This 2020 GMC Sierra 1500 SLT in Onyx Black combines capability and comfort in a rugged crew cab design. Powered by a 3.0L turbocharged diesel engine paired with a 10-speed automatic transmission and 4WD, it delivers practical performance with an impressive 22 city and 26 highway MPG. With approximately 177,894 miles, this well-equipped truck offers exceptional value for buyers seeking a dependable work and family vehicle.
- 3.0L I-6 Diesel Turbocharged Engine with Engine Block Heater
- 4WD with X31 Off-Road Package and Heavy-Duty Suspension
- Texas Edition SLT Premium Package with SLT Preferred Package
- Jet Black Leather Interior with Heated and Ventilated Front Seats
- 10-Way Power Driver Seat and Memory Features
- Premium GMC Infotainment System with Apple CarPlay/Android Auto and SiriusXM 360L
- All-Terrain 275/60R20 Blackwall Tires with 20 Polished Aluminum Wheels
- ProGrade Trailering System with Integrated Trailer Brake Controller
- Wireless Charging, 4G LTE Wi-Fi Hotspot, and OnStar Connected Services
- All-Weather Floor Liners and Heated Steering Wheel
This Sierra 1500 SLT is ready to handle whatever you need whether that's weekend adventures or daily hauling. We invite you to experience this truck's commanding presence and refined interior in person. Schedule your test drive today.
Used 2020 GMCSierra 1500 SLT
- Diesel
- Exterior Color
- Onyx Black
- Interior Color
- JET BLACK, PERFORATED LEATHER-APPOINTED FRONT SEAT
- Odometer
- 177,894 miles
- Fuel Economy
- 15/20 MPG City/Hwy
- Transmission
- Automatic
- Drivetrain
- 4WD
- Engine
- I-6 cyl
- VIN
- 3GTU9DET2LG277217
- Stock Number
- T277217
Included Packages & Accessories
- Federal Emissions Requirements
- 3.23 Rear Axle Ratio
- Transmission: 10-Speed Automatic
- All-Weather Floor Liner
- Front License Plate Kit
- Preferred Equipment Group 4SA
- Radio: Premium GMC Infotainment Sys w/Multi-Touch
- 6-Speaker Audio System Feature
- SiriusXM w/360L
- HD Radio
- Compass
- Electric Rear-Window Defogger
- Power Door Locks
- Remote Vehicle Starter System
- Keyless Open & Start
- Color-Keyed Carpeting Floor Covering
- OnStar & GMC Connected Services Capable
- 4G LTE Wi-Fi Hotspot Capable
- GMC Connected Access Capable
- 12-Volt Rear Auxiliary Power Outlet
- 120-Volt Instrument Panel Power Outlet
- 120-Volt Bed Mounted Power Outlet
- Rear Dual USB Charging-Only Ports
- Front 40/20/40 Split-Bench Seat
- 10-Way Power Driver Seat Adjuster w/Lumbar
- 10-Way Power Passenger Seat Adjuster w/Lumbar
- Driver Memory
- Heated Driver & Front Outboard Passenger Seating
- Steering Wheel Audio Controls
- Manual Tilt-Wheel & Telescoping Steering Column
- Electrical Lock Control Steering Column
- Theft Deterrent System
- Power Front Windows w/Driver Express Up/Down
- Power Front Passenger Windows w/Express Up/Down
- Power Rear Windows w/Express Down
- Deep-Tinted Glass
- Chrome Grille
- LED Cargo Area Lighting
- Front Frame-Mounted Black Recovery Hooks
- Tires: 265/65R18SL AS BW
- Wheels: 18" x 8.5" 6-Spoke Machined Aluminum
- Rear Wheelhouse Liners
- Trailering Package
- ProGrade Trailering System
- Hitch Guidance w/Hitch View
- In-Vehicle Trailering App
- 170 Amp Alternator
- Auxiliary External Transmission Oil Cooler
- Heavy-Duty Rear Locking Differential
- Engine: 5.3L EcoTec3 V8
- Hitch Guidance
- Integrated Trailer Brake Controller
- Single Speed Transfer Case
- Power Sliding Rear Window w/Rear Defogger
- Front Bucket Seats
- Chrome Wheel To Wheel Assist Steps
- GVWR: 7,200 lbs
- Floor-Mounted Center Console
- Radio: Premium GMC Infotainment Sys w/Navigation
- Hill Descent Control
- Engine Block Heater
- High-Capacity Air Filter
- Wireless Charging
- Heated 2nd Row Outboard Seats
- Ventilated Driver & Front Passenger Seats
- 220 Amp Alternator
- Engine: Duramax 3.0L Turbo-Diesel I6
- 850 Heavy-Duty Battery
- Delete External Engine Oil Cooler
- 2 USB Ports
- Dual Exhaust w/Premium Tips
- 2-Speed Transfer Case
- Wheels: 20" x 9" Polished Aluminum
- Skid Plates
- SLT Convenience Package
- Universal Home Remote
- Texas Edition SLT Premium Package
- Texas Edition Badging
- SLT Preferred Package
- Premium Bose 7-Speaker Sound System
- Tires: 275/60R20SL AT BW
- 255/80R17SL AS BW Spare Tire
- X31 Off-Road Package
- Off-Road Suspension
- X31 Hard Badge
- Tires: 265/65R18SL AT BW
Detailed Specifications
- Max seating capacity: 5
- Fuel System: Direct Injection
- Fuel tank capacity: 24 gal
- Horsepower: 277
Standard Features
- SLT Convenience Package
- Wheels: 20" x 9" Polished Aluminum
- Chrome Wheel To Wheel Assist Steps
- Texas Edition Badging
- Front Bucket Seats
- Floor-Mounted Center Console
- Ventilated Driver & Front Passenger Seats
- Power Sliding Rear Window w/Rear Defogger
- Universal Home Remote
- Heated 2nd Row Outboard Seats
- 2 USB Ports
- Radio: Premium GMC Infotainment Sys w/Navigation
- Premium Bose 7-Speaker Sound System
- Wireless Charging
- 220 Amp Alternator
- Engine Block Heater
- 850 Heavy-Duty Battery
- Delete External Engine Oil Cooler
- GVWR: 7,200 lbs
- Off-Road Suspension
- Hill Descent Control
- Skid Plates
- High-Capacity Air Filter
- X31 Hard Badge
- 2-Speed Transfer Case
- Tires: 265/65R18SL AT BW
- Dual Exhaust w/Premium Tips
- 255/80R17SL AS BW Spare Tire
- SiriusXM w/360L
- 120-Volt Bed Mounted Power Outlet
- 6-Speaker Audio System Feature
- SiriusXM w/360L
- 10-Way Power Driver Seat Adjuster w/Lumbar
- 10-Way Power Passenger Seat Adjuster w/Lumbar
- Driver Memory
- Radio: Premium GMC Infotainment Sys w/Multi-Touch
- HD Radio
- Compass
- Electric Rear-Window Defogger
- Power Door Locks
- Remote Vehicle Starter System
- Keyless Open & Start
- Color-Keyed Carpeting Floor Covering
- OnStar & GMC Connected Services Capable
- 4G LTE Wi-Fi Hotspot Capable
- GMC Connected Access Capable
- 12-Volt Rear Auxiliary Power Outlet
- 120-Volt Instrument Panel Power Outlet
- Rear Dual USB Charging-Only Ports
- Front 40/20/40 Split-Bench Seat
- Heated Driver & Front Outboard Passenger Seating
- Steering Wheel Audio Controls
- Manual Tilt-Wheel & Telescoping Steering Column
- Electrical Lock Control Steering Column
- Theft Deterrent System
- Power Front Windows w/Driver Express Up/Down
- Power Front Passenger Windows w/Express Up/Down
- Power Rear Windows w/Express Down
- Deep-Tinted Glass
- Chrome Grille
- LED Cargo Area Lighting
- Front Frame-Mounted Black Recovery Hooks
- Tires: 265/65R18SL AS BW
- Wheels: 18" x 8.5" 6-Spoke Machined Aluminum
- Rear Wheelhouse Liners
- Trailering Package
- ProGrade Trailering System
- 170 Amp Alternator
- Auxiliary External Transmission Oil Cooler
- Heavy-Duty Rear Locking Differential
- Engine: 5.3L EcoTec3 V8
- Hitch Guidance
- Integrated Trailer Brake Controller
- Single Speed Transfer Case
- Hitch Guidance w/Hitch View
- In-Vehicle Trailering App
Dealer Notes
KBB.com Consumer Reviews
Tax, title, license and dealer fees (unless itemized above) are extra. Not available with special finance or lease offers. Dealer retains all rebates. Discount and clearance price is after all available rebates/customer cash. Some customers will not qualify for all rebates/customer cash. Some rebates not available with special APR. Accessories not included in price. See dealer for details. Offer may not be available on all models and configurations. Offer may only apply if delivery is taken from dealer stock. Residency restrictions may apply. Not everyone will qualify for all incentives or rebates. Not all incentives and rebates can be combined. Regional incentives may vary from this offer. See dealer for all qualification requirements and complete offer details.MPG estimates on this website are EPA estimates; your actual mileage may vary. For used vehicles, MPG estimates are EPA estimates for the vehicle when it was new. The EPA periodically modifies its MPG calculation methodology; all MPG estimates are based on the methodology in effect when the vehicles were new (please see the Fuel Economy portion of the EPAs website for details, including a MPG recalculation tool).