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The 2006 Sierra 1500HD Crew Cab 2WD is a 4-door, up to 6-passenger full size pickup, available in 3 trims, ranging from the SLE1 Standard Box to the SLT Standard Box. The 2006 Sierra 1500HD Crew Cab 2WD's closest competitors include the Chevrolet Silverado 1500HD Crew Cab 2WD, the Dodge Ram 2500 Regular Cab 4X2, and the Ford F-250 SD SuperCab 4X2.
Upon introduction, both trims are equipped with a standard 6.0-liter, V8, 300-horsepower engine. A 4-speed automatic transmission with overdrive is standard.
The 2006 Sierra 1500HD Crew Cab 2WD is a carryover from 2005.