The GT3 RS Porsche 991.1, with approximately 3,000 units produced between 2015 and 2017, is renowned for its robust 4.0-liter engine and exceptional track ready capabilities. At Sierra Madre Collection, we provide a wide selection of premium parts and accessories specifically designed for this iconic model, enabling enthusiasts and owners to maintain and upgrade their vehicles to the highest standards.

Choosing Sierra Madre Collection means gaining access to exclusive components that help preserve the vehicle's value and boost its reliability, addressing common concerns such as wear and reliability issues associated with high performance driving. Our dedication to quality and customer satisfaction has made us a trusted partner within the global Porsche community.

Key takeaways

• SMC delivers premium Porsche parts and accessories, ensuring every piece meets the highest levels of quality and performance.

• Powered by a 4.0-liter flat-six engine generating 493 hp, the GT3 RS accelerates from 0 to 100 km/h in 3.3 seconds and reaches a top speed of 310 km/h, demonstrating exceptional track performance.

• Its advanced aerodynamics, including an adjustable rear wing and enhanced chassis features, optimize handling, stability, and downforce, making the 991.1 GT3 RS both a thrilling sports car and a competent daily driver.

Overview of the GT3 RS Porsche 991.1

The 991.1 GT3 RS, produced between 2015 and 2017, represents a significant leap in the Porsche 911 GT3 RS lineage. The launch of this model saw several advancements in performance and technology, setting new standards for sports cars. Porsche launched this model with a focus on enhancing the driving experience. Only around 3,000 units were produced, making the 991.1 GT3 RS a rare and highly sought-after collector’s item.

Its rarity has only added to its allure, making it a coveted piece among car enthusiasts and collectors alike. The GT3 RS stands out in Porsche’s lineup for its blend of performance, exclusivity, and advanced technology, making it a highlight in the automotive world. This RS version of the Porsche 911 GT3 showcases what is possible when engineering meets passion.

Engine and performance

At the heart of the 991.1 GT3 RS lies a 4.0-liter flat-six mezger engine, a powerhouse that generates an impressive 368 kW (493 hp) and 460 Nm (339 lb-ft) of torque. This engine isn’t just about raw power; it’s about delivering that power in a way that enhances the driving experience. The engine’s responsiveness, with a redline at 9,000 rpm, is nothing short of exhilarating. A lightweight steel alloy crankshaft, inspired by racing cars like the 919 Le Mans, contributes to the engine’s robustness and high-revving durability, ensuring performance and reliability even under extreme conditions.

The performance credentials of this car are further underscored by its track achievements. The 500hp DFI flat-six engine allows it to accelerate from 0 to 100 km/h in just 3.3 seconds, aided by its PDK transmission. This kind of turbo acceleration places it firmly in the realm of elite sports cars, making it a formidable presence on any track. The GT3 RS shines in top speed, reaching an impressive 310 km/h (193 mph). This speed is a testament to the car’s aerodynamic design and engineering excellence.

During testing, the 991.1 GT3 RS clocked a lap time of 7 minutes and 20 seconds on the legendary Nürburgring Nordschleife, breaking notable lap records and speed benchmarks to cement its status as a track monster. The PDK transmission, a significant upgrade, offers quicker shifts and improved acceleration, enhancing overall performance.

The ‘paddle neutral’ function mimics the clutch operation of a manual gearbox, offering drivers more control and a more engaging driving experience. The engine and performance features make the 991.1 GT3 RS not just fast but truly remarkable. It’s designed to deliver thrills on the track while maintaining the reliability needed for everyday driving.

Aerodynamics and design

The GT3 RS doesn’t just look fast; it is fast, thanks in large part to its advanced aerodynamics:

• Adjustable rear wing capable of achieving up to 992 lbs of downforce when properly adjusted.

• Optimizes aerodynamic performance.

• Ensures the car remains stable even at high speeds.

• Translates to better handling and cornering performance.

The wide-body design, featuring lightweight panels and bodywork influenced by the Turbo, enhances grip and stability. These body elements are engineered to improve both performance and handling. The rear diffuser aids in generating downforce by smoothing airflow under the vehicle. This design element not only improves performance but also adds to the car’s aggressive aesthetic. The front splitter of the 991.1 GT3 RS has also been enlarged and redesigned to direct airflow away from the wheel arches, further enhancing downforce and stability.

The sculpted and reprofiled bonnet, constructed from carbon fibre, contributes to the car's aggressive styling and plays a key role in aerodynamic efficiency. Prominent extractor vents on the front fenders help reduce high pressure buildup in the wheel housings, effectively increasing front downforce and improving overall aerodynamic efficiency. These intake vents are functional and contribute to the car’s distinctive look. The placement and design of the air intakes provide a ram-air effect, enhancing cooling and overall engine performance.

The aerodynamic enhancements collectively optimize stability and performance at high speeds. Every element, from the front splitter to the rear wing and wings, is designed to minimize drag and maximize downforce, ensuring top performance on straightaways and tight corners. The engine lid, made from carbon fibre or CFRP, further reduces weight and supports the car's high-performance capabilities. The design philosophy of the 991.1 GT3 RS is clear: form follows function. Every curve, vent, and wing is meticulously crafted to enhance performance, making this car as much a work of art as it is a feat of engineering.

Chassis and suspension

The chassis and suspension of the 991.1 GT3 RS are designed to complement its powerful engine and advanced aerodynamics. The rear axle steering, a standout feature, enhances agility and cornering performance. At low speeds, the system allows the rear wheels to turn slightly in the opposite direction of the front wheels, improving maneuverability; at high speeds, they turn in the same direction, enhancing stability. The advanced front axle suspension setup is equally important, providing exceptional stability and precise maneuverability, especially during spirited driving or on the track.

The suspension system uses rose-jointed components to optimize performance and feedback. These components provide a more direct connection between the chassis and the road, allowing for better handling and a more engaging driving experience. The rear-axle steering system is linked to the PASM and stability controls, ensuring optimal handling characteristics through proper calibration. The combination of rear axle steering and rose-jointed suspension gives the GT3 RS superior handling capabilities in various driving conditions.

The chassis and suspension design ensures the car feels planted and responsive, whether navigating tight corners or accelerating on a straightaway. This setup not only improves performance but also enhances the driver’s confidence, making the GT3 RS a joy to drive.

Braking and safety

The Porsche 991.1 GT3 RS is engineered to deliver not only breathtaking speed but also exceptional safety and control, especially when pushed to its limits on the track. One of the standout features is the availability of optional carbon-ceramic brakes, which offer superior heat resistance and minimal fade during intense driving sessions. These brakes are particularly valuable for those who plan to exploit the car’s top speed of 193 mph, as they provide consistent stopping power lap after lap.

Safety is further enhanced by the integration of rear axle steering and Porsche Torque Vectoring Plus. These systems work together to optimize grip and stability, allowing the car to corner with remarkable precision and confidence. The rear axle steering system adjusts the angle of the rear wheels based on speed and steering input, while Porsche Torque Vectoring actively distributes torque to the rear wheels for improved traction and agility.

For track enthusiasts, the optional roll cage—part of the Clubsport package—adds an extra layer of protection, reinforcing the car’s structure and providing peace of mind during high-speed maneuvers. The aerodynamic package, including the prominent rear spoiler and full-width rear wing, generates significant downforce, further enhancing grip and stability at high speeds.

Altogether, these features make the 991.1 GT3 RS a benchmark for safety and performance in the world of high-performance cars, ensuring that drivers can enjoy the thrill of speed with the reassurance of advanced braking and safety systems.

Interior and comfort

Despite its race pedigree, the 991.1 GT3 RS is surprisingly adept at functioning as a daily driver. However, it does make some sacrifices in comfort to achieve its performance goals. Practicality is also limited due to the absence of rear seats, highlighting the car's track-focused design. Designed with a focus on functionality and driver engagement, the interior features an optional roll cage that enhances safety and rigidity during high-speed maneuvers.

Air conditioning is optional but can be deleted to reduce weight, catering to those who prioritize performance over comfort. Deleting the air-con and PCM system is available as a no cost option for buyers seeking maximum weight reduction. The standard seating is practical for everyday use, though for those seeking a sportier feel, the fixed-back 918 Spyder seats are an available option.

The interior of the GT3 RS strikes a balance between comfort and performance. While not having all the luxuries of a typical Porsche, it offers everything needed for an exhilarating driving experience. Whether you’re on the track or on your daily commute, the GT3 RS provides a driving environment that’s both functional and thrilling.

Driving experience

Behind the wheel of the Porsche 991.1 GT3 RS, every drive becomes an event. The naturally aspirated 4.0-liter flat-six engine delivers a visceral 500 horsepower and 460 Nm of torque, providing instant throttle response and a spine-tingling soundtrack as the red line approaches. The rose-jointed suspension transmits every nuance of the road or track surface directly to the driver, creating a sense of connection that is rare even among high-performance cars.

The rear axle steering system plays a crucial role in the car’s dynamic character, making the GT3 RS feel agile and composed through tight corners while maintaining rock-solid stability at speed. Inside, the focus on performance continues with fixed-back bucket seats that hold the driver firmly in place, and a compact 360mm steering wheel that offers precise control.

Aerodynamic features such as the flat undertray, front wheel arch vents, and the imposing rear wing not only enhance the car’s appearance but also contribute to its remarkable grip and high-speed stability. Whether carving through mountain roads or attacking a race circuit, the 991.1 GT3 RS delivers an exhilarating, confidence-inspiring experience that few cars can match.

Transmission options

The GT3 RS became the first in the 911 lineage to exclusively feature a PDK (Porsche Doppelkupplung) dual-clutch transmission. This decision was made to enhance the car’s performance capabilities, providing quicker shifts and improved acceleration.

The PDK transmission includes sophisticated driving aids like a ‘paddle neutral’ function, mimicking the clutch operation of a conventional manual gearbox. This feature offers drivers more control and a more engaging driving experience, making the GT3 RS not just a fast car, but one that’s incredibly fun to drive.

Wheels and tires

The Porsche 991.1 GT3 RS comes equipped with lightweight alloy wheels specifically designed for enhanced track performance. Typically 20 inches in size, some modifications may switch to 19-inch wheels for better tire options.

The choice of tire sizes, such as 265/35-20 for the front and 325/30-20 for the rear, significantly impacts performance and grip during track sessions. These specific sizes are chosen to provide the best balance of traction and stability, ensuring that the car remains planted even during aggressive driving.

Comparison to other models

The Porsche 991.1 GT3 RS stands apart from both its siblings and rivals thanks to a suite of advanced features and engineering improvements. Compared to the standard Porsche 911 GT3, the RS version boasts a more powerful naturally aspirated flat-six engine, enhanced aerodynamics, and a host of track-focused upgrades. The addition of rear axle steering and Porsche Torque Vectoring Plus gives the 991.1 GT3 RS a distinct edge in handling and grip, especially when compared to other high-performance cars in its class.

When placed alongside other track-oriented models, such as the Porsche 918 Spyder, the 991.1 GT3 RS impresses with its pure, naturally aspirated power delivery and razor-sharp chassis. The combination of advanced aerodynamics, lightweight construction, and motorsport-derived technology ensures that the RS version offers a driving experience that is both thrilling and highly rewarding.

On the market, the 991.1 GT3 RS is recognized for its limited production, high specification, and the improvements it brings over previous models. Collectors and enthusiasts value its unique blend of performance, grip, and exclusivity, making it one of the most desirable cars in the Porsche lineup.

Summary

The GT3 RS Porsche 991.1 stands as a testament to what can be achieved when engineering brilliance meets a passion for performance. From its powerful 4.0-liter flat-six engine to its advanced aerodynamics and sophisticated suspension system, every aspect of this car is designed to deliver a driving experience like no other.

Its rarity and collectability only add to its allure, making it a highly sought-after model in the automotive world. Whether you’re a track enthusiast, a collector, or someone who appreciates the finer details of automotive engineering, the 991.1 GT3 RS offers something for everyone.

In conclusion, the 991.1 GT3 RS is more than just a car; it’s a masterpiece. Its blend of performance, design, and exclusivity make it a standout in Porsche’s lineup and a dream come true for any automotive enthusiast.

Frequently asked questions

What engine does the GT3 RS Porsche 991.1 have?

The GT3 RS Porsche 991.1 is equipped with a 4.0-liter flat-six engine, delivering 493 hp and 339 lb-ft of torque. This powerful engine enhances both performance and driving experience.

How fast can the 991.1 GT3 RS accelerate from 0 to 100 km/h?

The 991.1 GT3 RS can accelerate from 0 to 100 km/h in just 3.3 seconds, showcasing its impressive performance capabilities.