2021 GMC Sierra SLT
GMC Sierra Details
Automatic
6 Cyl, 3.0L
Satin Steel Metallic
4WD
Diesel
98,866 Miles
Jet Black
171049S
3GTU9DET1MG171049
1500
Leather
SLT
Estimated Payment
$0 / month
About This 2021 GMC Sierra
Vehicle Details
2021 GMC Sierra 1500 SLT 4WD — Premium capability meets exceptional value in Jacksonville, FL. This eye-catching GMC Sierra pairs a fuel-efficient 3.0L Duramax 6-cylinder diesel with a confident four-wheel-drive system for towing, highway efficiency, and off-road readiness. The SLT trim delivers a refined cabin and advanced tech — including Navigation, Hands-Free Bluetooth, Lane Keep Assist, and a Heated Steering Wheel — so every drive is comfortable, connected, and secure.
This GMC Sierra comes with a CARFAX Clean Report, giving you peace of mind on ownership history. The spacious bed and durable suspension make it ideal for worksite duty or weekend adventures, while the diesel torque ensures strong low-end power for towing trailers and hauling heavy loads. Inside, premium materials, thoughtful storage, and modern convenience features provide a sophisticated driving experience for families and professionals alike.
Located in Jacksonville, FL, this 2021 GMC Sierra 1500 SLT is offered at the best price in the area — exceptional value for a diesel-powered, 4WD pickup with these features and a clean vehicle history. Whether you're commuting, towing, or exploring, this GMC Sierra balances capability, comfort, and economy. Schedule a test drive today to experience the performance and technology firsthand — competitive pricing and a CARFAX Clean Report make this an outstanding buy in Jacksonville.
Equipment
Big enough to tow or haul, this GMC Sierra has the space, power and durability for anyone. This vehicle has four wheel drive capabilities. This 1/2 ton pickup has auto-adjust speed for safe following. This model offers Android Auto for seamless smartphone integration. This vehicle offers Apple CarPlay for seamless connectivity. This unit keeps you comfortable with Auto Climate. This unit has an automatic transmission. It features a high end BOSE stereo system. See what's behind you with the back up camera on this 1/2 ton pickup. The bed looks great and is protected with a durable surface material. Good News! This certified CARFAX 1-owner vehicle has only had one owner before you. 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. Maintaining a stable interior temperature in this 2021 GMC Sierra 1500 is easy with the climate control system. This model warns of approaching vehicles with Cross-Traffic Alert. This 1/2 ton pickup features cruise control for long trips. With a diesel engine you will be pleased with the power, torque, and fuel efficiency gains. The Electronic Stability Control will keep you on your intended path. It has a 6 Cyl, 3.0L high output engine. The vehicle emanates grace with its stylish gray exterior. This model features a hands-free Bluetooth phone system. The GMC Sierra is pure luxury with a heated steering wheel. With the keyless entry system on it you can pop the trunk without dropping your bags from the store. This 1/2 ton pickup's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. This GMC Sierra stays safely in its lane with Lane Keep Assist. The leather seats in this 1/2 ton pickup are a must for buyers looking for comfort, durability, and style. Help alleviate lower back pain with the driver seat lumbar support in this 1/2 ton pickup. The installed navigation system will keep you on the right path. An off-road package is equipped on this GMC Sierra. Keep safely connected while in this model with OnStar. You may enjoy services like Automatic Crash Response, Navigation, Roadside Assistance and Hands-Free Calling. Start this GMC Sierra from inside with remote start. The steering wheel audio controls on this model keep the volume and station within easy reach. The vehicle has an adjustable telescoping wheel that allows you to achieve a perfect fit for your driving comfort. Greater towing safety becomes standard with the installed trailer brake.
Packages
SLT Convenience Package: Ventilated Driver and Front Passenger Seats; Heated 2nd Row Outboard Seats; Power Sliding Rear Window with Rear Defogger; 2 USB Ports (1st Row); Floor-Mounted Center Console; Front Bucket Seats; 2 USB Ports; Universal Home Remote. 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. X31 Off-Road Package: 2-Speed Transfer Case; Hill Descent Control; Dual Exhaust with Premium Tips; Off-Road Suspension; Skid Plates; Heavy-Duty Air Filter; X31 Hard Badge. SLT Preferred Package: Premium Bose 7-Speaker Sound System; Wireless Charging; Premium GMC Infotainment System Radio with Navigation. SLT Premium Plus Package: 20" X 9" Polished Aluminum Wheels; Chrome Wheel to Wheel Assist Steps; Spray-On Pickup Bed Liner with GMC Logo; 10-Speed Automatic Transmission. Preferred Equipment Group 4SA: LED Cargo Area Lighting; Remote Vehicle Starter System; Electric Rear-Window Defogger; 5.3L EcoTec3 V8 Engine; Theft Deterrent System (unauthorized Entry); Chrome Grille; 170 Amp Alternator; Auxiliary External Transmission Oil Cooler; Compass; Electrical Lock Control Steering Column; Trailering Package; 120-Volt Instrument Panel Power Outlet; Heated Driver and Front Outboard Passenger Seating; 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; Deep-Tinted Glass; Power Rear Windows with Express Down; Integrated Trailer Brake Controller; Single Speed Transfer Case; Power Front Windows with Driver Express Up/down; Manual Tilt-Wheel and Telescoping Steering Column; Rear Dual USB Charging-Only Ports; Front Frame-Mounted Black Recovery Hooks; Keyless Open and Start; 4G LTE Wi-Fi Hotspot Capable; ProGrade Trailering System; Rear Wheelhouse Liners; 12-Volt Rear Auxiliary Power Outlet; Auto-Locking Rear Differential; Power Door Locks. 20" X 9" Polished Aluminum Wheels. Power Sunroof. Chrome Wheel to Wheel Assist Steps. Spray-On Pickup Bed Liner with GMC Logo. Satin Steel Metallic. 275/60R20SL AT 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.**
2021 GMC Sierra 1500 SLT 4WD — Premium capability meets exceptional value in Jacksonville, FL. This eye-catching GMC Sierra pairs a fuel-efficient 3.0L Duramax 6-cylinder diesel with a confident four-wheel-drive system for towing, highway efficiency, and off-road readiness. The SLT trim delivers a refined cabin and advanced tech — including Navigation, Hands-Free Bluetooth, Lane Keep Assist, and a Heated Steering Wheel — so every drive is comfortable, connected, and secure.
This GMC Sierra comes with a CARFAX Clean Report, giving you peace of mind on ownership history. The spacious bed and durable suspension make it ideal for worksite duty or weekend adventures, while the diesel torque ensures strong low-end power for towing trailers and hauling heavy loads. Inside, premium materials, thoughtful storage, and modern convenience features provide a sophisticated driving experience for families and professionals alike.
Located in Jacksonville, FL, this 2021 GMC Sierra 1500 SLT is offered at the best price in the area — exceptional value for a diesel-powered, 4WD pickup with these features and a clean vehicle history. Whether you're commuting, towing, or exploring, this GMC Sierra balances capability, comfort, and economy. Schedule a test drive today to experience the performance and technology firsthand — competitive pricing and a CARFAX Clean Report make this an outstanding buy in Jacksonville.
Equipment
Big enough to tow or haul, this GMC Sierra has the space, power and durability for anyone. This vehicle has four wheel drive capabilities. This 1/2 ton pickup has auto-adjust speed for safe following. This model offers Android Auto for seamless smartphone integration. This vehicle offers Apple CarPlay for seamless connectivity. This unit keeps you comfortable with Auto Climate. This unit has an automatic transmission. It features a high end BOSE stereo system. See what's behind you with the back up camera on this 1/2 ton pickup. The bed looks great and is protected with a durable surface material. Good News! This certified CARFAX 1-owner vehicle has only had one owner before you. 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. Maintaining a stable interior temperature in this 2021 GMC Sierra 1500 is easy with the climate control system. This model warns of approaching vehicles with Cross-Traffic Alert. This 1/2 ton pickup features cruise control for long trips. With a diesel engine you will be pleased with the power, torque, and fuel efficiency gains. The Electronic Stability Control will keep you on your intended path. It has a 6 Cyl, 3.0L high output engine. The vehicle emanates grace with its stylish gray exterior. This model features a hands-free Bluetooth phone system. The GMC Sierra is pure luxury with a heated steering wheel. With the keyless entry system on it you can pop the trunk without dropping your bags from the store. This 1/2 ton pickup's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. This GMC Sierra stays safely in its lane with Lane Keep Assist. The leather seats in this 1/2 ton pickup are a must for buyers looking for comfort, durability, and style. Help alleviate lower back pain with the driver seat lumbar support in this 1/2 ton pickup. The installed navigation system will keep you on the right path. An off-road package is equipped on this GMC Sierra. Keep safely connected while in this model with OnStar. You may enjoy services like Automatic Crash Response, Navigation, Roadside Assistance and Hands-Free Calling. Start this GMC Sierra from inside with remote start. The steering wheel audio controls on this model keep the volume and station within easy reach. The vehicle has an adjustable telescoping wheel that allows you to achieve a perfect fit for your driving comfort. Greater towing safety becomes standard with the installed trailer brake.
Packages
SLT Convenience Package: Ventilated Driver and Front Passenger Seats; Heated 2nd Row Outboard Seats; Power Sliding Rear Window with Rear Defogger; 2 USB Ports (1st Row); Floor-Mounted Center Console; Front Bucket Seats; 2 USB Ports; Universal Home Remote. 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. X31 Off-Road Package: 2-Speed Transfer Case; Hill Descent Control; Dual Exhaust with Premium Tips; Off-Road Suspension; Skid Plates; Heavy-Duty Air Filter; X31 Hard Badge. SLT Preferred Package: Premium Bose 7-Speaker Sound System; Wireless Charging; Premium GMC Infotainment System Radio with Navigation. SLT Premium Plus Package: 20" X 9" Polished Aluminum Wheels; Chrome Wheel to Wheel Assist Steps; Spray-On Pickup Bed Liner with GMC Logo; 10-Speed Automatic Transmission. Preferred Equipment Group 4SA: LED Cargo Area Lighting; Remote Vehicle Starter System; Electric Rear-Window Defogger; 5.3L EcoTec3 V8 Engine; Theft Deterrent System (unauthorized Entry); Chrome Grille; 170 Amp Alternator; Auxiliary External Transmission Oil Cooler; Compass; Electrical Lock Control Steering Column; Trailering Package; 120-Volt Instrument Panel Power Outlet; Heated Driver and Front Outboard Passenger Seating; 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; Deep-Tinted Glass; Power Rear Windows with Express Down; Integrated Trailer Brake Controller; Single Speed Transfer Case; Power Front Windows with Driver Express Up/down; Manual Tilt-Wheel and Telescoping Steering Column; Rear Dual USB Charging-Only Ports; Front Frame-Mounted Black Recovery Hooks; Keyless Open and Start; 4G LTE Wi-Fi Hotspot Capable; ProGrade Trailering System; Rear Wheelhouse Liners; 12-Volt Rear Auxiliary Power Outlet; Auto-Locking Rear Differential; Power Door Locks. 20" X 9" Polished Aluminum Wheels. Power Sunroof. Chrome Wheel to Wheel Assist Steps. Spray-On Pickup Bed Liner with GMC Logo. Satin Steel Metallic. 275/60R20SL AT 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
- SLT Convenience Package: Ventilated Driver and Front Passenger Seats; Heated 2nd Row Outboard Seats; Power Sliding Rear Window with Rear Defogger; 2 USB Ports (1st Row); Floor-Mounted Center Console; Front Bucket Seats; 2 USB Ports; Universal Home Remote
- 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
- X31 Off-Road Package: 2-Speed Transfer Case; Hill Descent Control; Dual Exhaust with Premium Tips; Off-Road Suspension; Skid Plates; Heavy-Duty Air Filter; X31 Hard Badge
- SLT Preferred Package: Premium Bose 7-Speaker Sound System; Wireless Charging; Premium GMC Infotainment System Radio with Navigation
- SLT Premium Plus Package: 20" X 9" Polished Aluminum Wheels; Chrome Wheel to Wheel Assist Steps; Spray-On Pickup Bed Liner with GMC Logo; 10-Speed Automatic Transmission
- Preferred Equipment Group 4SA: LED Cargo Area Lighting; Remote Vehicle Starter System; Electric Rear-Window Defogger; 5.3L EcoTec3 V8 Engine; Theft Deterrent System (unauthorized Entry); Chrome Grille; 170 Amp Alternator; Auxiliary External Transmission Oil Cooler; Compass; Electrical Lock Control Steering Column; Trailering Package; 120-Volt Instrument Panel Power Outlet; Heated Driver and Front Outboard Passenger Seating; 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; Deep-Tinted Glass; Power Rear Windows with Express Down; Integrated Trailer Brake Controller; Single Speed Transfer Case; Power Front Windows with Driver Express Up/down; Manual Tilt-Wheel and Telescoping Steering Column; Rear Dual USB Charging-Only Ports; Front Frame-Mounted Black Recovery Hooks; Keyless Open and Start; 4G LTE Wi-Fi Hotspot Capable; ProGrade Trailering System; Rear Wheelhouse Liners; 12-Volt Rear Auxiliary Power Outlet; Auto-Locking Rear Differential; Power Door Locks
- 20" X 9" Polished Aluminum Wheels
- Power Sunroof
- Chrome Wheel to Wheel Assist Steps
- Spray-On Pickup Bed Liner with GMC Logo
- Satin Steel Metallic
- 275/60R20SL AT BW Tires
- 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
- HD Rear Vision Camera w/Hitch View rear mounted camera
- Lane Keep Assist with Lane Departure Warning
- Adaptive cruise control
- 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/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 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
- Keyfob window control
- Push-button
- Bluetooth wireless audio streaming
- Hitch Guidance vehicle to trailer hitching assist
- 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
- Internet radio capability
- 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
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