Porsche Refused To Fix This GT3 RS, So He Bought It Anyway

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Friday, 10 Jul 2026 11:30 0 5 autotech

Buying a broken Porsche 911 GT3 RS is already a gamble. Buying one that Porsche itself refused to repair? That’s the kind of decision that either ends with an incredible bargain or a very expensive lawn ornament.

One famous YouTuber decided to roll the dice anyway, purchasing a repossessed GT3 RS with a mysterious engine fault and absolutely no idea what was hiding beneath the rear decklid. Now, he’s on a mission to get the high-revving flat-six back to life—and then drive it straight back to Porsche.

Porsche Said “No”—Mat Armstrong Said, “Challenge Accepted”

image 911 GT3 RS
Mat Armstrong YouTube

Most people would’ve run a mile after hearing the words “engine fault.” But for Matt, it sounded more like an invitation. Mat became popular after working on a Bugatti, which again the brand had refused to help him with. In this new video, the 911 GT3 RS had already been through Porsche’s workshop, where technicians reportedly declined to carry out the repair. Whether it came down to cost, complexity, or something far more sinister, the result was the same: the car sat broken until it was eventually repossessed.

Instead of walking away, Mat bought it sight unseen, knowing only that the GT3 RS wouldn’t run. That’s a pretty bold move considering Porsche’s track-focused masterpiece isn’t exactly known for bargain-bin repair bills. Even a small issue on one of these cars can snowball into a repair bill large enough to make your bank account request emotional support.

Can He Succeed Where Porsche Didn’t?

Now comes the fun part—figuring out what actually went wrong. The goal is to diagnose the mysterious engine problem, repair it without spending supercar money, and prove that the GT3 RS isn’t beyond saving. If the fix turns out to be something surprisingly simple, it’ll make the whole story even sweeter. If it’s catastrophic… well, at least the YouTube views should help soften the blow.

And if the project is successful, Mat already has the perfect ending in mind: drive the now-running GT3 RS right back to the Porsche dealership that wouldn’t fix it in the first place. Whether or not this turns out to be a mechanical repair masterpiece or a financial horror story waiting to unfold, one thing is certain—there are few things more entertaining than watching someone take on a problem that even Porsche decided wasn’t worth tackling.

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