*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration ...

In the same year as an all-new Sierra 2500HD was introduced, GMC continued to allow customers a chance to purchase the previous generation vehicle. The first generation GMC Sierra 2500HD became the ...

*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration ...

The Sierra 2500HD Classic is the older 2006 model full-size truck carried over into 2007 and renamed 'Classic' to distinguish it from the fully redesigned Sierra. The 2500HD Classic is a three-quarter ...

Standard equipment includes the features that come with this vehicle. Select Your Options Choose options to include in this vehicle value. For the most accurate pricing and values on new or used ...