Introduced in 2001 as the C3, then equipped with the revolutionary Quadrasteer four-wheel-steering for 2002, this full-size extended cab pickup offered around town maneuverability closer to a normal passenger car’s. On the highway, the yaw managing qualities of the 4WS system improved stability. Towing chores were eased by the Sierra Denali’s ability to pull a trailer around a corner instead of cutting it short. Off-road, the truck could squeeze between obstacles that would stop other vehicles. The Sierra Denali’s rear track was 5-inches wider than the base 1500 truck’s, so GMC added plastic sportside style fender flares over the rear wheels.
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