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2026 GMC Sierra 3500 HD SLT
Truck (Crew Cab) · 401 hp
Sticker from
$65,900Factory MSRP, base configuration
Market
Too few listings to publish a market price.
Own one? Yours has a number of its own.
Track what yours is worthA fresh estimate every month, in one short email. Not an offer to buy.Start tracking54 factory options, from $35 to $9,990.
Duramax 6.6L Turbo-Diesel V8 Engine$9,990
SLT Premium Package$4,495
Texas Edition SLT Premium Package$4,495
SLT Convenience Package$1,610
18" Polished Forged Aluminum Wheels$1,550
Hard-folding Truck Bed Cover by RealTruck Advantage$1,495
Sierra HD Pro Safety Plus Package$1,245
Gooseneck/5th Wheel Prep Package$1,090
SLT Preferred Package$1,050
Power Glass Sunroof$995
MultiPro Tailgate Audio System by Kicker$975
Assist Step and Floor Liner Package$950
6" Rectangular Chromed Tubular Assist Steps$895
Chromed Tubular 6" Rectangular Assist Steps$795
Soft Folding Truck Bed Cover by RealTruck Advantage$750
Cargo Convenience Package$650
Spray-On Bed Liner$545
Snow Plow Prep/Camper Package$530
Red Illuminated Front GMC Emblem$495
GMC MultiPro Tailgate$445
Dual Alternators$380
Gooseneck Hitch Package$375
Console-Mounted Safe$350
Rear Under Seat Storage$325
Universal Vehicle Module$295
All-Weather Floor Liner$265
Rear Wheelhouse Liners$250
GMC MultiPro Tailgate Step Lights$250
High Idle Switch$200
Chrome Front Recovery Hooks$200
Mobile Service Plus$199
Upfitter Switch Kit$150
Skid Plates$150
220 Amp Alternator$150
Cargo Tie-Down Rings$150
Auxiliary Battery$135
Premium Front Floor Liners$130
Wheel Locks$125
Engine Block Heater$100
Smoked Amber LED Roof Marker Lamps$55
Trailer Tire Pressure Monitor Sensors$50
Heavy Duty Front Spring/Camper Package$45
Trailering Wiring Provisions$35
Northeast Emissions$0
California Emissions Override$0
State-Specific Emissions Override$0
Federal Emissions Override$0
California State Emissions Requirements$0
Federal Emissions Requirements$0
Front License Plate Kit$0
3 Years OnStar One—
3 Years SiriusXM—
Black Badging Package—
Deleted Mobile Service Plus—
Which Sierra 3500 HD is right for you?
Six trims, $47,900 to $97,200. Tap one to open it.
Bar heights follow the price. The widest step is $21,100, from Denali to Denali Ultimate.
The numbers.
Three configurations: four-wheel drive, 10-speed automatic.
401hp6.6L eight-cylinder
464lb-ftTorque
4WD10-speed shiftable automatic
6Seats
7,144–7,578 lbsCurb weight
11,550–14,000 lbsGVWR
20,000 lbsMax towing
4,362–6,378 lbsMax payload
129 standard items.
Five groups, sized by how much is in each.
- 4 one-touch power windows
- hands-free entry
- Reverse tilt dual mirrors provides curb view when vehicle in reverse
- Heated mirrors
- keyless ignition
- tilt and telescopic steering wheel
- Audio and cruise controls on steering wheel
- power steering
- rear view camera
- cruise control
- front and rear cupholders
- front door pockets
- front seatback storage
- leatherette steering wheel
- heated steering wheel
- Dual zone front climate control
- rear ventilation ducts
- Sun sensor
- Dual illuminating vanity mirrors
- electrochromatic inside rearview mirror
- turn signal in mirrors
- Front head room
- Front leg room
- Front shoulder room
- Front hip room
- leather
- 40-20-40 split bench front seats
- 8-way power driver seat
- height adjustable driver seat
- Driver seat with power adjustable lumbar support
- 2 memorized driver seat settings
- 8-way power passenger seat
- height adjustable passenger seat
- Passenger seat with power adjustable lumbar support
- multi-level heated driver seat
- multi-level heated passenger seat
- Rear head room
- Rear leg room
- Rear shoulder room
- Rear hip room
- Split-folding rear seatback
- folding with storage center armrest
- trip computer
- compass
- external temperature display
- tachometer
- clock
- Fuel type
- Range in miles (city/hwy)
- Fuel tank capacity
- Base engine size
- Cylinders
- Base engine type
- Horsepower
- Torque
- Valves
- Cam type
- Valve timing
- direct injection
- Length
- Overall width without mirrors
- Height
- Wheelbase
- Bed length
- Turning circle
- Ground clearance
- Curb weight
- Maximum towing capacity
- Maximum payload
- Gross weight
- Country of final assembly
- painted steel wheels
- partial wheel covers
- 17 in. wheels
- All terrain tires
- LT235/80R17 tires
- fullsize non-matching spare tire
- underbody mounted spare tire
- front independent suspension
- Stabilizer bar stabilizer bar
- Transmission
- Drive type
- on demand 4WD
- electronic hi-lo gear selection
- automatic locking hubs
- Rear locking differential
- lane departure warning accident avoidance system
- pre-collision safety system
- post-collision safety system
- dual front side-mounted airbags
- front and rear head airbags
- Passenger airbag occupant sensing deactivation
- stability control
- traction control
- child seat anchors
- Rear door child safety locks
- 4-wheel ABS
- Front and rear ventilated disc brakes
- tire pressure monitoring
- dusk sensing headlamps
- auto delay off headlamps
- LED headlamp
- daytime running lights
- front fog/driving lights
- Turn signal mirrors
- 2 front headrests
- Front height adjustable headrests
- 2 rear headrests
- Rear height adjustable headrests
- Front center 3-point belt
- Rear center 3-point belt
- remote anti-theft alarm system
- engine immobilizer
- 13.4" infotainment display size
- AM/FM stereo
- 6 total speakers
- Wireless Android Auto/Apple CarPlay
- USB connection
- auxiliary audio input and USB with external media control
- satellite radio satellite radio
- speed sensitive volume control
- Emergency Service
- Airbag Deployment Notification
- Stolen Vehicle Tracking/Assistance
- Hands-Free Calling
- Roadside Assistance
- Concierge Service
- Destination guidance (also Turn-by-Turn Navigation)
- Destination Download
2 interiors
- Dark Walnut/Slate
- Jet Black
Both leather.
6 factory paints
- Summit White
- Glacier White Tricoat
- Volcanic Red Tintcoat
- Titanium Rush Metallic
- Sterling Metallic
- Onyx Black
Safety and recalls
No recall campaigns on file.
Recalls are settled per car, not per model. Check the one you are buying.
NHTSA has not published ratings for the 2026 Sierra 3500 HD. A model year is often unrated for a year or more after it goes on sale.
NHTSA NCAP · checked Oct 2026
Factory coverage.
It runs from the first sale date, not the model year.
Basic
3 yr / 36,000 mi
Powertrain
5 yr / 60,000 mi
Rust
6 yr / 100,000 mi
Roadside
5 yr / 60,000 mi
Maintenance
1 yr
Sold2 yr4 yr6 yr
Sponsored · Insurance offers
What would this Sierra 3500 HD cost to insure?
Advertiser disclosure: we may earn a commission when you get a quote or buy through links on this page. Rates depend on the driver, the car and the ZIP.
Other years of the Sierra 3500 HD SLT.
2025 Sierra 3500 HD SLT
$61,700$4,200 less6 colors · starting MSRP
2024 Sierra 3500 HD SLT
$61,700$4,200 less10 colors · starting MSRP
2023 Sierra 3500 HD SLT
$61,600$4,300 less9 colors · starting MSRPPictures show this year's car in another paint. Starting MSRP is before destination, taxes and dealer fees.