This 2021 GMC Sierra 2500HD SLT is a powerful and capable heavy-duty pickup that's ready to take on any job or adventure. With its impressive Duramax 6.6L V8 Turbodiesel engine, 10-speed automatic transmission, and rear-wheel drive, this truck delivers exceptional performance and towing capacity.
- Gooseneck/5th Wheel Prep Package
- SLT Convenience Package
- Remote keyless entry
- Remote Vehicle Starter System
- Brake assist
- Electronic Stability Control
- Universal Home Remote
- LED Smoked Amber Roof Marker Lamps
- 2 USB Ports
- 2 USB Ports (1st Row)
- Apple CarPlay/Android Auto
- Bed View Camera w/2 Trailer Camera Provisions
- Floor-Mounted Center Console
- Front Bucket Seats
- Heated & Ventilated Front Bucket Seats
- Heated 2nd Row Outboard Seats
This Sierra 2500HD SLT is more than just a work truck it's a premium, feature-rich vehicle that delivers exceptional comfort and convenience. The SLT Convenience Package adds desirable amenities like a power sliding rear window, heated and ventilated front seats, and a heated steering wheel. The Gooseneck/5th Wheel Prep Package ensures you have the necessary equipment to tow your largest trailers with ease.
As a GMC Certified Pre-Owned vehicle, this Sierra 2500HD has undergone a rigorous 172-point inspection and comes with a comprehensive warranty and maintenance plan. You'll enjoy the peace of mind of a $0 deductible, 12-month/12,000-mile limited warranty, 72-month/100,000-mile powertrain warranty, and 24 months/24,000 miles of scheduled maintenance. Plus, you get 3 days/150 miles to ensure it's the perfect fit.
With its impressive capabilities, premium features, and exceptional certification, this 2021 GMC Sierra 2500HD SLT is an exceptional value. Experience the power and comfort of this impressive heavy-duty pickup for yourself. Contact us today to schedule a test drive and see why this Sierra should be your next vehicle.
Used 2021 GMCSierra 2500HD SLT
- Diesel
- Exterior Color
- Summit White
- Interior Color
- Jet Black
- Odometer
- 21,176 miles
- Body/Seating
- Truck Crew Cab/5 seats
- Transmission
- 10-Speed Automatic
- Drivetrain
- RWD
- Engine
- 8
- VIN
- 1GT48NEY3MF148152
- Stock Number
- M580506
GMC
Sierra 2500HD
Highlighted Features
- 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
- Ventilated front seats
- Perimeter/approach lights
- Remote keyless entry
Included Packages & Accessories
- GVWR 11 050 LBS. (5012 KG)
- BED VIEW CAMERA camera in the CHMSL to show a view of the cargo bed display located in infotainment screen includes Two Trailer Camera Provisions
- LICENSE PLATE KIT FRONT
- SLT CONVENIENCE PACKAGE includes (A50) bucket seats with (D07) center console (KQV) ventilated front seats (A48) rear sliding power window (UG1) Universal Home Remote (MCR) USB Ports (Inside Console with bucket seats) (MCZ) 2 USB ports with auxiliary input (U01) Roof Marker Lamps also includes (KA6) rear heated seats
- TRANSMISSION ALLISON 10-SPEED AUTOMATIC
- SLT PREFERRED EQUIPMENT GROUP includes standard equipment
- SEATS HEATED SECOND ROW OUTBOARD SEATS
- CENTER CONSOLE FLOOR-MOUNTED with cup holders cell phone storage power cord management hanging file folder capability
- SEATS VENTILATED DRIVER AND FRONT PASSENGER
- SEATS FRONT BUCKET with center console
- GOOSENECK / 5TH WHEEL PREP PACKAGE -- HITCH PLATFORM TO ACCEPT GOOSENECK OR 5TH WHEEL HITCH. Includes hitch platform with tray to accept ball stamped bed holes with removable caps installed and bed mounted 7-pin trailer harness (similar to UY2 harness).
- WINTER GRILLE COVER
- WINDOW POWER REAR SLIDING with rear defogger
- UNIVERSAL HOME REMOTE
- AUDIO SYSTEM PREMIUM GMC INFOTAINMENT SYSTEM WITH 8" DIAGONAL COLOR TOUCH-SCREEN includes multi-touch display AM/FM stereo Bluetooth streaming audio for music and most phones featuring wireless Android Auto and Apple CarPlay capability for compatible phones advanced voice recognition in-vehicle apps personalized profiles for infotainment and vehicle settings (STD) (Includes (PZ8) Hitch Guidance with hitch view.)
- ENGINE BLOCK HEATER
- SUMMIT WHITE
- ASSIST STEPS CHROMED TUBULAR 6" RECTANGULAR CAB LENGTH (factory installed)
- REAR AXLE 3.42 RATIO
- ENGINE DURAMAX 6.6L TURBO-DIESEL V8 B20-DIESEL COMPATIBLE (445 hp @ 2800 rpm 910 lb-ft of torque @ 1600 rpm) (Includes (K05) engine block heater.)
- EXHAUST BRAKE
- JET BLACK PERFORATED LEATHER-APPOINTED FRONT OUTBOARD SEATING POSITIONS
- WHEELS 18" (45.7 CM) MACHINED ALUMINUM WHEEL with Dark Grey metallic accents (STD)
- PICKUP BED includes bed assist step (STD)
- TIRES LT275/70R18E ALL-TERRAIN BLACKWALL (STD)
- USB PORTS 2 (FIRST ROW) LOCATED ON INSTRUMENT PANEL
- ALTERNATOR 220 AMPS
- BED LINER SPRAY-ON PICKUP BEDLINER WITH GMC LOGO (does not include spray-on liner on tailgate due to Black composite inner panel)
- GOOSENECK / 5TH WHEEL PACKAGE includes (Z6A) Gooseneck / 5th Wheel Prep Package. (Includes (CGN) spray-on bed liner and (UVN) Bed View Camera.
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
- Garage door transmitter
- 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: Android Auto/Apple CarPlay
- Steering wheel mounted audio controls
- Wireless phone connectivity: Bluetooth
- Front center armrest: w/storage
- Front seats: bucket
- Heated front seats
- Heated rear seats
- Leather upholstery
- Max seating capacity: 5
- 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
- Ventilated front seats
- Block heater
- Compressor: intercooled turbo
- Cylinder configuration: V-8
- Drive type: rear-wheel
- Engine liters: 6.6L
- Engine location: front
- Fuel tank capacity: 36.0gal.
- Horsepower: 445hp @ 2,800RPM
- Hybrid traction battery type: none
- Manual-shift auto
- Mode select transmission
- Number of valves: 32
- Rear locking differential
- Recommended fuel: Diesel
- Standard fuel economy fuel type: gasoline
- Torque: 910 lb.-ft. @ 1,600RPM
- Transmission: 10 speed automatic
- Variable valve control
- Ground clearance (min): 257mm (10.1")
- Auto-dimming door mirrors
- Bedliner
- 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
- Compression ratio: 16.00 to 1
- Curb weight: 3,383kg (7,459lbs)
- Engine bore x stroke: 103.0mm x 99.0mm (4.06" x 3.90")
- Engine displacement: 6.6 L
- Engine horsepower: 445hp @ 2,800RPM
- Engine torque: 910 lb.-ft. @ 1,600RPM
- Exterior body width: 2,079mm (81.8")
- Exterior height: 2,027mm (79.8")
- Exterior length: 6,352mm (250.1")
- 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")
- Payload: 1,612kg (3,553lbs)
- Rear headroom: 1,013mm (39.9")
- Rear hiproom: 1,530mm (60.2")
- Rear legroom: 1,102mm (43.4")
- Rear shoulder room: 1,659mm (65.3")
- Towing capacity: 8,391kg (18,500lbs)
- Turning radius: 8.0m (26.3')
- Wheelbase: 4,037mm (158.9")
- Appearance: analog
- Compass
- Delay-off headlights
- Exterior parking camera cargo
- 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
KBB.com Consumer Reviews

Overall3.7Out of 5
- 2.0
Transmission trash
By Jason | on Monday, April 07, 2025
Bought a 2023 GMC Duramax diesel Sierra SLT had it for two years hit 50,000 miles. The throttlebody broke went in for service. Got it back three weeks at 62,000 miles now my transmission is slipping. I travel back-and-forth from South Carolina to North Carolina for work daughter’s truck would be my forever truck. What a joke Hundred thousand dollar truck junk… - 3.0
Infotainment system unreliable!
By Brian C | on Friday, June 27, 2025
The servicing dealer has been great, the GM engineers not so much! The truck will without warning have no sound for the radio and the blinkers. GM told the dealership to reprogram then when that didn't work they said replace the amplifier and when that didn't work, they said replace a module, and when that didn't work they said to replace the amplifier again, and when that didn't work they said we know it's a known problem but we don't know how to fix it. All of this with less than 9k miles. The dealer has done everything that GM has asked them to do, but none of it works. It's very frustrating to pay this much for a truck and you can't get the radio to stay working. It also got away from the factory with paint damage and a dent in the hood,( the dent is from the inside out on a double wall). I thought I was upgrading when I went from a F250 Lariat to a Denali, but I may have traded one headache for another.… - 5.0
Fantastic truck
By Jjj | on Sunday, November 07, 2021
This one of the most solid vehicles that I have ever driven! The 401 hp engine is more than enough power and the transmission is smooth! Highly recommend this truck!…
Based on 15 consumer ratings for 2020–2026 models. | Privacy
*All prices plus government fees and taxes, any finance charges, any dealer document processing charge of $85, any electronic filing charge and any emission testing charge. While every reasonable effort is made to ensure the accuracy of this information, we are not responsible for any errors or omissions contained on these pages. Please verify any information in question with Motor City Lexus of Bakersfield.
- Internet Price
- $57,990
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- We're here to help: (661) 509-7351




