Think of this 2005 GMC Sierra 2500 as a professional grade tool for work, with the durability and versatility we've all come to expect from the GMC nameplate. GMC says our Sierra 2500HD is tops in many categories, including gross vehicle weight and maximum towing capacity, which checks in at 16,700 pounds. Most folks will get by just fine with this standard 6.6 Liter, V8 that uses variable valve timing to produce 353hp and 373lb-ft. Of torque. And with extensive noise-reduction measures, it has one of the quietest interiors among heavy-duty trucks. Check out the extended cab and great interior that includes cloth seats! Our Sierra 2500 is a more than capable truck and you've got to see it to believe it. Save this Page and Call for Availability. We Know You Will Enjoy Your Test Drive Towards Ownership! Drive a Little, Save a Lot. Really Experience the Murray Difference.