2020 GMC Sierra 2500 HD SLT

Meet the 2020 GMC Sierra 2500 HD SLT, a capable used 4WD pickup finished in Black with a Jet Black interior and seating for six. Its 6.6-liter naturally aspirated V8 pairs with an automatic transmission to deliver 401 horsepower and 464 lb-ft of torque, giving this heavy-duty truck the power and composure for demanding work and weekend towing. With 133,356 miles, it brings proven utility and bold presence to your search for a GMC Sierra 2500 HD for sale.

The SLT balances truck-ready strength with everyday comfort and connectivity. A tow package supports hauling tasks, while heated memory seats, keyless entry, and push-button start make daily use more convenient. Apple CarPlay, Bluetooth, satellite radio readiness, a backup camera, and a Wi-Fi hotspot help keep you connected and confident on the road.

2020 GMC Sierra 2500 HD Safety and Security Features

A rear seat reminder helps prompt you to check the back seats before leaving. Four-wheel ABS supports controlled braking, while anti-lockout and auto-locking power door locks add practical security. A programmable safety key lets you set access preferences, and the electronic parking brake includes an automatic-off feature.

2020 GMC Sierra 2500 HD Entertainment and Technology Features

The Sierra offers myGMC with Connected Access smart-device app compatibility, plus voice-operated hands-free calling and radio controls. Its 8-inch infotainment screen features a touch display, HD radio, and connected app marketplace integration. Electronic messaging assistance can read messages aloud or respond to voice commands, and six speakers provide cabin audio.

2020 GMC Sierra 2500 HD Performance Features

An electronic hi-lo 4WD selector and part-time 4WD with an on-demand setting let you adapt traction to changing conditions. A rear locking differential adds grip when the going gets tough.

Our dealership proudly serves Jefferson City, TN and Morristown, TN, providing a trusted destination for quality used cars, trucks, and SUVs. We also work with drivers from Greeneville, Newport, Knoxville, and the Tri-Cities, helping customers across East Tennessee find reliable vehicles they can depend on. Every pre-owned vehicle in our inventory is carefully inspected to meet our standards for safety, performance, and value. While we offer new Chrysler, Dodge, Jeep, Ram, and Ford models, our primary focus is helping customers save money with dependable used vehicles. Our experienced sales team takes a straightforward, no-pressure approach to help you find the right vehicle for your needs. We believe transparency, accurate vehicle information, and fair pricing matter at every step of the process. In addition to vehicle sales, our on-site service department is staffed by trained technicians who handle everything from routine maintenance to advanced repairs. Local drivers trust our service team for oil changes, brake work, diagnostics, and long-term vehicle care. We are committed to earning repeat business by delivering consistent service and honest advice. Whether you’re shopping online or visiting in person, we’re here to support you before, during, and after the sale.