Heavy-Duty Trailering Equipment, Work Truck Preferred Package (Front Halogen Fog Lamps), GM Certified, 4WD, Dark Titanium w/Cloth Seat Trim, 6 Speaker Audio System Feature, Remote Vehicle Starter System, and Work Truck Package. 860-872-9145. GMC has outdone itself with this superb 2009 GMC Sierra 2500HD. It just doesn't get any better at this price! Add up all the hours you spend in your truck each year, and you'll certainly appreciate the interior comfort of this Sierra 2500HD. GM Certified Pre-Owned means you not only get the reassurance of a 12mo/12,000-Mile Bumper-to-Bumper limited warranty, but also a 2yr/30,000-Mile Standard CPO Maintenance Plan, up to a 5-Year/100,000-Mile, $0 Deductible, Fully Transferable, Powertrain Limited Warranty, a 172-point inspection/reconditioning, 24/7 roadside assistance, Courtesy Transportation, 3-Day/150-Mile Customer Satisfaction Guarantee, 3 month trial OnStar Directions & Connections Service if available, SiriusXM Radio 3mo trial if available, and a complete CARFAX vehicle history report.