Porsche 911 GT3 S/C debuts, 502 hp

Porsche’s newest 911 isn’t trying to be the fastest or the most futuristic. It’s trying to be the most intoxicating. That’s the point of the 911 GT3 S/C — an open-top, manual-only GT car that just made its U.S. debut at Air|Water in Costa Mesa after its global reveal on April 14. Porsche is basically saying there is still real demand for a high-revving, naturally aspirated, roof-off 911 that puts feel ahead of lap-time absolutism. ### What is the GT3 S/C? It’s a new 911 variant that mixes pieces Porsche fans already love. You get the 4.0-liter naturally aspirated flat-six from the GT3, rear-wheel drive, and only one transmission choice — a six-speed manual. Power is 502 hp and 331 lb-ft, and Porsche positions the car as a lightweight open-top driver’s machine rather than a boulevard cruiser. ### Why does the “S/C” part matter? Because this is not just a GT3 with the roof chopped off. Porsche is deliberately evoking the old Speedster idea while keeping the sharper GT-car attitude. The car uses a lightweight soft top and a more focused setup than a regular Cabriolet, so the pitch is simple — keep the engine noise, the manual gearbox, and the sense of occasion, but lose the fixed roof. ### Why debut it at Air|Water? Because Air|Water is now one of Porsche culture’s biggest enthusiast stages in the U.S. The 2026 event brought more than 9,500 visitors and around 800 vehicles to the OC Fair & Event Center. That makes it the right place for a car aimed less at spec-sheet warriors and more at people who obsess over weird, special 911s. Porsche clearly wanted the GT3 S/C seen in that crowd first. ### What does it cost? A lot — and that’s part of the story. Porsche Cars North America lists the 2027 911 GT3 S/C at $275,350 including destination. So this is not a “more accessible” GT3. It sits in the same emotional territory as cars like the 911 Speedster and 911 S/T — expensive, special, and aimed at buyers who want a collectible-feeling driver’s car right out of the box. ### Isn’t an open-top GT3 kind of a contradiction? A little, yes — but that’s why it’s interesting. GT3 cars are usually about stiffness, aero, and track focus. Dropping the fixed roof sounds like the wrong move if your only goal is lap time. But Porsche isn’t chasing the purest stopwatch result here. It’s chasing sensation. Think of it like taking the GT3’s engine and gearbox and turning the volume knob all the way up. ### So why mention the Manthey GT3? Because it shows the two sides of Porsche’s GT strategy right now. On one side, the company just brought the GT3 S/C to the U.S. as a romantic, analog halo car. On the other, the current 911 GT3 with the new Manthey kit has already run a 6:52.981 Nürburgring Nordschleife lap — about 2.8 seconds quicker than its predecessor with Manthey. Porsche is selling emotion and engineering flex at the same time. ### Who is this really for? For the buyer who wants the engine, the shifter, and the theater more than the last word in objective performance. The catch is obvious — the price is steep, and an open-top GT car will never be the hardest-core track weapon in the lineup. But that’s not the brief. The brief is to make a 911 that feels rare every single time you start it. ### Bottom line The GT3 S/C matters because it shows Porsche still understands the analog fantasy. Even now — with performance numbers climbing and technology taking over — the company thinks a 502-hp manual 911 with no fixed roof is worth building, and worth charging real money for.