In the modern era of high-performance automobiles, few machines balance everyday usability and extreme performance as convincingly as the Porsche 911 Turbo S. Yet within the already rarefied world of Porsche’s flagship 911, there exists an even more exclusive interpretation — one shaped not only by Stuttgart engineering but by the vision of one of Germany’s most respected Porsche specialists: TECHART.
The 911 Turbo S TECHART GTstreet R represents a reinterpretation of the iconic 991-generation Turbo S, transforming an already formidable supercar into a limited-production statement of performance, individuality, and craftsmanship. Only a small number of GTstreet R conversions exist worldwide, each carefully built to combine TECHART’s motorsport heritage with the timeless silhouette of the 911.
The example currently available through Hollmann International, one of Europe’s most respected luxury and collector car dealers, captures the essence of this philosophy. Finished in Black Metallic GTstreet R special paintwork with distinctive orange accents, this 2017 model stands as a dramatic expression of performance engineering and bespoke design.
A Rare Interpretation of the 911 Turbo S
The vehicle itself presents with 13,200 kilometers, a mileage that preserves the sense of freshness expected of a modern collectible performance car. While the 911 Turbo S already occupies the pinnacle of Porsche’s all-wheel-drive performance range, the GTstreet R transformation elevates the car into a different category altogether.
Externally, the car’s presence is unmistakable. TECHART’s extensive carbon fiber aerodynamic package reshapes the familiar contours of the 991 Turbo S into something more aggressive, yet still unmistakably Porsche. A sculpted carbon aero hood, widened carbon extensions, a dramatic rear wing and roof spoiler, and meticulously finished mirror housings give the car a purposeful motorsport character.
These elements are not merely aesthetic. TECHART developed the GTstreet R program to enhance aerodynamic stability at high speed while preserving the balance that defines the 911 platform. The result is a car that appears both more planted and more assertive than the standard Turbo S.
Complementing the visual transformation are 20-inch TECHART Formula IV Race forged wheels, center-lock units that reinforce the car’s motorsport DNA while reducing unsprung mass.
The Legacy of the Porsche 911 Turbo S
To understand the significance of the GTstreet R, one must first appreciate the lineage of the 911 Turbo itself. Since its debut in the mid-1970s, the Turbo badge has represented Porsche’s most advanced interpretation of the 911 concept — combining relentless acceleration with remarkable everyday usability.
The 991-generation Turbo S, introduced during the 2010s, refined this formula further. With all-wheel drive, advanced chassis electronics, and an exceptionally powerful twin-turbocharged flat-six engine, it became one of the most capable performance cars of its era. The model’s unique strength lies in its duality: comfortable enough for long-distance touring yet capable of supercar-level performance.
TECHART’s GTstreet R builds upon this foundation by pushing the car closer to the realm of bespoke supercars, offering not only increased performance but also a dramatic visual and emotional presence.
Engineering Beyond the Standard Turbo S
Beneath the rear decklid sits Porsche’s legendary 3.8-liter twin-turbocharged flat-six, already one of the most advanced engines of its class. In the GTstreet R configuration, TECHART enhances the powertrain through its TA091 performance kit, increasing output by more than 100 kW.
The result is a remarkable 722 horsepower, transforming the Turbo S into a machine capable of extraordinary acceleration and relentless high-speed performance. The accompanying TECHART Power Exhaust not only improves breathing but introduces a deeper, more expressive soundtrack — something enthusiasts often seek in the otherwise refined Turbo S.
This performance is supported by a sophisticated chassis configuration including rear-axle steering, Porsche Torque Vectoring Plus, and PASM electronic suspension management, ensuring that the additional power remains both manageable and rewarding.
Stopping power is equally impressive thanks to Porsche Ceramic Composite Brakes (PCCB), a system designed to deliver fade-free braking even under extreme conditions.
A Clubsport Interior with Bespoke Character
Inside, the cabin reflects the car’s unique character. The GTstreet R Clubsport interior combines TECHART leather upholstery in black with orange accents, creating an atmosphere that blends luxury craftsmanship with motorsport inspiration.
Carbon fiber trim elements across the dashboard, center console, and door panels add a technical aesthetic, while Alcantara rooflining and the GT sports steering wheel reinforce the driver-focused philosophy of the car.
Despite its performance orientation, the car retains the comfort expected of a high-end Porsche. Features such as the Burmester High-End sound system, navigation system, heated multifunction steering wheel, seat ventilation, and ParkAssist ensure that the GTstreet R remains usable as a grand touring machine.
This dual character — part supercar, part refined GT — has always defined the Turbo S, and the GTstreet R preserves that balance while amplifying the emotional appeal.
A Distinctive Opportunity for Collectors
Limited-production Porsche conversions from renowned specialists often occupy a unique niche within the collector market. They combine the engineering integrity of Porsche with the rarity and individuality of a bespoke build.
The TECHART GTstreet R represents exactly that intersection. Its dramatic design, enhanced performance, and limited production ensure that it stands apart even within the crowded world of modern supercars.
For enthusiasts who appreciate the versatility of the 911 Turbo S but desire something more distinctive — something that carries both presence and pedigree — this particular example offers a compelling proposition.
With modest mileage, extensive equipment, and the unmistakable signature of TECHART’s craftsmanship, it represents not merely a high-performance Porsche, but a carefully curated expression of modern automotive engineering.
Vehicle Details
Model: Porsche 911 Turbo S TECHART GTstreet R
Year: 2017
Mileage: 13,200 km
Specification / Configuration: Black Metallic GTstreet R special paintwork, TECHART Clubsport interior in black with orange accents, carbon fiber aerodynamic kit, TECHART TA091 power upgrade (722 PS), Formula IV Race forged wheels, PCCB ceramic brakes, Burmester sound system, rear-axle steering
Location: Hollmann International, Germany (export available)