The Cayenne ($42,200) is powered by a V6 producing 250 horsepower and comes standard with a six-speed manual transmission or a six-speed automatic transmission with Tiptronic ($3,000). Leather seating with 12-way power adjustment comes standard, along with titanium interior trim; manually controlled climate control with charcoal and micro-particle cabin filtration; heated retractable exterior mirrors; multi-function trip computer; 12-speaker stereo with CD; air conditioned glove compartment; cruise control; insulated laminated privacy glass; Homelink; immobilizer anti-theft alarm; and an electronically latching tailgate.

The Cayenne S ($57,200) comes with Porsche's 4.5-liter dohc V8 engine that delivers 340 horsepower and the Tiptronic automatic. The normally aspirated Cayenne S and adds automatic climate control with dual front-passenger settings and a 350-watt, 14-speaker Bose stereo.

The Cayenne Turbo ($90,200) features a twin-turbocharged version of the V8 rated at 450 horsepower. The Turbo also adds adjustable air suspension with Porsche Active Suspension Management (PASM), a variable damping system that uses five accelerometers and electronically controlled adjustable shocks to manage body weight transfer both on and off road. The Turbo includes upgrades such as heated front and rear seats, electric steering wheel adjustment and park-assist radar warning front and rear. It's equipped with Porsche Communications Management (PCM), a GPS navigation system with integrated telephone and audio controls. Finally, the Cayenne Turbo has bi-xenon headlights that turn with the steering wheel.

The new Cayenne Turbo S ($111,600) pumps up the action with a 520-hp version of the twin-turbo V8 mated to the six-speed Tiptronic gearbox. It's equipped in similar fashion to the Turbo but has larger brakes, recalibrated suspension and engine management electronics and sports 20-inch wheels in place of the Turbo's 19-inchers.

Most everything on the Turbo and Turbo S (except the twin turbos) is offered as options on Cayenne and Cayenne S. Among them: the air suspension with PASM ($2,990), wood trim packages of various hues ($1,385), front and rear park assist ($990), a trailer hitch and ball ($630) and 20-inch wheels. Seat upgrades and a full Smooth Leather package that covers everything from grab handles to the center console in hide ($3,040) are available. Porsche Entry and Drive ($995) allows a driver to unlock and start the Cayenne by pulling the door handle and touching the shift lever, while leaving the keys in his pocket or her purse. Cayenne offers factory installed satellite radio, with a choice between XM or Sirius systems, and there are also SportDesign and Black Monochrome Exterior packages. Porsche's factory customization program allows buyers to order a Cayenne however they want it, limited only by imagination.

Safety features on all models include electronic stability control, traction control and the latest-generation antilock brakes. Six airbags come standard: dual-stage front (newest generation for 2006) and side-impact airbags for front passengers, and curtain-style head protection airbags on both sides of the cabin. All five seating positions have three-point belts with pretensioners to instantly tighten them and limit stretching on impact. The front belts also have automatic force limiters, reducing potential for belt-related injuries.