Buying a used Porsche 911 GT3 RS is considered a dream. Buying one that Porsche refuses to repair itself is something else entirely.
This is exactly the gamble YouTuber Matt Armstrong took when he paid £87,000 (~$168,000) for a damaged 991-generation part. gt3 rs Which was already rejected by most of the people.
Porsche reportedly refused to repair the car under warranty because it suspected that the engine fault did not match the mileage shown. According to Armstrong, the company believes the mileage restrictor may have been used at some point in the car’s life, effectively voiding the warranty.
Most of the buyers would have left at that time. Armstrong did the opposite.
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a very expensive treasure hunt
The deeper he dug, the more strange the problems became.
There was a loose sump plug that could have contributed to low oil pressure. A missing fuel pump fuse had somehow ended up in the passenger seat. Inside the engine, camshaft finger followers were missing and an intake camshaft lobe was damaged.
It just got worse from there.
Later in the rebuild, Armstrong suspected that repairs to the previous engine had been completed incorrectly, with one of the side cam variators installed out of position. Once everything was properly timed and reassembled, the GT3 RS finally fired up without any warning lights.
The bill for parts came to approximately £5,500. Cheap by Porsche standards.
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Porsche still wasn’t completely convinced
Running the engine was one thing. Getting it signed off by Porsche was another matter.
Armstrong then sent the GT3 RS to an official Porsche technician for the brand’s 111-point inspection in hopes of regaining the factory warranty.
The inspection was largely positive. Just not positive enough. The car still needed work on its axle joints, brake pads and roll cage before Porsche would consider reinstating the warranty.
Still, Armstrong must own the car for the next 90 days before becoming eligible.
Annoying, no doubt. However, it does show how seriously Porsche takes approved warranty cars, especially when there are questions over the vehicle’s history.
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sometimes risks pay off
The numbers are where the story really gets interesting.
Armstrong estimates that the entire project will cost around £92,000. A healthy GT3 RS like this one could fetch between £135,000 and £140,000, giving a potential paper profit of around £40,000 before taxes and selling costs.
Then, Armstrong had another kind of comeback. Millions of people saw him doing this.
Reconstruction was never a purely financial exercise. It became another chapter in a YouTube career built around saving cars that most people would never dare touch, and the viewers have their own value.
The paper profit may be around £40,000. The visuals had done their job long before the car was finished.


