Narrow year range (drag arrows to filter):
Major changes include a new six-speed automatic transmission and revised rear gear ratio for maximum fuel efficiency. OnStar 8.0 now offers Stolen Vehicle Slow Down, Bluetooth and turn-by-turn downloads on vehicles equipped with DVD navigation. LTZ trims receive even more standard equipment including heated and cooled 12-way power seats and a Surround Sound Bose speaker system.
First introduced for 2002, the Avalanche combined a full-size SUV body with a pickup truck's cargo bed. Redesigned for 2007, the second-generation Avalanche is built on GM's new full-size SUV platform, which is also used for the Chevrolet Suburban and GMC Yukon XL, and it offers improved fuel economy and Flex-Fuel (ethanol/gasoline) operation. Refined small-block 5.3-liter V8 engines are standard, and a 6.0-liter V8 that uses variable valve timing is optionally available. Three trim levels are offered: LS, LT, and LTZ (with the LT level further divided into LT1, LT2 and LT3), and with rear-wheel or four-wheel drive.