*The advertised price does not include sales tax, vehicle registration fees, finance charges, and any other fees required by law. Price INCLDUES $490 PA documentation fee. We attempt to update this inventory on a regular basis. However, there can be lag time between the sale of a vehicle and the update of the inventory. Although every reasonable effort has been made to ensure the accuracy of the information contained on this site, absolute accuracy cannot be guaranteed. This site, and all information and materials appearing on it, are presented to the user "as is" without warranty of any kind, either express or implied. All vehicles are subject to prior sale.
This 2021 GMC Sierra 1500 AT4 brings premium truck capability wrapped in a striking blue exterior. Finished with a sophisticated Jet Black interior featuring Kalahari accents and leather seating, this crew cab standard bed is built to impress both on and off the jobsite. The 3.0L diesel I6 engine paired with a 10-speed automatic transmission delivers EPA-estimated 22 city / 26 highway MPG. Actual mileage may vary. Four-wheel drive ensures confidence in any condition.
- Premium Bose 7-Speaker Sound System
- Premium GMC Infotainment System with Navigation
- SiriusXM with 360L
- Adaptive Cruise Control with Lane Keep Assist
- Heated and Ventilated Front Seats
- Power Sunroof
- 15" Diagonal Head-Up Display
- HD Surround Vision with Trailer View Camera Provisions
- ProGrade Trailering System with Integrated Trailer Brake Controller
- Spray-On Pickup Bed Liner with AT4 Logo
Loaded with advanced technology and premium amenities, this Sierra AT4 includes multiple camera systems, automatic emergency braking, rear cross traffic alert, and an in-vehicle trailering app to simplify towing. The cabin features wireless charging, dual USB ports, and power outlets throughout, keeping devices charged and ready. With 128,769 miles, this truck has been well-maintained and offers years of capable service ahead.
Schedule your test drive today and experience the refined power and technology that define the GMC Sierra AT4.





