In the mid-to-late 1980s, Jaguar and Porsche ruled the sports prototype racing roost, especially in the IMSA Camel GT Series. But beginning with a win at Miami in ’87, progressing to Geoff Brabham’s IMSA Camel GT drivers title in ’88 and culminating in an ‘89 season that saw Brabham narrowly edge teammate Chip Robinson for a second drivers title while capturing the manufacturers championship, the Nissan GTP ZX-T emerged as the dominant force in North American sports car racing.
Learn more about the history of the Nissan GTP ZX Turbo and find out what makes this car so special in our newly released video featuring four time IMSA Camel GT champion Geoff Brabham.
iRacing has faithfully recreated the Nissan GTP ZX-T’s powerful 795 bhp/593 kW V6 turbo along with its superbly handling chassis in making one of history’s most formidable sports prototypes available to iRacers the world over. One of the most brutally fast racing cars ever built, the Nissan GTP ZX-T was that rarest of beasts: a Porsche and Jaguar slayer. With the release of a meticulously-crafted digital version of the car, the Nissan GTP ZX-T comes alive again on iRacing.com.
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Driving the Hybrid: GTP Deployment and Regen Explained
With the 2025 Season 4 overhaul, iRacing’s hybrids no longer feel like “special gadgets” you need to manage. For GTPs, the system is invisible. For Ferrari’s 499P, it’s rule-bound. And for F1 and LMP1 cars, hybrid quirks remain. If you’re wondering how to approach them on track, here’s what you need to know. GTPs: Invisible…What’s Next for GTP Hybrid in iRacing
Season 4’s hybrid overhaul delivered the biggest change yet for iRacing’s electrified racecars — especially the GTP class and Ferrari 499P. But the work isn’t done. The current system is accurate and seamless, but it isn’t the “final form.” Here’s what’s still on the horizon, what didn’t make it into Season 4, and what drivers…Ferrari 499P Gains New In-Car Hybrid Adjustments in Latest iRacing Patch
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…iRacing GTP Hybrid MGU-K Update – Why Manual Control Was Removed
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…Rumor: Aston Martin Valkyrie GTP Coming to iRacing
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…Season 4 Hybrid Overhaul Arrives
The wait is over. With the 2025 Season 4 release, iRacing has shipped a completely overhauled hybrid system for its most advanced racing cars. The changes are less about flashy new knobs and dials, and more about making the system accurate, seamless, and invisible—just as it should be in modern prototype racing. The New Hybrid…
