Roadsport, 270R, 310R and the top-level 420R vehicles.
Automobile updates


The Mazda MX-5 and asphalt Dash Automobile will obtain large, ground-up updates for Season 4, whereas the Gen 4 Grand Nationwide inventory automotive shall be added to the ‘[Legacy] ARCA Menards Chevrolet and Gen 4 Cup’ bundle, with current house owners receiving the improve at no cost.
Monitor updates






Street America, Mid-Ohio Sports activities Automobile Course, and the Milwaukee Mile have all acquired contemporary laser scans and shall be up to date for Season 4. Street America can even get two further East and West layouts, which can naturally be free for present observe house owners.
Summit Level Raceway (together with the Jefferson Circuit) and Street Atlanta have been given complete observe artwork upgrades, too.


Different options
iRacing will obtain physics updates in September, whereas multi-class security vehicles will get a tender launch, however solely on sure yet-to-be-announced tracks.
The nascent Sim UI mechanic can even be refreshed with a clearer ‘pit abstract’ window and can embrace a harm widget that exhibits precisely the place your automotive is hurting in a BeamNG.drive-style style.
New smoke VFX must also make burnouts extra voluminous. Good.


Profession and graphics
iRacing followers might not be stunned to listen to that the sim’s profession mode and new graphics engine are nonetheless in improvement, however the former is a minimum of beginning to take form.
Hill stated profession mode is usually achieved, barring bug fixes, and shared some massive information about how content material unlocks, which we will cover in a separate article.


The longer term
Monitor reverb is near launch however will probably not make Season 4’s launch, however Hill did affirm that Le Mans’ Circuit Bugatti has now been efficiently laser-scanned, with the artwork workforce set to maneuver on to Circuit Paul Armagnac (Nogaro) and Circuit Ricardo Tormo (Valencia).
A lot nearer to launch are Circuit Paul Ricard and Winchester Speedway, nevertheless, which might break cowl in Season 1 2027 alongside new helmets.


