RUF upgrades the CTR 3 based on Porsche Cayman

Article by Christian Andrei, on July 21, 2011

The tuning experts of RUF created a package for the Porsche Cayman model that brings it to an entirely different level. Dubbed as the CTR 3, this package consists of a recently developed body that is built entirely of Kevlar-carbon composite. RUF didn’t base this package on any mid-engine concept.

The customer can ask for the interior to be designed according to his or her taste, ranging from having a functional lightweight finish to a sporty luxury finish combined with Alcantara leather.

In addition, the interior features the aluminum gearshift lever for the sequential shift transmission as the central unit. Notably, the speedometer of the CTR 3 is graded up to 260 mph (420 km/h).

Another big plus is that the newest version of the RUF Integrated Roll Cage is protecting the passengers. The Roll Cage is integrated in the A pillar and tube frame. These doors have also been fitted with integrated side impact protection beams. Major modifications were made to the car to go with the new mid-engine design.

The CTR is powered by a twin-turbocharged 3.8 liter flat-six engine that delivers 750hp at 7,100 rpm. It has a maximum torque of 708 lb-ft (960 Nm) at 4,000 rpm. In only 3.2 seconds, the CTR 3 can accelerate from zero to 100 km/h (62mph).

It has a top speed of 236 mph (380km/h). It has received a set of 19-inch wheels in the front and 20-inch wheels in the rear. It could also come with a widebody fitting 335/30/20 tires in the back.

The latest generation models of the Porsche Cayman immediately draw attention for their modernised front ends featuring new headlights and redesigned rear ends with new rear lamps with progressive lights technology. Overall, the style is a stunningly dynamic update to the recognisable Porsche look. The new halogen main headlamps incorporate the direction indicator lights in a way that’s similar to the Carrera GT with its twin-tube look.

Light rod technology is used for the new LED signal indicators. Beside these are the standard circular fog lights.

The headlamps are now new bi-xenon lights. Optionally, distinct daytime LED lights and dynamic curve lights can be installed. When the daytime LEDs are installed, the white light diodes are in a noticeably unique cross pattern, providing a one-of-a-kind light profile for this mid-engine Porsche sports coupé.

The daytime driving lights replace the fog lamps at the car’s front end. Despite this, broad light coverage and side illumination are not compromised because of the optimally positioned bi-xenon headlamps.

The Porsche Cayman sports coupé’s rear end has a new and updated design incorporating modernised tail lights featuring LED red light sources. These are shaped to taper laterally at a pronounced angle and give an elegant look to the coupé’s tail end.

Standard Start-Off Assistant with Optional Sports Chrono Package

The new Porsche Cayman and the Cayman S model can optionally feature Porsche's Sports Chrono Package Plus, which is an improvement of the Sports Chrono Package. It now works better with the PCM Porsche Communication Management. If PDK is incorporated in either the Cayman or Cayman S, the Sports Chrono Package Plus will also include the new Launch Control feature along with a special gearshift system.

When activated with the Sports Plus button, it enables an exhilarating sportive performance. The Launch Control feature is a system that increases acceleration from a resting start. With this, the Cayman and Cayman S achieve a 0-100 km/h time 0.2 seconds quicker, as illustrated by the 4.9 second 0-100 km/h time of the Cayman S.

The Start-Off Assistant is another standard in both gearbox versions of both the new Cayman and Cayman S. As the name implies, it helps the driver during regular driving situations. It also stops any forward or backward movement when the car is on an inclined surface by automatically keeping the brakes on and only releasing gradually after the driver eases off the brake pedal. This allows a smoother and more secure uphill or downhill drive without needing the handbrake.

Press Release


Exactly 20 years after the legendary CTR “Yellowbird” and 10 years after the second CTR, RUF announces the all-new CTR 3.

In April 2007, the CTR 3 was unveiled in Bahrain. While the first two CTR generations still had their engines in the rear, the new CTR 3 has a mid-engine design. However, one thing that the CTR 3 has in common with its two predecessors is that it is a pure driving machine. The CTR 3 is made to involve the driver in the driving experience.

The mid-engine design provides exceptional balance and agile handling, while the longer wheelbase provides better driving stability at high speeds. The body of the CTR 3 is a completely new development which is not based on any existing mid-engine concept. It is aerodynamically designed for high speed. Galvanized steel is used for the front structure and the passenger compartment. The engine and transmission are fixed in a space frame and modular tubular frame construction. The passenger compartment is protected by the latest version of the famous RUF Integrated Roll Cage which is integrated into the A pillar and tube frame. The doors, with integrated side impact protection beams, and the front hood are made of aluminum. The body-shell is made of Kevlar-carbon composite.

The concept of this classic sports car was maturing in Alois Ruf’s head for a long time. Together with his design and engineering team he now realized this idea. RUF has 30 years of experience with turbocharged boxer engines. The CTR 3’s twin-turbocharged 3.8 litre flat-six cylinder engine has an output of 750 HP at 7,100 rpm. The maximum torque is 708 ft/lbs at 4,000 rpm. This engine design combines a compact construction with high performance. Each turbocharger is provided with an intercooler which is placed in front of each rear wheel.

The sequential shift 6-speed transmission in the CTR 3 is a new design and is transversely mounted. It can manage torque up to 855 ft/lbs. A shift indicator on the dashboard shows the gear in use. A limited slip differential is provided to maximize performance. The sport suspension is designed for high-level driving dynamics and safety. The front axles use MacPherson struts and an anti-roll bar. The rear axles utilize motorsport technology with horizontal coilover shock absorbers fixed over pushrods connected to the wheel carriers.

The brake system is designed to match the high engine and suspension performance. Both front and rear axles utilize 6-piston fixed light alloy calipers and ventilated, cross drilled ceramic composite discs. Each brake disc is 380 mm in diameter. A specially designed Bosch anti-lock braking system is standard.

The CTR 3 rolls on forged aluminum wheels with center lock. At the front 255/35 ZR 19” tires are mounted on 8.5” x 19” wheels, while at the rear 335/30 ZR 20” tires are mounted on 12.5” x 20” wheels.

The interior can be designed to the customer’s taste, from a functional lightweight finish to a sporty luxury finish with leather and Alcantara. The aluminum gearshift lever for the sequential shift transmission is a central unit to the interior. In addition, the 260 mph speedometer shows the driver that the CTR 3 is meant for high performance.

The lightweight construction allows for an empty weight (according to DIN) of 3,086 lbs. The result is a power-to-weight ratio of only 4.4 lbs per HP.

The CTR 3’s performance is incredible. Acceleration from 0 to 100 km/h (62 mph) takes only 3.2 seconds, and its maximum speed is 380 km/h (236 mph).


Power 552 kW (750 bhp) at 7,100 rpm

max. Torque 960 Nm at 4,000 rpm

Displacement 3,746 cm³

Performance 0-62 mph (0-100 kph) in 3.2 seconds 0-125 mph (0-200 kph) in 9.6 seconds

Top speed 236 mph (380 kph) – dependent on the gear ratios

Fuel consumption: urban (l) 20,0 non-urban (l) 9,9 combined (l) 13,5 CO 2 emissions (g/kg) 311

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