The Chevrolet Tahoe is available in 2WD or 4WD and offers three distinct trim levels. The LS, the LT1 and the LTZ. The Tahoe seats up to nine passengers and when it is equipped with the Trailering Package, it is rated to tow up to 8500 pounds on the 2WD model and 8200 pounds on the 4WD model. All Tahoes come with a 320-hp 5.3-liter Vortec V8 E85 FlexFuel engine coupled to an efficient six-speed automatic transmission. Safety features standard on all models include dual-stage front airbags, side curtain airbags, seat-mounted side airbags, four-wheel anti-lock brakes with dynamic rear proportioning, Stabilitrak stability control system with rollover mitigation, tire pressure monitoring system, and OnStar.For 2011, there are some exterior paint color changes for all models. In addition, the LS trim receives power front bucket seats with a center console and rear audio controls, Bluetooth wireless connectivity, center roof rails and body-color door handles and exterior mirrors.