The Chevrolet Avalanche is a four-door, five or six passenger Pickup Truck sharing GM's long-wheelbase chassis used on the Chevrolet Suburban and Cadillac Escalade EXT. Breaking with a long-standing tradition, the Avalanche appearance was not available as a GMC, but only as a Chevrolet.
The Avalanche was launched in September 2001 as a 2002 model on the GMT800 platform. First year Avalanches featured light gray plastic body cladding, intended to provide visual distinction from the Suburban/Yukon XL, but at the expense of a third row seat. Avalanche also gave the public an advance look at the next generation of front fascia designs for the entire GM line.