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This 2021 GMC Sierra 1500 SLT combines capable truck performance with refined comfort and modern convenience features designed for those who demand quality in their work and daily driving.
- 3.0L Duramax Diesel I-6 Turbocharged engine with 277 hp and 460 lb-ft of torque
- 10-Speed Automatic transmission with ProGrade Trailering System
- Texas Edition SLT Premium Package with 20" polished aluminum wheels and chrome assist steps
- Driver Alert Package I featuring front and rear park assist, lane change alert with side blind zone alert, and rear cross traffic alert
- Ventilated and heated front seating with 10-way power adjustments and lumbar support
- Remote vehicle starter system with keyless open and start
- 120-volt bed-mounted and instrument panel power outlets
- Integrated trailer brake controller with hitch guidance and in-vehicle trailering app
- GMC Infotainment System with SiriusXM 360L satellite radio and Apple CarPlay/Android Auto compatibility
- 4G LTE Wi-Fi hotspot capability
- Heated steering wheel and auto-dimming rear-view mirror
- Power sliding rear window with rear defogger
- All-weather floor liners for first and second rows
- Heavy-duty suspension with auto-locking rear differential
- 220-amp alternator with engine block heater
This Sierra SLT delivers diesel efficiency with 23 city and 30 highway MPG, making it practical for both work and extended trips. The truck's thoughtful design includes power windows with express down on all positions, heated and ventilated seating for the driver and front passenger, and a spacious cabin appointed with quality materials. The Premium Package adds refinement with polished wheels and chrome trim details that enhance the truck's appearance while maintaining its rugged character.
The trailering package transforms this truck into a capable hauling platform, featuring an integrated brake controller, hitch guidance with camera view, and an in-vehicle app to monitor trailer systems. The frame-mounted recovery hooks, auxiliary transmission oil cooler, and heavy-duty suspension ensure this truck handles demanding tasks with confidence. Whether navigating parking situations or towing, the driver alert technologies and advanced camera systems provide peace of mind on every journey.
Interior conveniences include a floor-mounted console with organizer tray, dual USB ports throughout the cabin, and rear auxiliary power outlets. The GMC Connected Services integration keeps you informed about your truck's status and enables remote access features. Premium audio comes standard with multiple speaker configuration and satellite radio, transforming commutes and workdays with quality sound.
Built on GMC's commitment to precision and durability, this Sierra 1500 SLT represents a truck that respects your investment and delivers on its promises. The combination of diesel efficiency, modern technology, and practical design makes this truck ready for whatever comes next. We invite you to experience this truck firsthand in our showroom and understand why it stands out in its class.
Used 2021 GMCSierra 1500 SLT
- Diesel
- Exterior Color
- Satin Steel
- Interior Color
- Jet Black
- Odometer
- 65,233 miles
- Fuel Economy
- 15/22 MPG City/Hwy
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4x2
- Engine
- I-6 cyl
- VIN
- 3GTP8DET6MG333970
- Stock Number
- P2672
Highlighted Features
- Leather upholstery
- Automatic temperature control
- Wireless phone connectivity
- Front dual zone A/C
- Auto-dimming rearview mirror
- Split folding rear seat
- Memory seat
- Heated front seats
- Perimeter/approach lights
- Remote keyless entry
- Heated steering wheel
- Steering wheel mounted audio controls
Included Packages & Accessories
- Driver Alert Package I
- Preferred Equipment Group 4SA
- SLT Convenience Package
- Texas Edition SLT Premium Package
- Trailering Package
- 6 Speakers
- 6-Speaker Audio System Feature
- AM/FM radio: SiriusXM with 360L
- Premium audio system: GMC Infotainment System
- Radio data system
- Radio: Premium GMC Infotainment Sys w/Multi-Touch
- SiriusXM w/360L
- Steering Wheel Audio Controls
- Air Conditioning
- Automatic temperature control
- Electric Rear-Window Defogger
- Front dual zone A/C
- Rear window defroster
- 12-Volt Rear Auxiliary Power Outlet
- 120-Volt Bed Mounted Power Outlet
- 120-Volt Instrument Panel Power Outlet
- Driver Memory
- Memory seat
- Power driver seat
- Power Front Passenger Windows w/Express Up/Down
- Power Front Windows w/Driver Express Up/Down
- Power Rear Windows w/Express Down
- Power steering
- Power windows
- Remote keyless entry
- Remote Vehicle Starter System
- Steering wheel mounted audio controls
- Universal Home Remote
- Auto-Locking Rear Differential
- Electrical Lock Control Steering Column
- Heavy Duty Suspension
- Manual Tilt-Wheel & Telescoping Steering Column
- Speed-sensing steering
- Traction control
- 4-Wheel Disc Brakes
- ABS brakes
- Dual front impact airbags
- Dual front side impact airbags
- Front anti-roll bar
- Front wheel independent suspension
- Keyless Open & Start
- Low tire pressure warning
- Occupant sensing airbag
- Overhead airbag
- Power Door Locks
- Brake assist
- Electronic Stability Control
- Delay-off headlights
- Front fog lights
- Fully automatic headlights
- Perimeter Lighting
- Panic alarm
- Security system
- Theft Deterrent System (Unauthorized Entry)
- Speed control
- 170 Amp Alternator
- 220 Amp Alternator
- Auxiliary External Transmission Oil Cooler
- Engine Block Heater
- Auto-dimming door mirrors
- Bumpers: chrome
- Chrome Grille
- Chrome Wheel To Wheel Assist Steps
- Front License Plate Kit
- Heated door mirrors
- LED Cargo Area Lighting
- Power door mirrors
- ProGrade Trailering System
- Rear step bumper
- Rear Wheelhouse Liners
- Texas Edition Badging
- 2 USB Ports
- 2 USB Ports (1st Row)
- 4G LTE Wi-Fi Hotspot Capable
- All-Weather Floor Liner (LPO)
- Apple CarPlay/Android Auto
- Auto-dimming Rear-View mirror
- Color-Keyed Carpeting Floor Covering
- Compass
- Console Insert Organizer Tray (LPO)
- Driver door bin
- Driver vanity mirror
- Floor-Mounted Center Console
- Front reading lights
- GMC Connected Access Capable
- Heated steering wheel
- Illuminated entry
- Lane Change Alert w/Side Blind Zone Alert
- OnStar & GMC Connected Services Capable
- Outside temperature display
- Overhead console
- Passenger vanity mirror
- Rear Cross Traffic Alert
- Rear Dual USB Charging-Only Ports
- Rear reading lights
- Rear seat center armrest
- Tachometer
- Telescoping steering wheel
- Tilt steering wheel
- Trip computer
- Ultrasonic Front & Rear Park Assist
- Voltmeter
- 10-Way Power Driver Seat Adjuster w/Lumbar
- 10-Way Power Passenger Seat Adjuster w/Lumbar
- Front 40/20/40 Split-Bench Seat
- Front Bucket Seats
- Heated 2nd Row Outboard Seats
- Heated Driver & Front Outboard Passenger Seating
- Heated front seats
- Perf Leather-Appointed Front Outboard Seat Trim
- Power passenger seat
- Split folding rear seat
- Ventilated Driver & Front Passenger Seats
- Front Center Armrest w/Storage
- Passenger door bin
- Front Frame-Mounted Black Recovery Hooks
- Hitch Guidance
- Hitch Guidance w/Hitch View
- In-Vehicle Trailering App
- Integrated Trailer Brake Controller
- 20" x 9" Polished Aluminum Wheels
- Alloy wheels
- Wheels: 18" x 8.5" 6-Spoke Machined Aluminum
- Deep-Tinted Glass
- Power Sliding Rear Window w/Rear Defogger
- Variably intermittent wipers
- 3.23 Rear Axle Ratio
Detailed Specifications
- 1-touch down
- 1-touch up
- Air conditioning
- Auto-dimming rearview mirror
- Automatic temperature control
- Driver door bin
- Driver vanity mirror
- Front beverage holders
- Front dual zone A/C
- Heated steering wheel
- Illuminated entry
- Memory seat
- Overhead console
- Passenger door bin
- Passenger vanity mirror
- Power windows
- Proximity key: doors and push button start
- Rear beverage holders
- Rear door bins
- Remote engine start: keyfob
- Remote keyless entry
- Speed control
- Telescoping steering wheel
- Tilt steering wheel
- Alloy wheels
- Front anti-roll bar
- Front wheel independent suspension
- Power steering
- Speed-sensing steering
- 1st row LCD monitors: 2
- Primary LCD size: 8.0"
- Radio data system
- Smart device integration: Android Auto/Apple CarPlay
- Steering wheel mounted audio controls
- Wireless phone connectivity: Bluetooth
- Heated front seats
- Leather upholstery
- Power 2-way driver lumbar support
- Power 2-way passenger lumbar support
- Power driver seat
- Power passenger seat
- Rear seat center armrest
- Rear seats: split-bench
- Rear seats Folding position: fold-up cushion
- Seat Upholstery: leather
- Split folding rear seat
- Drive type: rear-wheel
- Engine location: front
- Fuel economy city: 15mpg
- Fuel economy combined: 17mpg
- Fuel economy highway: 22mpg
- Hybrid traction battery type: none
- Manual-shift auto
- Mode select transmission
- Rear locking differential
- Standard fuel economy fuel type: gasoline
- Variable valve control
- Ground clearance (min): 200mm (7.9")
- Auto-dimming door mirrors
- Bumpers: chrome
- Door mirrors: chrome
- Heated door mirrors
- Left rear passenger door: conventional
- Power door mirrors
- Rear cargo: tailgate
- Rear step bumper
- Right rear passenger: conventional
- Trailer hitch receiver
- Trailer sway control
- Exterior body width: 2,063mm (81.2")
- Exterior height: 1,917mm (75.5")
- Exterior length: 5,885mm (231.7")
- Front headroom: 1,093mm (43.0")
- Front hiproom: 1,554mm (61.2")
- Front legroom: 1,131mm (44.5")
- Front shoulder room: 1,677mm (66.0")
- Rear headroom: 1,019mm (40.1")
- Rear hiproom: 1,530mm (60.2")
- Rear legroom: 1,102mm (43.4")
- Rear shoulder room: 1,655mm (65.2")
- Wheelbase: 3,744mm (147.4")
- Appearance: analog
- Compass
- Delay-off headlights
- Front fog lights
- Front reading lights
- Fully automatic headlights
- Low tire pressure warning
- Oil pressure gauge
- Outside temperature display
- Rear reading lights
- Rear window defroster
- Tachometer
- Trip computer
- Variably intermittent wipers
- Voltmeter
- 4 wheel disc brakes
- ABS brakes
- Brake assist
- Dual front impact airbags
- Dual front side impact airbags
- Electronic stability
- Ignition disable
- Occupant sensing airbag
- Overhead airbag
- Panic alarm
- Perimeter/approach lights
- Security system
- Traction control
Dealer Notes
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