M Power Go! BMW Z4 GT3 is sweeeet!

This BMW Z4 GT3 comes fitted with the 4.0-liter V8 out of the M3. In race trim, that engine pushes 480hp through a six-speed sequential gearbox. This Z4 GT3 will be campaigned in FIA GT3 by Schubert Motorsport, who previously ran an M3.

You can buy one of these rides for $408,000 before tax. However, you may want to wait, since BMW can actually fit a V8 in their Z4. Maybe we'll see an M version on the Z4 after all...

Porsche's new 911 GT3 R is less likely to get you killed...

Intended for competition in the international GT3 class, this baby has seen a significant increase in its "drivability and handling." Most notable upgrades include the giant rear wing and the fact that it is based on the wide-body 911 GT3 RS.

The engine size has been bumped up .2 liters to 4.0, bringing with it, a power increase to 480hp. The whole thing weighs just 2,646 lbs, too. Check out the full press release after the jump.

New Racing Version for International GT Sport

Stuttgart. Following the Porsche 911 GT3 Cup, Dr. Ing. h.c. F. Porsche AG, Stuttgart, is entering yet another racing car in the 2010 motorsport season: The 911 GT3 R will be raced in series based on the international FIA GT3 regulations, thus succeeding the 911 GT3 Cup S. The main focus in developing this new model was on even better drivability and even easier handling.

The 911 GT3 R is powered by a four-litre six-cylinder boxer engine delivering maximum output of 480 bhp (353 kW) transmitted to the rear axle by a sequential six-speed dog gearbox.

The starting point in developing the 911 GT3 R weighing just 1,200 kg or 2,646 lb was the Porsche 911 GT3 Cup presented in September for one-make cup racing. Thanks to its increase in engine size by 0.2 litres, the GT3 R offers 30 bhp more than the Cup model. Both cars are based on the extra-wide body of the 911 GT3 RS street-legal sports car.


An anti-lock brake system (ABS), traction control and an e-gas with "throttle-blip" function make it much easier to get used to this new GT3 racing car than its predecessor, meaning that the new model is also more appropriate for the ambitious amateur racing driver.

Flared wheel arches added on to the body both front and rear bear clear testimony to the wider track than on the former model. And like all second-generation versions of the 911, the new 911 GT3 R also comes with striking LED rear light clusters.

The Porsche 911 GT3 R is making its world debut on 14 January 2010 at the Birmingham Motor Show. The car is built by Porsche's Motorsport Department at the Weissach Development Centre and will be delivered to Customer Teams the world over as of spring 2010. The base price of the Porsche 911 GT3 R is 279,000 euros plus local sales tax/VAT.

RSR Jaguar XKR GT3 Racecar is simply beautiful

More pics and the full Press Release after the jump.

RSR DEBUTS THE JAGUAR XKR GT2 RACECAR AT PETIT LE MANS

RASELTON, GA (September 24, 2009) – In preparation for a full championship effort in 2010, RSR has entered the Jaguar XKR GT2 in the American Le Mans Series' famed event the Petit Le Mans with the intention to introduce the car and utilize the track time for testing and development. The Jaguar brand is launched into what everyone considers the deepest GT2 class in the history of the ALMS and will have to face off against the likes of Ferrari, Porsche, BMW, Corvette, Viper, and Ford.


From a production car, the Jaguar XKR makes an excellent racecar. "The Jaguar XKR is exceptionally strong and rigid, and the construction method is in advance of the conventional steel stamping that we see in cars today," explained Paul Gentilozzi, RSR team owner. "That allows RSR to build a lighter, stronger, stiffer racecar. Also, the basic aerodynamic design of the XKR has a low drag coefficient and more than sufficient downforce."

The GT2 class features production-based cars modified as allowed by the Automobile Club de l'Ouest (ACO) rules. "There are very specific limitations. We use what we call in the industry, the Body-In-White. That is the basic skeletal structure, the sub-frames and frames from the original production car. We started our GT2 car with a real Jaguar XKR, this is not a panel built or fabricated car. We are using all of the aluminum skeletal structure of the car, the production doors, roof and deck lid."

The body work features a design that is based on the Jaguar XKR and was completed in the Jaguar Advance Design Studio headed by chief designer Ian Callum. The body has undergone intensive computational fluid dynamics work, know as CFD, by the Jaguar aerodynamics department. Information from the CFD was then incorporated into the finished body work which was made in clay at the RSR facility. Over 1100 man hours were spent during the clay process. The carbon fiber composite body work was molded and produced by a local company in Michigan and conforms to the ACO guidelines.

"The end result is a GT2 car that contains the DNA and the spirit of the Jaguar Design Department and the production car," comments Gentilozzi.

Yokohama has been announced as the official tire supplier. "Partnering with RSR on the Jaguar XKR GT2 in ALMS is a perfect fit for Yokohama," said Mark Chung, Yokohama Tire Corporation director, corporate strategy and planning. "Motorsports is a core element in what we do. It's in our DNA – we like to compete and we like to win, and so does RSR. Our collective efforts will certainly put us among the leaders in GT2 next year. We are definitely eager to get going."

RSR is working very closely with Bosch Motorsport to integrate their technologies for engine control and chassis data acquisition. The car will be equipped with a Bosch Motorsport ECU and data logger with color display, as well as Bosch spark plugs.

Gentilozzi has had a long relationship with brake supplier Brembo, winning races in Trans-Am and Champ Car. Brembo six piston front calipers on 380 mm discs with four piston rear calipers on 350 mm discs have been installed and actuated by a Tilton floating master cylinder pedal assembly. A 5.5 inch Tilton metallic clutch will allow power to flow from the modified Jaguar AJ133 engine to a Hewland CST Transaxle.

A five time Trans-Am Series Champion, Gentilozzi will wear multiple hats for the team, as not only the owner but also one of the three drivers designated to run at the Petit Le Mans. He will be joined with sports car veterans American Scott Pruett and Belgian Marc Goossens. During the testing and development process these seasoned drivers will play a key role in getting the Jaguar XKR up to speed for a strong fight in 2010.

The Jaguar XKR GT2 will make its debut in the Petit Le Mans powered by MAZDA6 at Road Atlanta in Braselton, Georgia. The 1,000-mile, 10-hour spectacle is scheduled to start 11:15 a.m. EDT on September 26. Live coverage can be seen on SPEED beginning at 11:00 a.m.

2010 Porsche 911 GT3 RS - track ready, street legal

PORSCHE READIES MOST DYNAMIC 911 TO DATE: 2010 911 GT3 RS Porsche rolls out the definitive track ready, street legal 911

Delivering even more engine power, lower weight and shorter transmission ratios, as well as upgraded body and suspension components than all previous GT3s, the new Porsche 911 GT3 RS sets the foundation for homologating the race version of the 911 GT3 and will be introduced at the Frankfurt Motor Show September 17-27, 2009.

The heart of the new, uncompromising GT3 RS is the power unit. Like the engine featured in the 911 GT3, the naturally-aspirated RS power unit now displaces 3.8 liters and delivers even more power, while revving up even faster to its 8500 rpm redline. It now delivers 450 horsepower, 15 more horsepower than its 911 GT3 counterpart. Even with a specific output of more than 118 hp per liter from the six-cylinder boxer engine, the power unit in the new GT3 RS remains fully suitable for everyday use.
The new 911 GT3 RS comes exclusively with a six-speed manual gearbox optimized for short gearshift travel, low weight and high efficiency. To enhance the level of performance throughout the entire range of engine and road speed, the transmission comes with shorter ratios than found in the 911 GT3, deliberately conceding an even higher potential top track speed.

Dynamic engine mounts are standard and serve to improve the car's handling to an even higher level. Depending on driving conditions, the mounts change in their stiffness and damping effect, improving the connection between the engine and the body when driving under very lively conditions, yet allow for more comfortable conditions during everyday street use.

Porsche is also introducing another new option in 2010 for the GT3 RS, a lithium-ion battery. Delivered with the car and, when replacing the conventional lead-acid battery, it reduces the weight by more than 10 kg or 22 lb and is mainly intended for the track.

To further improve its sporting behavior, the new 911 GT3 RS comes with a purpose-built and specially set up PASM suspension, a wider front and rear track and corresponding bodywork.

The front axle comes with nine-inch-wide wheels running on 245/35 ZR 19 sports tires while the rear axle features twelve-inch-wide wheels incorporating 325/30 ZR 19 sports tires.

The new 911 GT3 RS shows its close connection to motorsport through its dynamic looks, in particular by its low ride height, the new, extra large carbon-fiber rear wing and titanium exhaust system.

The 2010 911 GT3 RS goes on sale in the U.S. in early spring of 2010 and will be priced at $132,800.

Watch the newly announced 2010 Porsche 911 GT3 RS tear it up at the track