This 2021 GMC Sierra 3500HD SLT combines rugged capability with refined comfort, powered by a legendary Duramax 6.6L V8 Turbodiesel engine paired with a 10-speed automatic transmission and 4WD. With 75,318 miles, this heavy-duty truck is ready to work or play, finished in white and built to handle demanding jobs with confidence and reliability.
- Gooseneck/5th Wheel Package
- Engine Block Heater
- Dual Alternators (220-Amp Primary, 170-Amp Auxiliary)
- SLT Convenience Package
- LPO Assist Step and Floor Liner Package
- LPO Auxiliary Trailer Camera, Wired
- LT235/80R17E All-Terrain Tires
- High Idle Switch
- LPO Rear Underseat Storage
- ProGrade Trailering System
This Sierra 3500HD is equipped with premium features designed for serious hauling and towing. The truck includes heated front seats with ventilation, a heated steering wheel, and an integrated trailering system with hitch guidance and trailer brake controller. Apple CarPlay and Android Auto integration keep you connected, while the 4.2-inch driver information center displays essential vehicle data. The truck features 4-wheel disc brakes, electronic stability control, and a suite of airbags for enhanced safety. Comfort extends throughout the cabin with a power-adjustable driver seat with lumbar support, split folding rear seats, and remote vehicle start capability.
This is a serious work truck built for those who demand performance and reliability. Contact us today to schedule a test drive and experience the capability this Sierra 3500HD has to offer.
2021 GMC Sierra 3500 HD SLT 4x4
- Used
- Diesel
$49,389Sale Price
$49,988Net Price
Johnson Auto Plaza
Call 303-654-1940
We’re here to help
PLEASE VERIFY EQUIPMENT LISTED. THESE SITES DECODE THE VIN# IN DIFFERENT WAYS, AND THEY ARE NOT ALWAYS ACCURATE.
The highlights
- Leather upholstery
- Automatic temperature control
- Premium audio system
- 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
The full 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
- Single rear wheels
- Speed-sensing steering
- Tires: all-terrain
- 1st row LCD monitors: 2
- AM/FM radio: SiriusXM with 360L
- Premium audio system: Premium GMC Infotainment System
- Primary LCD size: 8.0"
- Smart device integration: Apple CarPlay/Android Auto
- 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
- Cylinder configuration: V-8
- Drive type: four-wheel
- Engine liters: 6.6L
- Engine location: front
- Fuel tank capacity: 36.0gal.
- 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): 283mm (11.1")
- 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
- Turn signal indicator mirrors
- Exterior body width: 2,079mm (81.8")
- Exterior height: 2,049mm (80.7")
- Exterior length: 6,756mm (266.0")
- Front headroom: 1,093mm (43.0")
- Front hiproom: 1,554mm (61.2")
- Front legroom: 1,131mm (44.5")
- Front shoulder room: 1,676mm (66.0")
- Rear headroom: 1,019mm (40.1")
- Rear hiproom: 1,530mm (60.2")
- Rear legroom: 1,102mm (43.4")
- Rear shoulder room: 1,659mm (65.3")
- Turning radius: 8.7m (28.5')
- Wheelbase: 4,369mm (172.0")
- 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
Notes from the dealer
Peace of mind
Vehicle history report
- Title information
- Odometer readings
- Accident data (if applicable)
- Service history
- Vehicle usage
- Recall information (if applicable)
- Warranty status
A name you can trust
Johnson Auto Plaza is dedicated to your satisfaction before, during, and after your purchase. We'll go the extra mile to take care of you.
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PLEASE VERIFY EQUIPMENT LISTED. THESE SITES DECODE THE VIN# IN DIFFERENT WAYS, AND THEY ARE NOT ALWAYS ACCURATE.