This is the most powerful road-ready sports car every built in the history of Porsche.   With power up by 90 horsepower and the weight reduced by 154 pounds, it has the best power to weight ratio in its class, with just 4.9 pounds per horsepower.

The 3.6 litre 6-cylinder boxer engine boosted by two turbochargers with variable turbine geometry, combined with a gasoline engine, drives the rear wheels through a six-speed manual gearbox. Developed especially for the 911 GT2 RS, the tires are 325-30s on 19 inch rims and transfer this tremendous power into equally tremendous performance and acceleration on the road.  It generates 620hp at 6500 rpm.  The maximum torque of 516 pound feet is available from 2250 rpm.  It goes from 0 to 60 in 3.4 seconds; from 0-124 in 9.8 seconds, and 0-186 in 28.9 seconds.  It boasts a top track speed of 205 miles per hour and achieved a lightening fast lap at nurburg ring of just 7minutes and 18 seconds.

Despite the increased power, fuel consumption and CO2 emissions are down 5 percent, compared to the previous generation GT2.

The phenomenal stopping power is due to the Porsche composite ceramic brakes.  The longitudinal and crosswise dynamics are ensured by the Porsche Adaptive Suspension Management, anti-roll bars, dynamic engine mounts and Porsche Stability Management.

YouTube Link: 2011 Porsche 911 GT2 RS video

Setting it apart from the previous generation GT2 is its use of carbon-fibre-reinforced components in a matt-black surface finish, even wider wheels and flared wheel arches at the front, new light-alloy wheels with central locking hubs, as well as ”GT2 RS“ model designations on the doors and rear lid. The upgraded front spoiler lip and the rear spoiler lip made of CFR are now almost 0.4 inches higher to provide aerodynamic precision as well as extra downforce.

The interior more closely resembles a luxurious racecar and flaunts its sporty performance in every detail, featuring lightweight bucket seats made of carbon-fibre-reinforced plastic in carbon surface finish and lightweight door panels with door opening straps. The basic interior color is black, which contrasts nicely with the seat centre sections and the roof lining as well as the segments on the steering wheel rim. The gearshift and handbrake lever are both finished in red alcantara.

Limited to just 500 units worldwide, the 911 Gt2 RS will be available in the US in October 2010 and will have an MSRP of $245,000 US dollars.

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Roadfly Porsche Forum: Porsche Forum

The famed Nurburgring in Germany has become the setting for speed these days. Many of the Manufacturers seem to be lining up to test their cars and vie for the “fastest car” title. The Ring used to be holy ground for Porsche and Ferrari but recently the Americans and the Japanese have started utilizing the Ring as their German proving ground.

This morning word came across the wire that Cadillac’s CTS-V has been lapping the Ring at just under 8 minutes. Truly a blistering time at Nurburgring and possibly the fastest time ever documented for a sport sedan.

Here are a few notable times from a few European cars as well as the Corvette Z06. It’s hard to believe that the new 2009 CTS-V is within a few seconds of a 2008 Z06.

7:59.32 — 2009 Cadillac CTS-V (John Heinricy, 05/2008)
8:13 — 150.43 km/h — BMW M5 (E60), 507 PS/1844 kg (sport auto 12/04)
8:09 — 151.66 km/h — BMW M6, 507 PS/1761 kg (sport auto 12/05)
8:06 — 152.59 km/h — Mercedes Benz SL55 AMG (sport auto 04/02)
8:02 — 153.86 km/h — Porsche 997 Carrera S, PASM setting “Sport”, (Walter Roehrl WHEELS 06/ 04)
7:56* – 155.80 km/h — Chevrolet Corvette Z06 ,company chief engineer Dave Hill (*mfr.)

Cadillac is nearing the completion of testing for the highly anticipated CTS-V, the limited-edition high-performance model based on the award-winning CTS sport sedan. John Heinricy, GM Performance Division executive and an acclaimed racing driver, piloted the CTS-V through its sub-8 minute lap. The car itself had no performance modifications outside of those planned for consumer production, which is scheduled to begin this fall.

Estimated at 550-hp, the CTS-V is at the moment going through the final stages of intensive testing and development. One of the realistic objectives of the Cadillac team is to make the CTS-V the world’s fastest production sedan, as a part of the overall goal to make the V-Series Cadillac’s ultimate expression of performance and technology. More updates will be released in the coming weeks as testing is finalized, including the car’s certified SAE power ratings, acceleration specifications and U.S.-market pricing.

Video documentation of the car’s breakthrough Nordschleife performance will be posted online in the coming days at http://cadillac.gmblogs.com. The eight-minute mark has long been recognized as a major Nurburgring milestone, reserved for race cars and the fastest exotic sports cars.

The new 2009 Cadillac CTS-V includes a suite of advanced performance technologies, including a new version of Cadillac’s acclaimed Magnetic Ride Control suspension and the LSA 6.2-liter Supercharged V8 engine. For the first time, the CTS-V will include the choice of a 6-speed manual or automatic transmissions, with the new automatic sporting steering wheel-mounted shift buttons.

Discuss the new CTS-V in the Cadillac CTS Forum.