he Porsche Cayenne is a five seat mid-size luxury crossover manufactured by theGerman manufacturer Porsche since 2002, with North American sales beginning in 2003. Its platform was developed by Porsche and is shared with the Volkswagen Touareg and the Audi Q7. It is the first V8-engined vehicle built by Porsche since 1995, when the Porsche 928 was discontinued. Since 2008, all engines have featured direct injection technology. The Cayenne's chassis type numbers are as follows: Type 955 (2002–2006), Type 957 (2007–2010), and Type 958 (2011+).

The second-generation Cayenne (Type 958) was unveiled at the 2010 Geneva Motor Show in March following an online reveal on February 25, 2010.

The Cayenne's frame and doors are sourced from Volkswagen, who uses the frames and doors for the Volkswagen Touareg model. All other aspects of vehicle design, tuning and production are done in-house at Porsche.

Cayenne GTS
The GTS is powered with a 405 PS (298 kW) 4.8 L V8 and features a sport suspension and 21-inch (530 mm) wheels. It is lighter than the Cayenne S and has an aerodynamic body kit. The Porsche Cayenne GTS has a 0 to 100 km/h (62 mph) time of 5.7 seconds. A six-speed manual transmission is also offered.[3]
[edit]Cayenne Turbo and Turbo S
The 1st generation Cayenne Turbo had 450 PS (331 kW), and accelerated from 0 to 100 km/h (62 mph) in 5.3 seconds.[2] A Turbo S version was built in 2006 to compete with the Mercedes-Benz ML 63 AMG. The Cayenne Turbo S included a low-range case, a locking differential, and the height-adjustable, off-road suspension also standard on the regular Turbo model. It was powered by a twin-turbocharged 4.5 L V8 that produced 520 PS (382 kW) and 700 N·m (520 lb·ft) of torque. Acceleration from 0–60 mph (96 km/h) was 5.0 seconds and the top speed was 171 miles per hour. It featured a 6-speed automatic Tiptronic transmission.
A new Turbo was revealed at the 2008 Beijing auto show. It received 50 PS (37 kW) more power, and now accelerated from 0–60 mph (96 km/h) in 4.9 seconds.[4] Also revealed with the new Turbo was a new 550 horsepower (410 kW) Turbo S. Acceleration from 0–60 mph is 4.7 seconds and has optional ceramic composite brakes.