GTP class cars in iRacing compete in the IMSA WeatherTech SportsCar Championship and the FIA World Endurance Championship. The class includes the Acura ARX-06, BMW M Hybrid V8, Cadillac V-Series.R, Ferrari 499P, and Porsche 963.
With Season 3 dropping on June 9, iRacing confirmed an updated model for the BMW M Hybrid V8 EVO iRacing GTP prototype. Staff member Cole Baker posted a preview on June 4 that shows a noticeably refreshed car, and the thread racked up 15 upvotes with the community calling it a clear visual step forward….
iRacing confirmed the Aston Martin Vantage AMR-LMH GTP is in development with Multimatic providing the full dataset.
The GTP tire update release is now live as part of the iRacing 2026 Season 1 Patch 2. This update officially arrived on January 5, 2026. It serves as the final preparation for teams heading into the Daytona 24. This patch introduces the Michelin Vision tires to the entire GTP field. Consequently, drivers now have…
The iRacing GTP tire update is set to arrive this January as a major overhaul for the premier prototype class. Officially announced by Executive Producer Greg Hill in late December, this update aims to improve the quality of life for GTP drivers ahead of the 2026 iRacing Daytona 24. The changes focus on both physical…
A BMW GTP pro called iRacing’s prototypes “floaty—like rain tyres in the dry,” reigniting the realism vs. feel debate. The community praises better cold-tire behavior but wants clearer limit feedback and smoother grip progression—changes a pending tire overhaul could deliver.
The Ferrari 499P hybrid adjustment has arrived in iRacing, introducing new in-car controls that let drivers fine-tune how the car’s hybrid system distributes power during high-speed cornering. This change gives 499P drivers greater flexibility to balance performance and handling after the latest patch. The new “Hybrid Rear Drive Corner %” option, found in the garage…
The iRacing GTP hybrid MGU-K system has been completely overhauled in the latest season update. Drivers quickly noticed that manual hybrid controls such as Quali, Attack, and Build are now unavailable. Even with keybindings set correctly, the option is grayed out in the control menu, and the black box display no longer shows MGU-K mode…
The iRacing Aston Martin Valkyrie could be the next major addition to the sim’s growing prototype lineup. While not yet confirmed, community speculation points to Aston Martin’s stunning Valkyrie AMR-LMH entering development under iRacing’s ongoing partnership with the manufacturer. This rumor began shortly after iRacing announced an expanded collaboration with Aston Martin in August. That…
A visual showcase of Ferrari’s prototype in iRacing.
A visual showcase of the Porsche 963 in iRacing.
A visual showcase of Acura’s hybrid prototype.
Specs, hybrid deployment, and racing style of the Ferrari 499P.
Hybrid strategy and driving advice for Ferrari’s prototype.
Specs, hybrid deployment, and handling style of the Porsche 963.
Specs, hybrid system, and handling traits of the ARX-06.
Hybrid strategy and setup basics for Porsche’s GTP car.
How to manage hybrid deployment and tire life.
The Porsche 963 joins iRacing’s GTP roster.
Acura’s hybrid GTP prototype arrives in iRacing.
Ferrari’s Le Mans-winning prototype arrives in iRacing.