*Picture may not represent actual vehicle. Price varies based on Trim Levels and Options. See Dealer for in-stock inventory and actual selling price. All prices plus tax, title & license with approved credit. TSRP includes delivery, processing, and handling fees. Dealer doc fee of $225 included in the price. Prices may be different outside of each advertised period and do not necessarily reflect cash price at any other time. Inventory is subject to prior sale. We are not responsible for typographical, technical, or misprint errors. Please contact us directly via phone or email to verify all information. While great effort is made to ensure the accuracy of the information on this site, errors do occur so please verify information with a customer service rep. This is easily done by calling us at (409) 895-3700 or by visiting us at the dealership.
This 2021 GMC Sierra 2500HD AT4 in Black delivers the capability and refinement you need for serious work and weekend adventures alike.
- Gooseneck/5th Wheel Prep Package with Bed View Camera and dual trailer camera provisions
- 20" Machined Aluminum Wheels with high gloss Black accents
- 6.6L V8 Engine with 6-Speed Automatic and 4WD
- Heated and Ventilated Front Bucket Seats with 10-Way Power Driver and Passenger Adjusters
- Spray-On Pickup Box Bed Liner with AT4 Logo
- Premium GMC Infotainment System with Apple CarPlay and Android Auto
- SiriusXM 360L Satellite Radio with HD Radio
- Off-Road Suspension with Hill Descent Control and 2-Speed Active Transfer Case
- LED Smoked Amber Roof Marker Lamps and Front Fog Lights
- Automatic Temperature Control with Rear Window Defroster
- Red Recovery Hooks and Rear Step Bumper
- 4G LTE Wi-Fi Hotspot Capable and GMC Connected Services
- Heated Steering Wheel and Auto-Dimming Rear-View Mirror
- Integrated Trailer Brake Controller with Hitch Guidance and In-Vehicle Trailering System App
- Electronic Stability Control and Traction Control
The AT4 trim elevates this Sierra 2500HD with premium features designed for owners who demand both performance and comfort. The heated and ventilated front seats keep you comfortable throughout the year, while the 10-way power adjusters with lumbar support ensure a customized driving position for long hauls. The gooseneck and 5th wheel prep package positions this truck for serious towing applications, backed by the integrated trailer brake controller and hitch guidance system that makes hookups straightforward.
Technology integration is seamless with the Premium GMC Infotainment System offering Apple CarPlay and Android Auto compatibility. The 4G LTE Wi-Fi hotspot keeps connected devices online, and SiriusXM 360L provides comprehensive satellite radio programming. The bed view camera with dual trailer camera provisions gives you visibility where you need it most, whether backing up or monitoring your trailer.
The off-road suspension with hill descent control reflects the X31 Off-Road Package inclusion, giving this truck enhanced terrain management. The 2-Speed Active Transfer Case provides the control needed for varied driving conditions, while 18" and 20" machined aluminum wheel options keep the profile assertive and capable-looking. Red recovery hooks signal this truck's readiness for demanding situations.
With 51,968 miles, this Sierra 2500HD has been well-maintained and remains in its prime working years. The combination of the robust 6.6L V8 powering through a 6-Speed Automatic transmission with 4WD creates a vehicle ready for substantial payload and towing duties. The 3.73 rear axle ratio supports both work and comfort, balancing efficiency with capability.
This AT4 represents the intersection of professional-grade capability and thoughtful design. The spray-on bed liner protects your cargo investment, while the comprehensive lighting packageâ"including LED roof markers and front fog lightsâ"ensures visibility in challenging conditions. The heated rear seats and dual-zone automatic temperature control extend comfort to all occupants, making this truck as suitable for family trips as it is for job sites.
We invite you to experience this 2021 GMC Sierra 2500HD AT4 firsthand. Visit our showroom to sit behind the wheel, inspect the gooseneck prep setup, and discuss how this truck's features align with your specific needs.