LT1 Long Box shown
The 2006 Silverado 2500HD Extended Cab 4WD is a 4-door, up to 6-passenger full size pickup, available in 10... read more trims, ranging from the Work Truck Standard Box to the LT3 Long Box. The 2006 Silverado 2500HD Extended Cab 4WD's closest competitors include the Dodge Ram 3500 Mega Cab 4X4, the Ford F-350 SD SuperCab 4X4, and the GMC Sierra 3500 Regular Cab 4WD.
Upon introduction, both trims are equipped with a standard 6.0-liter, V8, 300-horsepower engine. A 5-speed manual transmission with overdrive is standard on the Work Truck Standard Box, and a 4-speed automatic transmission with overdrive is optional. A 4-speed automatic transmission with overdrive is standard on the LT3 Long Box.
The 2006 Silverado 2500HD Extended Cab 4WD is a carryover from 2005.
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Trims are variations of a vehicle model produced by the manufacturer. Differences between trims vary greatly between models but may include:
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