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Prices shown for the used 2006 GMC Sierra 2500HD Crew Cab SL 4WD with NaN miles are what people paid to buy this vehicle or what people received when trading in this vehicle at a dealer. Edit options.

The GMC Sierra 2500 HD is the more powerfully equipped version of the Sierra 2500. Available only as a Crew Cab with a 6-foot-6-inch bed, the 2500HD hauls 3,293 pounds with two-wheel drive, 3,639 ...

Select a vehicle year and model below to get a valuation. A truck brand based around professional grade performance, the 2006 GMC Sierra 2500HD receives strengthened diesel power. The Duramax ...