When you purchase or lease a new GMC, your vehicle is backed by GMC Pro Grade Protection. This protection program does not require special enrollment-anyone who purchases or leases a new vehicle will be automatically enrolled and covered.
3-YEAR/36,000-MILE BUMPER TO BUMPER WARRANTY†
5-YEAR/100,000-MILE POWERTRAIN WARRANTY†
5-YEAR/100,000-MILE ROADSIDE ASSISTANCE†
5-YEAR/100,000-MILE COURTESY TRANSPORTATION†
3-YEAR/100,000-MILE CORROSION PROTECTION†
TWO MAINTENANCE VISITS**
3-MONTH TRIAL OF ONSTAR GUIDANCE PLAN3
5-YEAR ONSTAR BASIC PLAN4
2016 and 2017 GMC Heavy Duty Sierra's with the 6.6L Duramax Diesel engine vehicles come with a fully transferable, no deductible, 5-year or 100,000 mile/160,934 kms, which ever comes first, Powertrain Limited Warranty.
These warranties are for repairs which are required as a result of defects due to material and/or workmanship to the Powertrain components as listed below:
All internally lubricated parts, engine oil, cooling hoses and lines. Also included are all actuators and electrical components internal to the engine, cylinder head, block, timing gears, timing chain, timing cover, oil pump/oil pump housing, OHC carriers, valve covers, oil pan, seals, gaskets, turbocharger, supercharger and all internal lubricated parts as well as manifolds, flywheel, water pump, harmonic balancer and engine mount. Timing belts are covered until the first scheduled maintenance interval. Exclusions: Excluded from the powertrain coverage are sensors, wiring, connectors, engine radiator, coolant hoses, coolant, and heater core. Coverage on the engine cooling system begins at the inlet to the water pump and ends with the thermostat housing and/or outlet that attaches to the return hose. Also excluded is the starter motor, entire pressurized fuel system (in-tank fuel pump, pressure lines, fuel rail(s), regulator, injectors, and return line) as well as the Engine/Powertrain Control Module and/or module programming.
All internally lubricated parts, case, torque converter, mounts, seals, and gaskets as well as any electrical components internal to the transmission/transaxle. Also covered are the actuators directly connected to the transmission (slave cylinder, etc.). Exclusions: Excluded from the powertrain coverage are transmission cooling lines, hoses, radiator, sensors, wiring, and electrical connectors. Also excluded are the clutch and pressure plate as well as any Transmission Control Module and/or Module programming.
All internally lubricated parts, case, mounts, seals, and gaskets as well as any electrical components internal to the transfer case. Also covered are any actuators directly connected to the transfer case as well as the encoder motor. Exclusions: Excluded from the powertrain coverage are transfer case cooling lines, hoses, radiator, sensors, wiring, and electrical connectors as well as the transfer case control module and/or module programming.
All internally lubricated parts, final-drive housings, axle shafts and bearings, constant velocity joints, propeller shafts and universal joints. All mounts, supports, seals and gaskets as well as any electrical components internal to the drive axle. Also covered are any actuators directly connected to the drive axle (i.e., front differential actuator, etc.). Exclusions: Excluded from the powertrain coverage are all wheel bearings, drive wheel front and rear hub bearings, locking hubs, drive system cooling, lines, hoses, radiator, sensors, wiring and electrical connectors related to drive systems as well as any drive system control module and/or module programming.
During the warranty coverage period, this GMC program provides alternate transportation and/or reimbursement of certain transportation expenses under the Courtesy Transportation Program if your vehicle requires warranty repairs. Several transportation options are available. Refer to your Owner’s Manual for details, including reservation of rights, or consult your dealer.
GMC is proud to offer the response, security, and convenience of the 24-hour Roadside Assistance Program for a period of 5 years or 100,000 miles/160,934 kms, whichever comes first. Refer to your Owner Manual for details, or consult your dealer/retailer. The Roadside Assistance contact information is listed in the Customer Assistance Offices section of the Warranty and Owner Assistance Information booklet.
Installations or alterations to the original equipment vehicle (or chassis) as distributed by General Motors are not covered by the General Motors New Vehicle Limited Warranty. The special body company, assembler, equipment installer, or upfitter is solely responsible for warranties on the body or equipment and any alterations (or any effect of the alterations) to any of the parts, components, systems, or assemblies installed by GM. General Motors is not responsible for the safety or quality of design features, materials, or workmanship of any alterations by such suppliers.
All the above items are not covered for damage due to accident, misuse, alteration, insufficient or improper maintenance, contaminated or poor quality fuel, damage or corrosion due to chemical treatments or Aftermarket Products, impact, use or environment. For complete details, refer to your Warranty and Owner Assistance Information booklet. This is a supplement to the express conditions and warranties described in the Warranty and Owner Assistance Information booklet. Other coverages are not extended or altered due to this supplement.
GMC backs your new vehicle with its no-deductible, Bumper-to-Bumper Limited Warranty. The entire vehicle is warranted for repairs, including parts and labor, to correct any defect in materials or workmanship, for 3 years or 36,000 miles, whichever comes first (except normal maintenance). Needed repairs will be performed using new, remanufactured, or refurbished parts. The warranty covers towing to the nearest GMC dealership, and there is no deductible for warranty repairs during the warranty period. The warranty transfers automatically with vehicle ownership during the warranty period.
GMC vehicles are designed and built to resist corrosion. All body and sheet metal components are warranted against rust-through corrosion for 6 years or 100,000 miles, whichever comes first. Application of additional rust-inhibiting materials is not required under the corrosion coverage and none is recommended. See your GMC dealer for terms of this limited warranty.
A warranty and protection program developed precisely for your GMC — that’s GMC Pro Grade Protection, which comes standard on all 2016 and newer GMC vehicles. GMC Certified Service experts can help you take full advantage of the benefits, such as two maintenance visits**, specifically oil changes, a thorough Multi-Point Vehicle Inspection, and a 4-tire rotation (single axle). It also features a Bumper-to-Bumper Limited Warranty, 24-Hour Roadside Assistance, Courtesy Transportation, Powertrain Limited Warranty Coverage, and a 6-month OnStar trial for your GMC. Visit onstar.com for details and system limitations.
Every vehicle comes with a standard 3-month trial subscription to OnStar Guidance Plan. The plan includes:
The OnStar Basic Plan, included for five years beginning with vehicle delivery, provides:
Installations or alterations to the original equipment vehicle (or chassis) as distributed by General Motors are not covered by the General Motors New Vehicle Limited Warranty. The special body company, assembler, equipment installer, or upfitter is solely responsible for warranties on the body or equipment and any alterations (or any effect of the alterations) to any of the parts, components, systems, or assemblies installed by GM.
General Motors is not responsible for the safety or quality of design features, materials, or workmanship of any alterations by such suppliers.
† Whichever comes first. See dealer for limited warranty details.
**Maintenance visits must occur within two years or 24,000 miles of vehicle delivery, whichever comes first. Does not include air filters. See participating dealer for other restrictions and complete details.
1. The Manufacturer's Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. See your GMC dealer for details. Click here to see all GMC destination freight charges.
2. Whichever comes first. See dealer for details
3. Visit onstar.com for coverage map, details and system limitations.
4. Does not include emergency or security services. Visit onstar.com for coverage map, details and system limitations.
5. Requires data plan, compatible vehicle and compatible device. Some features require factory-installed remote start, power locks, Tire Pressure Monitoring System or active OnStar service.