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Vehicle Details For sale in Billings, MT: a rugged 2020 GMC Sierra 1500 AT4 Diesel 4x4 that blends off-road capability with refined comfort — and priced to sell as the best deal in the area. Powered by a reliable 6-cylinder 3.0L turbodiesel engine and equipped with 4WD, this GMC Sierra delivers impressive torque, excellent fuel economy, and a smooth towing experience for work or weekend adventures.
Inside, premium leather seats provide comfort and durability for long drives, while hands-free Bluetooth keeps your calls and music seamlessly connected. Remote start ensures warmth on cold Montana mornings, and Cross-Traffic Alert enhances safety when backing out of tight spots. This GMC Sierra also comes with a CARFAX Clean Report, giving you added confidence in the vehicle's history.
The AT4 trim offers an aggressive stance, off-road suspension, and protective features that make it ready for trails, snow, and rugged terrain. Practical features, combined with a proven diesel powerplant, make this GMC Sierra a smart choice for drivers who need capability without sacrificing comfort.
Located in Billings, MT, this 2020 GMC Sierra 1500 AT4 Diesel 4x4 represents the best price you'll find locally for a clean, well-equipped diesel truck. Contact us to schedule a test drive and experience the performance, utility, and comfort of this exceptional GMC Sierra today.The vehicle is in great condition. Our dealership performed a safety and mechanical inspection of this model upon arrival. This GMC Sierra has very low miles for its year.
Equipment Half ton trucks are the most functional trucks for all purposes. This unit has four wheel drive capabilities. This 1/2 ton pickup has auto-adjust speed for safe following. This 2020 GMC Sierra 1500 offers Android Auto for seamless smartphone integration. This GMC Sierra offers Apple CarPlay for seamless connectivity. The high efficiency automatic transmission shifts smoothly and allows you to relax while driving. This vehicle features a high end BOSE stereo system. Protect this GMC Sierra from unwanted accidents with a cutting edge backup camera system. The vehicle has a durable long lasting bed liner. 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. Set the temperature exactly where you are most comfortable in this 2020 GMC Sierra 1500. The fan speed and temperature will automatically adjust to maintain your preferred zone climate. This unit's Cross-Traffic Alert: Safeguarding you from unexpected traffic when reversing. Easily set your speed in the vehicle with a state of the art cruise control system. Increase or decrease velocity with the touch of a button. This vehicle has a diesel engine. This 1/2 ton pickup has a 6 Cyl, 3.0L high output engine. This 1/2 ton pickup emanates grace with its stylish gray exterior. This model features a hands-free Bluetooth phone system. Keep your hands warm all winter with a heated steering wheel in this 2020 GMC Sierra 1500 . Quickly unlock this GMC Sierra with keyless entry. This unit's Lane Departure Warning helps keep you in your lane. This 2020 GMC Sierra 1500 stays safely in its lane with Lane Keep Assist. The leather seats in this model are a must for buyers looking for comfort, durability, and style. With the adjustable lumbar support in this 2020 GMC Sierra 1500 your back will love you. You'll never again be lost in a crowded city or a country region with the navigation system on this 2020 GMC Sierra 1500. An off-road package is installed on this 2020 GMC Sierra 1500 so you are ready for your four-wheeling best. This unit is outfitted with an OnStar communication system. Start this vehicle from inside with remote start. The steering wheel audio controls on this model keep the volume and station within easy reach. This GMC Sierra is built for driving comfort with a telescoping wheel. Greater towing safety becomes standard with the installed trailer brake.
Packages AT4 CarbonPro Edition: AT4 Carbon Hard Badge; Gloss Black Dual Exhaust Tips; MulitPro Audio System by Kicker; Unique Grille Surround with Black Chrome Finish; CarbonPro (carbon Fiber Composite) Bed Driver Alert Package I: Ultrasonic Front and Rear Park Assist; Rear Cross Traffic Alert; Perimeter Lighting; Lane Change Alert with Side Blind Zone Alert Driver Alert Package II: Forward Collision Alert; Lane Keep Assist with Lane Departure Warning; Front Pedestrian Braking; Following Distance Indicator; Automatic Emergency Braking; Safety Alert Seat; IntelliBeam Automatic High Beam On/off; Adaptive Cruise Control - Camera AT4 Preferred Package: Premium Bose 7-Speaker Sound System; Power Sliding Rear Window with Rear Defogger; Wireless Charging; Universal Home Remote; Premium GMC Infotainment System Radio with Navigation AT4 Premium Package: 6" Rectangular Black Tubular Assist Steps; LT275/65R18C MT BW Tires Technology Package: 8" Driver Information Center; HD Surround Vision with 2 Trailer View Camera Provisions; Multicolor 15" Diagonal Head-Up Display; High Gloss Black Mirror Caps; Bed View Camera; Rear Camera Mirror Preferred Equipment Group 4SB: Hitch Guidance; 2 USB Ports (1st Row); Electric Rear-Window Defogger; Theft Deterrent System (unauthorized Entry); Body-Color Surround Grille; High-Capacity Air Filter; Skid Plates; Compass; 4.2" Diagonal Color Display Driver Info Center; 120-Volt Instrument Panel Power Outlet; Heated Driver and Front Outboard Passenger Seating; Color-Keyed Carpeting Floor Covering; OnStar and GMC Connected Services Capable; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; All-Weather Floor Liners with AT4 Logo; Power Rear Windows with Express Down; Integrated Trailer Brake Controller; Ventilated Driver and Front Passenger Seats; 18" X 8.5" Machined Aluminum Wheels; Manual Tilt-Wheel and Telescoping Steering Column; HD Rear Vision Camera; LED Cargo Area Lighting; Remote Vehicle Starter System; Hill Descent Control; Floor-Mounted Center Console; 170 Amp Alternator; Auxiliary External Transmission Oil Cooler; Electrical Lock Control Steering Column; Trailering Package; Off-Road Suspension; Steering Wheel Audio Controls; GMC Connected Access Capable; 2-Speed Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bed Liner with AT4 Logo; HD Radio; Red Recovery Hooks; Power Front Windows with Driver Express Up/down; Rear Dual USB Charging-Only Ports; Keyless Open and Start; 4G LTE Wi-Fi Hotspot Capable; ProGrade Trailering System; Rear Wheelhouse Liners; 12-Volt Rear Auxiliary Power Outlet; 2 USB Ports; Heavy-Duty Rear Locking Differential; Power Door Locks Power Sunroof MulitPro Audio System by Kicker 6" Rectangular Black Tubular Assist Steps Satin Steel Metallic LT275/65R18C MT BW Tires Bed View Camera **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.**
AT4 CarbonPro Edition: AT4 Carbon Hard Badge; Gloss Black Dual Exhaust Tips; MulitPro Audio System by Kicker; Unique Grille Surround with Black Chrome Finish; CarbonPro (carbon Fiber Composite) Bed,Driver Alert Package I: Ultrasonic Front and Rear Park Assist; Rear Cross Traffic Alert; Perimeter Lighting; Lane Change Alert with Side Blind Zone Alert,Driver Alert Package II: Forward Collision Alert; Lane Keep Assist with Lane Departure Warning; Front Pedestrian Braking; Following Distance Indicator; Automatic Emergency Braking; Safety Alert Seat; IntelliBeam Automatic High Beam On/off; Adaptive Cruise Control - Camera,AT4 Preferred Package: Premium Bose 7-Speaker Sound System; Power Sliding Rear Window with Rear Defogger; Wireless Charging; Universal Home Remote; Premium GMC Infotainment System Radio with Navigation,AT4 Premium Package: 6" Rectangular Black Tubular Assist Steps; LT275/65R18C MT BW Tires,Technology Package: 8" Driver Information Center; HD Surround Vision with 2 Trailer View Camera Provisions; Multicolor 15" Diagonal Head-Up Display; High Gloss Black Mirror Caps; Bed View Camera; Rear Camera Mirror,Preferred Equipment Group 4SB: Hitch Guidance; 2 USB Ports (1st Row); Electric Rear-Window Defogger; Theft Deterrent System (unauthorized Entry); Body-Color Surround Grille; High-Capacity Air Filter; Skid Plates; Compass; 4.2" Diagonal Color Display Driver Info Center; 120-Volt Instrument Panel Power Outlet; Heated Driver and Front Outboard Passenger Seating; Color-Keyed Carpeting Floor Covering; OnStar and GMC Connected Services Capable; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; All-Weather Floor Liners with AT4 Logo; Power Rear Windows with Express Down; Integrated Trailer Brake Controller; Ventilated Driver and Front Passenger Seats; 18" X 8.5" Machined Aluminum Wheels; Manual Tilt-Wheel and Telescoping Steering Column; HD Rear Vision Camera; LED Cargo Area Lighting; Remote Vehicle Starter System; Hill Descent Control; Floor-Mounted Center Console; 170 Amp Alternator; Auxiliary External Transmission Oil Cooler; Electrical Lock Control Steering Column; Trailering Package; Off-Road Suspension; Steering Wheel Audio Controls; GMC Connected Access Capable; 2-Speed Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bed Liner with AT4 Logo; HD Radio; Red Recovery Hooks; Power Front Windows with Driver Express Up/down; Rear Dual USB Charging-Only Ports; Keyless Open and Start; 4G LTE Wi-Fi Hotspot Capable; ProGrade Trailering System; Rear Wheelhouse Liners; 12-Volt Rear Auxiliary Power Outlet; 2 USB Ports; Heavy-Duty Rear Locking Differential; Power Door Locks,Power Sunroof,MulitPro Audio System by Kicker,6" Rectangular Black Tubular Assist Steps,Satin Steel Metallic,LT275/65R18C MT BW Tires,Bed View Camera,Apple CarPlay/Android Auto smart device mirroring,Forward Collision Alert with Automatic Braking,Front Pedestrian Braking,4G LTE Wi-Fi Hotspot capable mobile hotspot internet access,Lane Keep Assist with Lane Departure Warning,Adaptive cruise control,Head-up display,Brake assist system,Cruise control with steering wheel mounted controls,Ventilated driver and front passenger seats,Integrated navigation system,Keyfob remote start,Heated steering wheel,Heated driver and front passenger seats,Heated rear seats,Leather front seat upholstery,Primary monitor touchscreen,Rear Cross-Traffic Alert collision warning,First-row sliding and tilting glass sunroof with express open activation sunshade,Driver seat power reclining, lumbar support, cushion tilt, fore/aft control and height adjustable control,AutoTrac part and full-time 4WD,Duramax 3L I-6 diesel direct injection, DOHC, variable valve control, intercooled turbo, diesel, engine with 277HP,Duramax 3L I-6 DOHC,Front wireless smart device charging,Teen Driver restricted driving mode/alerts,Smart key with hands-free access and push button start,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 (TSC) trailer sway control,Trailering Assist Guidelines vehicle and trailer reverse assist with visual graphic guidance only,Premium GMC Infotainment System external memory control,Pandora internet radio capability
Features
• AT4 CarbonPro Edition: AT4 Carbon Hard Badge; Gloss Black Dual Exhaust Tips; MulitPro Audio System by Kicker; Unique Grille Surround with Black Chrome Finish; CarbonPro (carbon Fiber Composite) Bed
• Driver Alert Package I: Ultrasonic Front and Rear Park Assist; Rear Cross Traffic Alert; Perimeter Lighting; Lane Change Alert with Side Blind Zone Alert
• Driver Alert Package II: Forward Collision Alert; Lane Keep Assist with Lane Departure Warning; Front Pedestrian Braking; Following Distance Indicator; Automatic Emergency Braking; Safety Alert Seat; IntelliBeam Automatic High Beam On/off; Adaptive Cruise Control - Camera
• AT4 Preferred Package: Premium Bose 7-Speaker Sound System; Power Sliding Rear Window with Rear Defogger; Wireless Charging; Universal Home Remote; Premium GMC Infotainment System Radio with Navigation
• Technology Package: 8" Driver Information Center; HD Surround Vision with 2 Trailer View Camera Provisions; Multicolor 15" Diagonal Head-Up Display; High Gloss Black Mirror Caps; Bed View Camera; Rear Camera Mirror
• Preferred Equipment Group 4SB: Hitch Guidance; 2 USB Ports (1st Row); Electric Rear-Window Defogger; Theft Deterrent System (unauthorized Entry); Body-Color Surround Grille; High-Capacity Air Filter; Skid Plates; Compass; 4.2" Diagonal Color Display Driver Info Center; 120-Volt Instrument Panel Power Outlet; Heated Driver and Front Outboard Passenger Seating; Color-Keyed Carpeting Floor Covering; OnStar and GMC Connected Services Capable; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; All-Weather Floor Liners with AT4 Logo; Power Rear Windows with Express Down; Integrated Trailer Brake Controller; Ventilated Driver and Front Passenger Seats; 18" X 8.5" Machined Aluminum Wheels; Manual Tilt-Wheel and Telescoping Steering Column; HD Rear Vision Camera; LED Cargo Area Lighting; Remote Vehicle Starter System; Hill Descent Control; Floor-Mounted Center Console; 170 Amp Alternator; Auxiliary External Transmission Oil Cooler; Electrical Lock Control Steering Column; Trailering Package; Off-Road Suspension; Steering Wheel Audio Controls; GMC Connected Access Capable; 2-Speed Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bed Liner with AT4 Logo; HD Radio; Red Recovery Hooks; Power Front Windows with Driver Express Up/down; Rear Dual USB Charging-Only Ports; Keyless Open and Start; 4G LTE Wi-Fi Hotspot Capable; ProGrade Trailering System; Rear Wheelhouse Liners; 12-Volt Rear Auxiliary Power Outlet; 2 USB Ports; Heavy-Duty Rear Locking Differential; Power Door Locks
• Power Sunroof
• MulitPro Audio System by Kicker
• 6" Rectangular Black Tubular Assist Steps
• Satin Steel Metallic
• LT275/65R18C MT BW Tires
• Bed View Camera
• Apple CarPlay/Android Auto smart device mirroring
• Forward Collision Alert with Automatic Braking
• Front Pedestrian Braking
• 4G LTE Wi-Fi Hotspot capable mobile hotspot internet access
• Lane Keep Assist with Lane Departure Warning
• Adaptive cruise control
• Head-up display
• Brake assist system
• Cruise control with steering wheel mounted controls
• Ventilated driver and front passenger seats
• Integrated navigation system
• Keyfob remote start
• Heated steering wheel
• Heated driver and front passenger seats
• Heated rear seats
• Leather front seat upholstery
• Primary monitor touchscreen
• Rear Cross-Traffic Alert collision warning
• First-row sliding and tilting glass sunroof with express open activation sunshade
• Driver seat power reclining
• lumbar support
• cushion tilt
• fore/aft control and height adjustable control
• AutoTrac part and full-time 4WD
• Duramax 3L I-6 diesel direct injection
• DOHC
• variable valve control
• intercooled turbo
• diesel
• engine with 277HP
• Duramax 3L I-6 DOHC
• Front wireless smart device charging
• Teen Driver restricted driving mode/alerts
• Smart key with hands-free access and push button start
• 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 (TSC) trailer sway control
• Trailering Assist Guidelines vehicle and trailer reverse assist with visual graphic guidance only
• Premium GMC Infotainment System external memory control
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