Only six Koenigsegg One:1s were ever sold to private customers. On July 4, 2026, one of them crosses the block at RM Sotheby’s Tegernsee auction in Germany, carrying a pre-sale estimate of €8 million to €10 million — roughly $9 million to $11.5 million.
That’s a staggering sum for a car that stickered for around $2.8 million a decade ago. But the One:1 isn’t just another hypercar. It was the machine that forced the industry to recalibrate what a road car could be.
When Christian von Koenigsegg unveiled it at the 2014 Geneva Motor Show, the hypercar world was drunk on horsepower figures and top-speed bragging rights. The One:1 played a different game. Its twin-turbocharged 5.0-liter V8 made 1,341 horsepower — one megawatt exactly — while the car weighed just 2,998 pounds dry. One horsepower per kilogram. That’s where the name came from, and that’s why Koenigsegg called it the world’s first “Megacar.”
The numbers still hit hard. Zero to 249 mph in roughly 20 seconds. Tires rated for 273 mph. Active aerodynamics, Aircore carbon-fiber wheels, variable-geometry turbos, and a Triplex suspension system that most rivals wouldn’t attempt for years.
The specific car heading to auction is chassis number 7108, known among collectors as the “JC” edition — a nickname displayed on the engine cover. It was reportedly the third unit delivered to a private owner, sold new in April 2015 through German dealer Esser Automotive. The odometer reads just 2,630 miles.
Its spec is anything but subtle. The body wears exposed carbon fiber and Kevlar under a clear coat, slashed with accents in a color Koenigsegg calls China Pink. That shade hits the front splitter, side skirts, intakes, rear diffuser, and the massive active rear wing. Inside, black leather and Alcantara meet pink stitching and carbon-fiber bucket seats that leave zero doubt about the car’s purpose.
The service history is documented and handled by authorized specialists. The next owner also gets entry into Koenigsegg’s Ghost Squadron, the factory’s private community offering events, factory tours, and gatherings with fellow owners. It’s a club so small it barely needs a mailing list.
Here’s the tension: a car built to be driven at 273 mph has covered fewer miles than most people put on a lease in two months. The One:1 was engineered as the most capable hypercar of its generation, and this one has essentially lived in a climate-controlled cocoon. That’s the paradox of modern hypercar collecting — the more extraordinary the machine, the less likely anyone is to use it.
Whether the final hammer price stays within the estimate or blows past it depends on who shows up with a paddle. Bugatti built 500 Veyrons. McLaren made 375 P1s. Koenigsegg made seven One:1s total, kept one for itself, and sold six. This is one of those six.
The broader hypercar auction market has been volatile, cooling from its 2023 peak as some speculators got burned chasing post-pandemic froth. But the One:1 is different from a LaFerrari or a 918 Spyder. It’s not just scarce — it’s practically nonexistent. Cars this rare tend to write their own rules at auction.
RM Sotheby’s Tegernsee sale takes place July 4 in the Bavarian lakeside town that has become a magnet for high-end consignment events. If the estimate holds, this One:1 will rank among the most expensive Koenigseggs ever sold publicly — and likely won’t be the last to reach eight figures.
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