Discover the ultimate in power, capability, and style with the 2023 GMC Sierra 3500HD SLT. This heavy-duty pickup is engineered to conquer any task, from hauling heavy loads to navigating rugged terrain with ease.- Clean Carfax with no accidents- Wel...
Enjoy the widest variety of entertainment anywhere including the deepest collection of ad-free music more sports coverage than anywhere exclusive talk channels every kind of comedy and the most complete news coverage
Plus listen on the SiriusXM app online and at home on compatible connected devices — it's included with All Access so you'll hear the best SiriusXM has to offer anywhere life takes you
By broadcasting digitally over traditional radio waves a single frequency is now capable of delivering up to 4 stations of content in crystal clear sound
Additionally the digital signal provides on-screen information such as: album art song info traffic and weather
Sierra HD Pro Safety includes (UEU) Forward Collision Alert (UE4) Following Distance Indicator (UKJ) Front Pedestrian Braking (TQ5) IntelliBeam (UFL) Lane Departure Warning (T8Z) Buckle to Drive and (UHY) Automatic Emergency Braking
X31 Off-Road Package includes (JHD) Hill Descent Control (NZZ) skid plates Off-Road suspension and Twin-tube Rancho shocks
Trailering Package includes trailer hitch 7-pin and 4-pin connectors and (CTT) Hitch Guidance
ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App
Driver Alert Package I includes (UD5) Front and Rear Park Assist (UKC) Lane Change Alert with Side Blind Zone Alert and (UFG) Rear Cross Traffic Alert
Trailering Package includes trailer hitch 7-pin and 4-pin connectors and (CTT) Hitch Guidance
ProGrade Trailering System includes (PZ8) Hitch Guidance with hitch view and (U1D) In-vehicle Trailering App (All features of (ZL6) Pro Grade Trailering are included within SLT / AT4 / Denali however the code of "ZL6" is not utilized for these PEGS and therefore will not be included on any ordering materials or within any systems.)