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The Chevrolet Avalanche comes in three trim levels--LS, LT, and LTZ. Each is available in both two- and four-wheel drive for 2009. A Vortec 5.3L V8 with 310 hp and 335 lb-ft of torque is standard on Avalanches, while an all-aluminum 6.0L V8 that produces 366 hp and 380 ft-lb of torque and utilizes variable valve timing is available. All engines are mated to a new 6-speed automatic transmission. Ac..... |
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