year, with 2007 being the last for the GMT800 hybrid line, a two-mode hybrid model was introduced in late 2008 as a 2009 model. General Motors discontinued the Silverado Hybrid due to poor sales along with the GMC Sierra Hybrid, Chevy Avalanche, Chevy Tahoe Hybrid, GMC Yukon Hybrid, Cadillac Escalade Hybrid, and Cadillac Escalade EXT after the 2013 model year although it was the one of the first two hybrid pickup trucks ever manufactured. Available in either two- or four-wheel-drive, the Sierra 1500 Hybrid is powered by a 6.0-liter V8. It's joined by two 60-kilowatt electric motors supplied by a nickel–metal hydride battery pack under the rear seat. On its own, the V8 is rated at 332 horsepower and 367 pound-feet of torque. GM engineers say that combined output with the electric motors is 379 hp. The unique transmission houses the electric motors along with three different planetary gear sets and four traditional clutches. There were two dash options offered in this model Silverado and Sierra: a luxury-inspired dash that closely mimics the dash in their GMT900 SUVs, and a more traditional upright dash to make room for a passenger seat in place of a center console. As of 2008, GM full-size trucks were no longer sold in United States and Canada with manual transmissions; they were only offered in Mexico in the Silverado 1500 V6 engine and Silverado 3500. All Silverado and Sierra 1/2-ton models received a revised bumper and shortened front fascia for the 2009 model year, and extended and crew cab models equipped with the Vortec 5300 V8 received a new six-speed 6L80 automatic transmission. The Vortec 6200 V8 was made available for LTZ and SLT models. Bluetooth was added to the equipment list, becoming standard on Denali, SLT, and LTZ - and optional on SLE and LT, as was an optional rear vision camera. An integrated trailer brake controller, first available on the Silverado and Sierra HD for 2007, is now an option on 1500 series trucks. The XFE package was new for 2009, available only on Silverado 1500 Crew Cab LT 2-wheel-drive models, it included the 5.3L Vortec V8, soft tonneau cover, XFE badging, aluminum wheels, and low rolling resistance tires. A refresh followed with all 2010 models, including new interior door panels (which moved the handle forward and added an additional cup holder), and a six-speed automatic transmission on Regular Cab models with the