New Official GT3, IMSA & GT4 Setups For iRacing 25S3

Season 3 for iRacing kicks off this week, and there have been huge updates that make this season one of the most highly anticipated for a long time. There are the usual new tracks and cars, including the stunning Ferrari 296 Challenge.

But the biggest news for fans of GT racing, is that iRacing has introduced a new tyre model and physics update for the GT3 class. This is an all-round performance, tyres and physics overhaul that promises improved accuracy and realism both in the wet and dry.

To coincide with this huge update, we have added GT3, GT4 and IMSA car setup and data packs to our setup shop. These have been created by some of the fastest drivers in iRacing. Read on for more information.

View all of our iRacing car setups

New GT3, GT4 and IMSA iRacing car setups

During the past season, we have grown our setup team to include two new drivers. Lucas Hermann has an iRating of over 10,000, and Baptiste Jimenez has an iRating of 9,100. Having driven for top Esports teams, both drivers are GT3 and GT4 specialists.

They have been working hard to understand the updated tyre model and physics changes ahead of 2025 season 3.

With this season, we have the following car setup data packs available;

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What’s included in our iRacing car setups?

The benefits of buying our iRacing car setups and data packs don’t just end at having some of the fastest car setups available each week. All of our setup packs come with 12 months of free updates.

• Free updates for 12 months: When purchasing any of our iRacing data packs, you get all of the setups for the current season, along with 12 months of additional setups. This means, you don’t need to purchase the setup pack every season, as a single purchase unlocks up to 4 seasons worth of car setups.
• Race and qualifying setups: Every car setup bundle include both race and qualifying setups for each weekly event.
• Wet setups: If the race is scheduled to feature any form of wet weather, that week’s setup pack will also include an individual wet car setup.
• Ghost laps: Being fast doesn’t end at the car setup. We have included both .blap and .olap data, giving you a reference lap to work from. This is a lap set by the setup creator.
• Replay files: finally, you’ll be able to watch the exact on board lap to understand when and where to brake at each corner thanks to the included replay files.

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Get a head start this iRacing season

Using our iRacing car setups in the GT Sprint, IMSA iRacing series and Falken Tyre Sports Car Challenge will give you a head start over your competition. View all of our iRacing car setups by using the link below.

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