You will enjoy 2 years of unlimited oilfilter changes*, unlimited tire rotations and unlimited multi-point inspections along with lifetime state inspections for as long as you own your vehicle. Plus the added value of roadside assistance, towing reimbursement, service rewards and so much more! All of this at no extra charge and included with every vehicle we sell. And don't forget to ask about complimentary delivery to your home or office. We have many financing options available to qualified buyers, and will always give you a fair and honest value for your trade.*Based on factory recommended oil change intervals. **Big Deal Plus**, Sierra 2500HD SLE, 4D Crew Cab, Duramax 6.6L V8 Turbodiesel, 10-Speed Automatic, 4WD, Onyx Black, Black Cloth, 10-Way Power Driver Seat Adjuster with Lumbar, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 18 Machined Aluminum Wheels, 2 Charge-Only Rear USB Ports, 2 Charge/Data USB Ports, 2-Speed Electronic Shift Transfer Case, 220-Amp Alternator, 4-Way Manual Driver Seat Adjuster, A/C with Dual-Zone Automatic Climate Control, All-Weather Floor Liners, Chrome Surround Grille with Chrome Insert Bars, Deep-Tinted Glass, Electric Rear-Window Defogger, Gooseneck/5th Wheel Prep Package, Heated Driver and Front Outboard Passenger Seats, Heated Steering Wheel, Hill Descent Control, Keyless Open and Start, LED Fog Lamps, LED Smoked Amber Roof Marker Lamps, Manual Tilt-Wheel/Telescoping Steering Column, Off-Road Suspension, OnStar Services Capable, Preferred Equipment Group 3SA, Push Button Start, Remote Start Package, Remote Vehicle Starter System, SiriusXM with 360L Trial Subscription, SLE Convenience Package, SLE Heated Package, SLE Value Package, Snow Plow Prep/Camper Package, Spray-on Pickup Bedliner with GMC Logo, Steering Wheel Audio Controls, Suspension Package, Unauthorized Entry Theft-Deterrent System, Wireless Phone Projection, X31 Off-Road and Protection Package, X31 Off-Road Package.