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Vehicle Details 2021 GMC Sierra 2500 AT4 Diesel 4x4 — Best Price in Billings, MT
Searching for a powerful, reliable heavy-duty truck in Billings, MT? This 2021 GMC Sierra 2500 AT4 Diesel 4x4 delivers performance and comfort with only 44,130 miles. Built on a rugged 6.6L V8 diesel engine and 4WD capability, this GMC Sierra 2500 is ready for towing, hauling, and off-road adventures.
Key features: AT4 Off-Road Package, Remote Start for cold Montana mornings, Apple CarPlay for seamless phone integration, premium BOSE stereo for superior sound, and a CARFAX Clean Report for added peace of mind. The AT4 trim adds enhanced suspension, skid plates, and all-terrain tires to tackle rough terrain with confidence.
This GMC Sierra 2500 combines diesel torque and durability with tech-forward convenience, making it ideal for contractors, outdoor enthusiasts, and long-distance drivers who need a dependable 4x4 heavy-duty truck. Located in Billings, MT, this vehicle is competitively priced and advertised as the best price in the area — a value-conscious choice for buyers seeking a high-quality pre-owned diesel truck.
Schedule a test drive today to experience the power of the 6.6L V8 diesel, the comfort of the AT4 interior, and the clarity of the BOSE sound system. Financing options and vehicle history are available upon request.The vehicle is in great condition. This vehicle has had a safety and mechanical inspection completed. This GMC Sierra has very low miles for its year.
Equipment Our dealership has already run the CARFAX report and it is clean. A clean CARFAX is a great asset for resale value in the future. The vehicle's Lane Departure Warning helps keep you in your lane. An off-road package is installed on this 2021 GMC Sierra 2500 so you are ready for your four-wheeling best. This vehicle is pure luxury with a heated steering wheel. The vehicle features steering wheel audio controls. This 3/4 ton pickup warns of approaching vehicles with Cross-Traffic Alert. This vehicle features a high end BOSE stereo system. Bluetooth technology is built into this 3/4 ton pickup, keeping your hands on the steering wheel and your focus on the road. The leather seats in this model are a must for buyers looking for comfort, durability, and style. Protect this vehicle from unwanted accidents with a cutting edge backup camera system. The GMC Sierra offers Android Auto for seamless smartphone integration.
Packages Driver Alert Package I: Ultrasonic Front and Rear Park Assist; Rear Cross Traffic Alert; Lane Change Alert with Side Blind Zone Alert; Perimeter Lighting. Driver Alert Package II: Forward Collision Alert; Following Distance Indicator; Automatic Emergency Braking; Safety Alert Seat; IntelliBeam Automatic High Beam On/off; Lane Departure Warning. AT4 Premium Plus Package: Power Sunroof; AT4 High Clearance Step; 20" Machined Aluminum Wheels. Technology Package: 8" Multicolor Driver Information Center; Multicolor 15" Diagonal Head-Up Display; Inside Rearview Auo-Dimming Rear Camera Mirror. Preferred Equipment Group 4SB: HD Rear Vision Camera; LED Cargo Area Lighting; Remote Vehicle Starter System; 2 USB Ports (1st Row); Electric Rear-Window Defogger; Wireless Phone Projection; Floor-Mounted Center Console; Unauthorized Entry Theft-Deterrent System; Painted Black Surround Grille; Compass Located in Instrument Cluster; 4.2" Diagonal Color Display Driver Info Center; Electrical Lock Control Steering Column; 120-Volt Instrument Panel Power Outlet; Heated Driver and Front Outboard Passenger Seats; X31 Off-Road Package; Front Premium Floor Liners with Removable Carpet Insert; Steering Wheel Audio Controls; Rear Premium Floor Liners with Removable Carpet Insert; OnStar and GMC Connected Services Capable; 120-Volt Bed Mounted Power Outlet; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; 2-Speed Active Transfer Case; Deep-Tinted Glass; Spray-On Pickup Box Bed Liner with AT4 Logo; Power Rear Windows with Express Down; Red Recovery Hooks; Integrated Trailer Brake Controller; Power Windows with Driver Express Up/down; Heated and Ventilated Front Bucket Seats; Manual Tilt-Wheel/telescoping Steering Column; 2nd Row Dual USB Charge-Only Ports; Keyless Open and Start; ProGrade Trailering System; Rear Wheelhouse Liners; 12-Volt Rear Auxiliary Power Outlet; 2 USB Ports; Power Door Locks. Gooseneck/5th Wheel Package: Gooseneck/5th Wheel Prep Package; Bed View Camera with Two Trailer Camera Provisions. AT4 Preferred Package: HD Surround Vision; Bose Premium 7 Speaker Sound System; Power Sliding Rear Window with Defogger; LED Smoked Amber Roof Marker Lamps; Wireless Charging; Bed View Camera with Two Trailer Camera Provisions; Universal Home Remote; Premium GMC Infotainment System Radio with Navigation. AT4 High Clearance Step. Power Sunroof. 20" Machined Aluminum Wheels. Brownstone Metallic. Hitch Package. Bed View Camera with Two Trailer Camera Provisions. LT275/65R20 AT BW Tires. High Idle Switch. Black Front and Rear Molded Splash Guards. LED Smoked Amber Roof Marker Lamps. Heavy Duty Front Spring/camper Package. **Equipment listed is based on original vehicle build and subject to change. Please confirm the accuracy of the included equipment by calling the dealer prior to purchase.**
Driver Alert Package I: Ultrasonic Front and Rear Park Assist; Rear Cross Traffic Alert; Lane Change Alert with Side Blind Zone Alert; Perimeter Lighting,Driver Alert Package II: Forward Collision Alert; Following Distance Indicator; Automatic Emergency Braking; Safety Alert Seat; IntelliBeam Automatic High Beam On/off; Lane Departure Warning,AT4 Premium Plus Package: Power Sunroof; AT4 High Clearance Step; 20" Machined Aluminum Wheels,Technology Package: 8" Multicolor Driver Information Center; Multicolor 15" Diagonal Head-Up Display; Inside Rearview Auo-Dimming Rear Camera Mirror,Preferred Equipment Group 4SB: HD Rear Vision Camera; LED Cargo Area Lighting; Remote Vehicle Starter System; 2 USB Ports (1st Row); Electric Rear-Window Defogger; Wireless Phone Projection; Floor-Mounted Center Console; Unauthorized Entry Theft-Deterrent System; Painted Black Surround Grille; Compass Located in Instrument Cluster; 4.2" Diagonal Color Display Driver Info Center; Electrical Lock Control Steering Column; 120-Volt Instrument Panel Power Outlet; Heated Driver and Front Outboard Passenger Seats; X31 Off-Road Package; Front Premium Floor Liners with Removable Carpet Insert; Steering Wheel Audio Controls; Rear Premium Floor Liners with Removable Carpet Insert; OnStar and GMC Connected Services Capable; 120-Volt Bed Mounted Power Outlet; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; 2-Speed Active Transfer Case; Deep-Tinted Glass; Spray-On Pickup Box Bed Liner with AT4 Logo; Power Rear Windows with Express Down; Red Recovery Hooks; Integrated Trailer Brake Controller; Power Windows with Driver Express Up/down; Heated and Ventilated Front Bucket Seats; Manual Tilt-Wheel/telescoping Steering Column; 2nd Row Dual USB Charge-Only Ports; Keyless Open and Start; ProGrade Trailering System; Rear Wheelhouse Liners; 12-Volt Rear Auxiliary Power Outlet; 2 USB Ports; Power Door Locks,Gooseneck/5th Wheel Package: Gooseneck/5th Wheel Prep Package; Bed View Camera with Two Trailer Camera Provisions,AT4 Preferred Package: HD Surround Vision; Bose Premium 7 Speaker Sound System; Power Sliding Rear Window with Defogger; LED Smoked Amber Roof Marker Lamps; Wireless Charging; Bed View Camera with Two Trailer Camera Provisions; Universal Home Remote; Premium GMC Infotainment System Radio with Navigation,AT4 High Clearance Step,Power Sunroof,20" Machined Aluminum Wheels,Brownstone Metallic,Hitch Package,Bed View Camera with Two Trailer Camera Provisions,LT275/65R20 AT BW Tires,High Idle Switch,Black Front and Rear Molded Splash Guards,LED Smoked Amber Roof Marker Lamps,Heavy Duty Front Spring/camper Package,Apple CarPlay/Android Auto smart device wireless mirroring,Forward Collision Alert with Automatic Braking,4G LTE Wi-Fi Hotspot capable mobile hotspot internet access,HD Rear Vision Camera w/Hitch View rear mounted camera,Head-up display,Predictive brake assist system,Cruise control with steering wheel mounted controls,Ventilated driver and front passenger seats,Integrated navigation system with voice activation,Keyfob remote start,Heated steering wheel,Heated driver and front passenger seats,Heated rear seats,Leather front seat upholstery,Primary monitor touchscreen,Lane Departure Warning,Rear Cross-Traffic Alert collision warning,First-row sliding and tilting glass sunroof with express open/close activation sunshade,Driver seat power reclining, lumbar support, cushion tilt, fore/aft control and height adjustable control,AutoTrac part and full-time 4WD,Duramax 6.6L V-8 diesel direct injection, intercooled turbo, diesel, engine with 445HP,Duramax 6.6L V-8,Front wireless smart device charging,Teen Driver restricted driving mode/alerts,Keyless Open/Keyless Start with hands-free access and push button start,Keyfob window control,Aerial view camera,Push-button,Video-feed rearview mirror,Bluetooth wireless audio streaming,Hitch Guidance vehicle to trailer hitching assist,Front mounted camera,Right side camera,Pickup box camera,Left side camera,Lane Change Alert with Side Blind Zone Alert blind spot warning,Following Distance Indicator,GMC ProGrade Trailering System trailer light test,GMC ProGrade Trailering System trailer light malfunction warning,GMC ProGrade Trailering System trailer theft alarm,Dual-zone front climate control,IntelliBeam auto high-beam headlights,Immobilizer,Bose speakers,Bluetooth handsfree wireless device connectivity,Trailer brake controller,Trailer sway control,Trailering Assist Guidelines vehicle and trailer reverse assist with visual graphic guidance only,External memory control,Internet radio capability
Features
• Driver Alert Package I: Ultrasonic Front and Rear Park Assist; Rear Cross Traffic Alert; Lane Change Alert with Side Blind Zone Alert; Perimeter Lighting
• Driver Alert Package II: Forward Collision Alert; Following Distance Indicator; Automatic Emergency Braking; Safety Alert Seat; IntelliBeam Automatic High Beam On/off; Lane Departure Warning
• AT4 Premium Plus Package: Power Sunroof; AT4 High Clearance Step; 20" Machined Aluminum Wheels
• Technology Package: 8" Multicolor Driver Information Center; Multicolor 15" Diagonal Head-Up Display; Inside Rearview Auo-Dimming Rear Camera Mirror
• Preferred Equipment Group 4SB: HD Rear Vision Camera; LED Cargo Area Lighting; Remote Vehicle Starter System; 2 USB Ports (1st Row); Electric Rear-Window Defogger; Wireless Phone Projection; Floor-Mounted Center Console; Unauthorized Entry Theft-Deterrent System; Painted Black Surround Grille; Compass Located in Instrument Cluster; 4.2" Diagonal Color Display Driver Info Center; Electrical Lock Control Steering Column; 120-Volt Instrument Panel Power Outlet; Heated Driver and Front Outboard Passenger Seats; X31 Off-Road Package; Front Premium Floor Liners with Removable Carpet Insert; Steering Wheel Audio Controls; Rear Premium Floor Liners with Removable Carpet Insert; OnStar and GMC Connected Services Capable; 120-Volt Bed Mounted Power Outlet; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; 2-Speed Active Transfer Case; Deep-Tinted Glass; Spray-On Pickup Box Bed Liner with AT4 Logo; Power Rear Windows with Express Down; Red Recovery Hooks; Integrated Trailer Brake Controller; Power Windows with Driver Express Up/down; Heated and Ventilated Front Bucket Seats; Manual Tilt-Wheel/telescoping Steering Column; 2nd Row Dual USB Charge-Only Ports; Keyless Open and Start; ProGrade Trailering System; Rear Wheelhouse Liners; 12-Volt Rear Auxiliary Power Outlet; 2 USB Ports; Power Door Locks
• Gooseneck/5th Wheel Package: Gooseneck/5th Wheel Prep Package; Bed View Camera with Two Trailer Camera Provisions
• AT4 Preferred Package: HD Surround Vision; Bose Premium 7 Speaker Sound System; Power Sliding Rear Window with Defogger; LED Smoked Amber Roof Marker Lamps; Wireless Charging; Bed View Camera with Two Trailer Camera Provisions; Universal Home Remote; Premium GMC Infotainment System Radio with Navigation
• AT4 High Clearance Step
• Power Sunroof
• 20" Machined Aluminum Wheels
• Brownstone Metallic
• Hitch Package
• Bed View Camera with Two Trailer Camera Provisions
• LT275/65R20 AT BW Tires
• High Idle Switch
• Black Front and Rear Molded Splash Guards
• LED Smoked Amber Roof Marker Lamps
• Heavy Duty Front Spring/camper Package
• Apple CarPlay/Android Auto smart device wireless mirroring
• Forward Collision Alert with Automatic Braking
• 4G LTE Wi-Fi Hotspot capable mobile hotspot internet access
• HD Rear Vision Camera w/Hitch View rear mounted camera
• Head-up display
• Predictive brake assist system
• Cruise control with steering wheel mounted controls
• Ventilated driver and front passenger seats
• Integrated navigation system with voice activation
• Keyfob remote start
• Heated steering wheel
• Heated driver and front passenger seats
• Heated rear seats
• Leather front seat upholstery
• Primary monitor touchscreen
• Lane Departure Warning
• Rear Cross-Traffic Alert collision warning
• First-row sliding and tilting glass sunroof with express open/close activation sunshade
• Driver seat power reclining
• lumbar support
• cushion tilt
• fore/aft control and height adjustable control
• AutoTrac part and full-time 4WD
• Duramax 6.6L V-8 diesel direct injection
• intercooled turbo
• diesel
• engine with 445HP
• Duramax 6.6L V-8
• Front wireless smart device charging
• Teen Driver restricted driving mode/alerts
• Keyless Open/Keyless Start with hands-free access and push button start
• Keyfob window control
• Aerial view camera
• Push-button
• Video-feed rearview mirror
• Bluetooth wireless audio streaming
• Hitch Guidance vehicle to trailer hitching assist
• Front mounted camera
• Right side camera
• Pickup box camera
• Left side camera
• Lane Change Alert with Side Blind Zone Alert blind spot warning
• Following Distance Indicator
• GMC ProGrade Trailering System trailer light test
• GMC ProGrade Trailering System trailer light malfunction warning
• GMC ProGrade Trailering System trailer theft alarm
• Dual-zone front climate control
• IntelliBeam auto high-beam headlights
• Immobilizer
• Bose speakers
• Bluetooth handsfree wireless device connectivity
• Trailer brake controller
• Trailer sway control
• Trailering Assist Guidelines vehicle and trailer reverse assist with visual graphic guidance only
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