2021 GMC Sierra AT4
GMC Sierra Details
Automatic
6 Cyl, 3.0L
Summit White
4WD
Diesel
92,866 Miles
Jet Black w/Kalahari Accents
S11670
1GTU9EET4MZ399164
1500
Leather
AT4
About This 2021 GMC Sierra
Vehicle Details
Discover rugged capability and refined comfort with this 2021 GMC Sierra 1500 AT4, located in Starkville, MS. Powered by a torquey 6-cylinder 3.0L diesel and equipped with 4WD, this GMC Sierra AT4 is built to tackle tough trails and long highway hauls with exceptional fuel efficiency and durability. The Off-Road Package boosts confidence off pavement with enhanced suspension and terrain-ready hardware, while AT4 styling adds an aggressive, purposeful look. Inside, enjoy modern connectivity and convenience: Apple CarPlay keeps your navigation and media seamless, steering wheel audio controls put sound and calls at your fingertips, and automatic climate control maintains perfect comfort for every drive. The heated steering wheel adds luxury on chilly mornings, ensuring every journey is cozy and controlled. This GMC Sierra AT4 combines capable performance, advanced features, and rugged design — and it's priced to move. Located in Starkville, MS, this vehicle offers the best price in the area for buyers seeking a diesel 4WD pickup with off-road capability and premium amenities. Don't miss the opportunity to own a versatile, dependable GMC Sierra 1500 AT4 that balances comfort, tech, and trail-ready performance. Contact us today to schedule a test drive and see why this is the smart buy.
Equipment
Never get into a cold vehicle again with the remote start feature on this 1/2 ton pickup. This 1/2 ton pickup has a clean CARFAX vehicle history report. This model offers Apple CarPlay for seamless connectivity. The leather seats in this GMC Sierra are a must for buyers looking for comfort, durability, and style. Bluetooth technology is built into this GMC Sierra, keeping your hands on the steering wheel and your focus on the road. Protect this 2021 GMC Sierra 1500 from unwanted accidents with a cutting edge backup camera system. Good News! This certified CARFAX 1-owner vehicle has only had one owner before you. This unit comes equipped with Android Auto for seamless smartphone integration on the road. The GMC Sierra features steering wheel audio controls. An off-road package is equipped on the GMC Sierra. This unit is pure luxury with a heated steering wheel. This GMC Sierra offers Automatic Climate Control for personalized comfort.
Packages
Preferred Equipment Group 4SB: HD Rear Vision Camera; LED Cargo Area Lighting; Remote Vehicle Starter System; 2 USB Ports (1st Row); Hill Descent Control; Electric Rear-Window Defogger; Floor-Mounted Center Console; Theft Deterrent System (unauthorized Entry); Body-Color Surround Grille; 170 Amp Alternator; Auxiliary External Transmission Oil Cooler; Heavy-Duty Air Filter; Skid Plates; Compass; 4.2" Diagonal Color Display Driver Info Center; Electrical Lock Control Steering Column; Trailering Package; 120-Volt Instrument Panel Power Outlet; Heated Driver and Front Outboard Passenger Seating; Off-Road Suspension; Front Premium Floor Liners with Removable Carpet Insert; Steering Wheel Audio Controls; GMC Connected Access Capable; Color-Keyed Carpeting Floor Covering; OnStar and GMC Connected Services Capable; Power Front Passenger Windows with Express Up/down; 2-Speed Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bed Liner with AT4 Logo; Premium GMC Infotainment System Radio with Multi-Touch; Power Rear Windows with Express Down; Red Recovery Hooks; Integrated Trailer Brake Controller; Power Front Windows with Driver Express Up/down; Ventilated Driver and Front Passenger Seats; 18" X 8.5" Machined Aluminum Wheels; Manual Tilt-Wheel and Telescoping Steering Column; 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; Auto-Locking Rear Differential; Power Door Locks. LT275/65R18C MT BW Tires. **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.**
Discover rugged capability and refined comfort with this 2021 GMC Sierra 1500 AT4, located in Starkville, MS. Powered by a torquey 6-cylinder 3.0L diesel and equipped with 4WD, this GMC Sierra AT4 is built to tackle tough trails and long highway hauls with exceptional fuel efficiency and durability. The Off-Road Package boosts confidence off pavement with enhanced suspension and terrain-ready hardware, while AT4 styling adds an aggressive, purposeful look. Inside, enjoy modern connectivity and convenience: Apple CarPlay keeps your navigation and media seamless, steering wheel audio controls put sound and calls at your fingertips, and automatic climate control maintains perfect comfort for every drive. The heated steering wheel adds luxury on chilly mornings, ensuring every journey is cozy and controlled. This GMC Sierra AT4 combines capable performance, advanced features, and rugged design — and it's priced to move. Located in Starkville, MS, this vehicle offers the best price in the area for buyers seeking a diesel 4WD pickup with off-road capability and premium amenities. Don't miss the opportunity to own a versatile, dependable GMC Sierra 1500 AT4 that balances comfort, tech, and trail-ready performance. Contact us today to schedule a test drive and see why this is the smart buy.
Equipment
Never get into a cold vehicle again with the remote start feature on this 1/2 ton pickup. This 1/2 ton pickup has a clean CARFAX vehicle history report. This model offers Apple CarPlay for seamless connectivity. The leather seats in this GMC Sierra are a must for buyers looking for comfort, durability, and style. Bluetooth technology is built into this GMC Sierra, keeping your hands on the steering wheel and your focus on the road. Protect this 2021 GMC Sierra 1500 from unwanted accidents with a cutting edge backup camera system. Good News! This certified CARFAX 1-owner vehicle has only had one owner before you. This unit comes equipped with Android Auto for seamless smartphone integration on the road. The GMC Sierra features steering wheel audio controls. An off-road package is equipped on the GMC Sierra. This unit is pure luxury with a heated steering wheel. This GMC Sierra offers Automatic Climate Control for personalized comfort.
Packages
Preferred Equipment Group 4SB: HD Rear Vision Camera; LED Cargo Area Lighting; Remote Vehicle Starter System; 2 USB Ports (1st Row); Hill Descent Control; Electric Rear-Window Defogger; Floor-Mounted Center Console; Theft Deterrent System (unauthorized Entry); Body-Color Surround Grille; 170 Amp Alternator; Auxiliary External Transmission Oil Cooler; Heavy-Duty Air Filter; Skid Plates; Compass; 4.2" Diagonal Color Display Driver Info Center; Electrical Lock Control Steering Column; Trailering Package; 120-Volt Instrument Panel Power Outlet; Heated Driver and Front Outboard Passenger Seating; Off-Road Suspension; Front Premium Floor Liners with Removable Carpet Insert; Steering Wheel Audio Controls; GMC Connected Access Capable; Color-Keyed Carpeting Floor Covering; OnStar and GMC Connected Services Capable; Power Front Passenger Windows with Express Up/down; 2-Speed Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bed Liner with AT4 Logo; Premium GMC Infotainment System Radio with Multi-Touch; Power Rear Windows with Express Down; Red Recovery Hooks; Integrated Trailer Brake Controller; Power Front Windows with Driver Express Up/down; Ventilated Driver and Front Passenger Seats; 18" X 8.5" Machined Aluminum Wheels; Manual Tilt-Wheel and Telescoping Steering Column; 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; Auto-Locking Rear Differential; Power Door Locks. LT275/65R18C MT BW Tires. **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.**
Features & Options
- Preferred Equipment Group 4SB: HD Rear Vision Camera; LED Cargo Area Lighting; Remote Vehicle Starter System; 2 USB Ports (1st Row); Hill Descent Control; Electric Rear-Window Defogger; Floor-Mounted Center Console; Theft Deterrent System (unauthorized Entry); Body-Color Surround Grille; 170 Amp Alternator; Auxiliary External Transmission Oil Cooler; Heavy-Duty Air Filter; Skid Plates; Compass; 4.2" Diagonal Color Display Driver Info Center; Electrical Lock Control Steering Column; Trailering Package; 120-Volt Instrument Panel Power Outlet; Heated Driver and Front Outboard Passenger Seating; Off-Road Suspension; Front Premium Floor Liners with Removable Carpet Insert; Steering Wheel Audio Controls; GMC Connected Access Capable; Color-Keyed Carpeting Floor Covering; OnStar and GMC Connected Services Capable; Power Front Passenger Windows with Express Up/down; 2-Speed Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bed Liner with AT4 Logo; Premium GMC Infotainment System Radio with Multi-Touch; Power Rear Windows with Express Down; Red Recovery Hooks; Integrated Trailer Brake Controller; Power Front Windows with Driver Express Up/down; Ventilated Driver and Front Passenger Seats; 18" X 8.5" Machined Aluminum Wheels; Manual Tilt-Wheel and Telescoping Steering Column; 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; Auto-Locking Rear Differential; Power Door Locks
- LT275/65R18C MT BW Tires
- Apple CarPlay/Android Auto smart device mirroring
- 4G LTE Wi-Fi Hotspot capable mobile hotspot internet access
- HD Rear Vision Camera w/Hitch View rear mounted camera
- Brake assist system
- Cruise control with steering wheel mounted controls
- Ventilated driver and front passenger seats
- Keyfob remote start
- Heated steering wheel
- Heated driver and front passenger seats
- Heated rear seats
- Leather front seat upholstery
- Primary monitor touchscreen
- 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
- Teen Driver restricted driving mode/alerts
- Smart key with hands-free access and push button start
- Keyfob window control
- Push-button
- Bluetooth wireless audio streaming
- Hitch Guidance vehicle to trailer hitching assist
- 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
- Immobilizer
- 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
- Internet radio capability
- 6 USB ports
- StabiliTrak w/Proactive Roll Avoidance electronic stability control system with anti-roll
- Hill Descent Control (HDC)
- Hill Start Assist (HSA)
- Automatic climate control
- Rear seat check warning
- 1 exterior 120V AC power outlet
- LED daytime running lights
- LED brake lights
- LED front fog lights
- Leather and metal-look steering wheel
- EZ Lift
- EZ Lower
- Integrated tailgate step
- Trailer hitch light
- Manual rear child safety door locks
- Heated driver and passenger side door mirrors
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