Eight hundred and sixty horsepower from an air-cooled flat-six. That number alone should make you pause, because Gunther Werks just squeezed it out of a twin-turbocharged 4.0-liter engine sitting in the back of a 993-generation Porsche 911 that weighs only 2,700 pounds.
The car is called the Brundle Edition Turbo, built in collaboration with former Formula 1 driver and longtime Sky Sports commentator Martin Brundle. Only five will be made. Pricing hasn’t been disclosed, but given that standard Gunther Werks builds already command seven figures, expect the number to be eye-watering.
The mechanicals read like a spec sheet from a GT racing program. Mahle pistons, forged connecting rods, a billet crankshaft, individual throttle bodies, stainless steel headers, and a Motec ECU managing it all. Power hits the rear wheels through a Getrag six-speed manual. No dual-clutch. No paddles. Just three pedals and your nerve.
Gunther Werks has built its reputation restoring and reimagining the 993 into something that embarrasses modern supercars. The GXR-Evo and the F-26 already proved the company could push air-cooled engineering to absurd extremes. This latest car goes further, pairing that turbo fury with a chassis package that includes double-wishbone suspension, bespoke coilovers, custom anti-roll bars, a front strut brace, and a hydraulic nose lift for clearing speed bumps without shame.
The brakes are proper: six-piston Brembo calipers with 14-inch discs up front, four-piston units with 13.6-inch discs at the rear. Carbon-ceramics are available for buyers who plan to use the car the way it deserves.
The design was led by Charlie Brundle, Martin’s daughter, who works as an automotive designer. The exterior wears a shade of blue pulled directly from her father’s racing helmet, with white accents running across fenders, doors, and rear-wing endplates. That rear wing features adjustable angle of attack for track use.
Custom 18-inch forged two-piece magnesium and carbon fiber wheels, inspired by Brundle’s old Brabham F1 car, are offered as options. Standard fitment is 18-inch forged three-piece aluminum.
Nearly every exterior panel is carbon fiber, which is how a twin-turbo, fully trimmed 911 lands at 2,700 pounds. That is roughly 800 pounds lighter than a current 911 Turbo S.
Inside, carbon fiber bucket seats wear black and red trim with Brundle’s initials on the headrests. A quote from the man himself sits on the dashboard: “The most important bit of the car is the nut holding the steering wheel.” Each car ships with a Bell HP77 helmet finished in matching blue, white, red, and carbon fiber.
Brundle called the project “deeply personal” at the unveiling, noting that despite extreme race car performance, Gunther Werks cars remain “remarkably civilized and usable.” He is not wrong on paper, though 860 horsepower through a manual gearbox to the rear wheels of a car that weighs less than a Mazda Miata RF with a passenger suggests “civilized” is doing a lot of heavy lifting.
Porsche still hasn’t confirmed when or whether a new GT2 RS is coming. Gunther Werks is not waiting around. Five customers will get something Zuffenhausen can no longer build, and probably never would have built in the first place.
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