ATLANTA - Porsche said the first of its redesigned 2011 Cayenne models have begun arriving at U.S. dealers, according to Inside Line. The new Cayenne S is priced from $64,675, while the Cayenne Turbo starts at $105,775. Prices include a $975 shipping charge.

The all-new Cayenne S Hybrid, priced from $68,675, won't reach showrooms until fall, when it will be joined by a base Cayenne, starting at $47,675.

For 2011, the Cayenne gets all-new sheetmetal and a roomier cockpit, plus such available high-tech features as Porsche Torque Vectoring Plus, Porsche Dynamic Light System, Lane Change Assistant, Adaptive Cruise Control and Automatic Start/Stop.

The Cayenne S features a 400-horsepower 4.8-liter V8, while the Cayenne Turbo is fitted with a 500-hp twin-turbo version of the same engine. The base Cayenne gets a 300-hp 3.6-liter V6, and the Cayenne S Hybrid mates a 333-hp supercharged 3.0-liter V6 with a 34-kw electric motor.

EPA has rated the Cayenne S at 16 mpg city and 22 highway and the Cayenne Turbo at 15/22. Fuel-economy ratings aren't available yet on the base Cayenne and Cayenne S Hybrid.