2021 GMC Sierra 3500HD SLT

ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE

History & Pricing Tools

Features

Exterior
Onyx Black
Interior
Jet Black
Drivetrain
Four Wheel Drive
Engine
6.6L 8 Cylinders
Fuel
Diesel
Horsepower
445 hp @ 2800 rpm
Torque
910 lb-ft @ 1600 rpm
Transmission
Automatic

Included Packages & Options

Option
Original
MSRP ($)
DRIVER ALERT PACKAGE I
Includes (UD5) Front And Rear Park Assist
(UKC) Lane Change Alert With Side Blind Zone Alert And (UFG) Rear Cross Traffic Alert (Includes Perimeter Lighting.
$1,095
ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE
(445 Hp [332 Kw] @ 2800 Rpm
910 Lb-Ft Of Torque [1220 Nm] @ 1600 Rpm) (Includes (K05) Engine Block Heater.)
$11,195
GOOSENECK / 5TH WHEEL PACKAGE
Includes (Z6A) Gooseneck / 5Th Wheel Prep Package. (Includes (CGN) Spray-On Bed Liner And (UVN) Bed View Camera.
$1,545
SLT CONVENIENCE PACKAGE
Includes (A50) Bucket Seats With (D07) Centre 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 And (KA6) Rear Heated Seats; Single Rear Wheel Models Also Include (U01) Roof Marker Lamps
$2,180
SUNROOF, POWER
$1,325
WHEELS, 20" (50.8 CM) MACHINED ALUMINUM WHEEL
With Bright Silver Accents
$1,610
Additional Options
$2,590
Total Added Value
$21,540

Description

Demand attention on the road and the job site with this commanding 2021 GMC Sierra 3500HD 4WD Crew Cab 159" SLT. Finished in a striking Onyx Black exterior and paired with a sophisticated Jet Black interior, this heavy-duty pickup seamlessly blends professional-grade styling with rugged capability. Designed for those who require uncompromising strength and a premium aesthetic, this truck boasts an imposing road presence accented by its 20" machined aluminum wheels.

Under the hood, this powerhouse is driven by the formidable Duramax 6.6L Turbo-Diesel V8 engine, which is B20-diesel compatible and engineered to deliver the massive torque required for your heaviest towing and hauling tasks. Paired with a robust Four Wheel Drive (4WD) drivetrain, this 2021 GMC Sierra 3500HD offers exceptional traction and control across challenging terrains and diverse driving conditions. Ready to work from day one, this truck comes equipped with the Gooseneck / 5th Wheel Package, establishing it as an elite choice for pulling heavy trailers, campers, or commercial loads.

Inside the spacious cabin, comfort and utility are elevated by the inclusion of the SLT Convenience Package, which enhances your daily driving experience with premium amenities. A power sunroof adds an open-air feel to the Jet Black cabin, making long hauls feel effortless. Combining heavy-duty capability with premium convenience features, this 2021 GMC Sierra 3500HD SLT is the ultimate driving machine for those who demand power, luxury, and versatility.

Estimated Payment Calculator

Loan Amount
$46,980
Estimated Payment *
$0/mo
Credit Score
520 - Below 23.90% APR
580 - 619 20.90% APR
620 - 679 12.90% APR
680 - 779 8.90% APR
780 - Above 7.90% APR
Payment Terms
24 mo
36 mo
48 mo
60 mo
72 mo
Disclaimer

All Payments exclude government fees and taxes, any finance charges, any dealer document preparation charges, and any emission testing charges. The price for listed vehicles as equipped does not include charges such as: License, Title, Registration Fees, State or Local Taxes, Smog Fees, Credit Investigation, Optional Credit Insurance, Physical Damage of Liability Insurance, or Delivery Fees.

Specifications

ONYX BLACK
Pickup Box: Bed Liner
Pickup Box: Integrated Tailgate Step
Roof: Generic Sun/Moonroof
Roof: Sun/Moonroof
Running Boards: Running Boards/Side Steps
Tire - Front: Tires - Front All-Terrain
Tire - Rear: Tires - Rear All-Terrain
Tire - Spare: Conventional Spare Tire
Exterior
Bed Step, Black integrated on forward portion of bed on driver and passenger side (Not available with (ZW9) pickup bed delete.)
Bumper, front chrome lower
Bumper, rear chrome with bumper CornerSteps
Cargo tie downs (12), fixed, rated at 500 lbs (226.8 kg) per corner
CornerStep, rear bumper
Door handles, chrome
Fog lamps, LED
Glass, deep-tinted
Grille, Chrome surround with high gloss Black mesh and Chrome inserts
Lamps, cargo area, cab mounted integrated with centre high mount stop lamp, with switch in bank on left side of steering wheel
LED Cargo Area Lighting located in cargo bed activated with switch on centre switch bank or key fob
Mirror caps, chrome
Mirrors, outside power-adjustable vertical trailering with heated and auto-dimming upper glass, (driver and passenger) lower convex mirrors, turn signal indicators, puddle lamps, perimeter lighting, auxiliary lighting, power folding/extending (extends 3.31" [84.25mm])
Mouldings, beltline, stainless steel
Single Rear Wheels
Tailgate and bed rail protection caps, top (Deleted with (ZW9) pickup bed delete.)
Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light (Deleted with (ZW9) pickup bed delete.)
Tailgate, GMC MultiPro Tailgate with six functional load/access features (Deleted with (ZW9) pickup bed delete.)
Taillamps, LED signature taillight with LED stop and reverse light
Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door (Deleted with (ZW9) pickup bed delete.)
Tire, spare LT275/70R18 all-terrain, blackwall (Included and only available with (QF6) LT275/70R18E all-terrain, blackwall tires or (QF9) LT275/65R20 all-terrain, blackwall tires with (E63) pickup bed models. Available to order when (ZW9) pickup bed delete and (QF6) LT275/70R18E all-terrain, blackwall tires are ordered.)
Wheelhouse liners, rear (Not available with dual rear wheel models.)

Disclaimer

All advertised prices exclude government fees and taxes, any finance charges, any dealer document preparation charges, and any emission testing charges. While we try to make sure that all prices posted here are accurate at all times, we cannot be responsible for typographical and other errors that may appear on the site. We make every effort to provide you with the most accurate, up-to-the-minute information; however, it is your responsibility to verify with the Dealer that all details listed are accurate. The dealership is not responsible for typographical, pricing, product information, advertising, or shipping errors. Advertised prices and available quantities are subject to change without notice. All rates and offers are dependent on bank approval, which varies based on the applicant's credit as well as the vehicle.

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