Porsche 911 GT America - IER Simulations - USCC Mod

Porsche 911 GT America - IER Simulations - USCC Mod 1.0

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IER Simulations is proud to finally present the official conclusion to the USCC mod, the Porsche 911 GT America.

Development Team:
mclarenf1papa - physics, project manager
Patrik Marek - 3D modeling, textures, liveries
Le Sun Tzu - liveries
Fonsecker - sounds, reference material
Gary Paterson - driver animations

About the car:
The 911 GT America was built exclusively for the United Sports Car Championship (USCC) and its GT Daytona class for the championship's maiden year in 2014. Based on Porsche's 991 Cup car, the GT America was fitted with a more powerful 4.0-litre engine and new aerodynamic appendages to better match the car's performance to the GT3-based vehicles of the GT Daytona class. One of the most affordable cars on the grid, the GT America saw great use and great success in the USCC until GTD was reformatted in 2016, rendering the car ineligible for competition.

Known issues:
- Car is very bad over uneven apex surfaces like curbs (tire model issue with AC - worse on some cars than others). Exit curb behavior is okay.

Livery template:

Drag and drop content and system folders into Assetto Corsa root directory (typically "C:\Program Files (x86)\Steam\SteamApps\common\assettocorsa").

Do not convert or modify our work in any way without our written consent. We spend hundreds of hours making our content; please respect that. Additionally, please no re-hosting of our car(s).

Car Showcase:




If you like our work, you can support us by purchasing our LMP car, the P13c, from our website. Subscribe to the newsletter on our website to get press releases and updates directly to your email.


File size
85.2 MB
First release
Last update
4.98 star(s) 66 ratings

More resources from mclarenf1papa

Latest reviews

Great Car!
Incredible 3D and physics work.
the best Mod ever
AMAZING!!!, nice GT, thanks for this incredible mod.
Oh man, the cup porsche in ac is a lot of fun but this car is even funnier. Absolutely no cons on this mod, is near perfect.
I really like to drive porsches in rf2, ac and acc, but this mod is one of my favorites!
Just had my first online race with this mod and I loved it. It's certainly one of the best handling mods out there for AC. I find the longer braking distances just as another challenge, and certainly not an issue with the mod. There is a small graphical glitch just with another car's door behind not rendering in the virtual mirror.
Wow! What a car. It's so immersive. The feel, the sound, everything. I love the tailhappiness, but the brakes lock up a bit too easy. Thanks! Cheers Robin
great mod cant wait till I master it hehe
Wow, what a car. Drives and sounds great. Like mentioned before, the brakes can feel a bit sensitive at first. Love this mod. Thank you!
thx great mod ! i love this car and the mod is awesome !
the right door handle is missing, u can see it on the 2nd screen

i made a skin if u want add it :o)
Thank you!!
I love this car. I'd say it's among the very best of the best in all of AC's mods and original content. Its physics seems absolutely perfect to me. and it's a car whose handling is a lot more interesting than a GT3 car, and it's a massive improvement on the Kunos Porsche Cup car .
I am, however, finding the brakes very difficult. I lock them up a lot. I wonder if they could be set up differently to ameliorate this.
Thank you very much! This is my favourite car right now and will be for a long time.
I'll be buying your other content :)
Great fun, drives really nice, looks and sounds great.
Amazing !!!
Ive really been enjoying this mod. Thanks a lot
Payware quality 11/10. Thanks for your generosity and hard work, Very much appreciated here.
I really like the feel of the car, but could you perhaps remove the driver helmet when in VR? It's very distracting.
Really, really nice mod. Looks, feels and sounds like the real thing. But if it feels a little tail happy, check the default cambers; they look insane to me. I reduced them to more conventional values (like -2.5/-1.5, actual, F&R) and it seemed a lot less twitchy.
Camber values are accurate to the real car.
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