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2020 GMC Sierra 3500 HD SLT
Truck (Crew Cab) · 401 hp
Sticker from
$53,600Factory 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 tracking55 factory options, from $35 to $9,890.
Duramax 6.6L Turbo-Diesel V8 Engine$9,890
SLT Premium Plus Package$5,915
Texas Edition SLT Premium Plus Package$5,915
20" Chrome Aluminum Wheels$2,995
Technology Package$2,125
Rear Seat Infotainment System w/DVD Player$1,995
SLT Convenience Package$1,570
20" 6-Spoke Bright Machined Aluminum Wheels w/Bright Silver Accents$1,400
Gooseneck/5th Wheel Package$1,340
SLT Preferred Package$1,070
Power Glass Sunroof$995
Black 3" Round Off-Road Assist Steps$965
Assist Step and Floor Liner Package$895
Driver Alert Package I$890
Chromed 6" Rectangular Tubular Assist Steps$795
4" Round Black Tubular Assist Steps$750
6" Rectangular Black Tubular Assist Steps$750
4" Round Chromed Tubular Assist Steps$750
6" Rectangular Chromed Tubular Assist Steps$750
Tri-fold Soft Tonneau Cover$700
Body Color Wheel Arch Moldings$685
Driver Alert Package II$645
Auxiliary Trailer Camera$595
Spray-On Bed Liner$545
Cargo Convenience Package$515
Dual Alternators$380
GMC Protection Package$370
Lockable Console Vault$295
Gooseneck Hitch Package$295
Rear Under Seat Storage$265
Bed View Camera$250
All-Weather Floor Liner$210
High Idle Switch$200
Chrome Recovery Hooks$200
Black Front and Rear Molded Splash Guards$180
Rubber Bed Mat$155
Polished Exhaust Tip$150
Underbody Shield$150
220 Amp Alternator$150
Auxiliary Battery$135
Engine Block Heater$100
Wheel Locks$75
Smoked Amber LED Roof Marker Lamps$55
Trailer Tire Pressure Monitor Sensors$50
Heavy Duty Front Spring Package$45
Trailering Wiring Provisions$35
California Emissions Override—
California State Emissions Requirements—
Federal Emissions Override—
Federal Emissions Requirements—
Front License Plate Kit—
LT275/65R20 All-Terrain Blackwall Tires—
Northeast Emissions—
Standard Tailgate—
State-Specific Emissions Override—
Which Sierra 3500 HD is right for you?
Five trims, $36,800 to $64,900. Tap one to open it.
Bar heights follow the price. The widest step is $12,400, from SLE to SLT.
The numbers.
Six configurations: rear-wheel or four-wheel drive, 6-speed automatic.
401hp6.6L eight-cylinder
464lb-ftTorque
RWD / 4WD6-speed shiftable automatic
6Seats
6,647–7,352 lbsCurb weight
11,000–14,000 lbsGVWR
20,000 lbsMax towing
4,316–6,894 lbsMax payload
115 standard items.
Four groups, sized by how much is in each.
- keyless ignition
- tilt and telescopic steering wheel
- Audio and cruise controls on steering wheel
- power steering
- rear view camera
- cruise control
- universal remote transmitter (for garage door, security system, etc.)
- front and rear cupholders
- front door pockets
- front seatback storage
- leather 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
- 4 one-touch power windows
- hands-free entry
- Reverse tilt dual mirrors provides curb view when vehicle in reverse
- Heated mirrors
- trip computer
- compass
- external temperature display
- tachometer
- clock
- Rear head room
- Rear leg room
- Rear shoulder room
- Rear hip room
- Split-folding rear seatback
- folding with storage center armrest
- 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
- Transmission
- Drive type
- Rear locking differential
- 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
- Fuel type
- Range in miles (city/hwy)
- Fuel tank capacity
- front independent suspension
- Stabilizer bar stabilizer bar
- painted alloy wheels
- 18 in. wheels
- All terrain tires
- LT275/70R18 tires
- fullsize non-matching spare tire
- underbody mounted spare tire
- 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
- engine immobilizer
- AM/FM stereo
- 6 total speakers
- Android Auto/Apple CarPlay
- USB connection
- auxiliary audio input and USB with external media control
- memory card slot
- satellite radio satellite radio
- speed sensitive volume control
2 interiors
- Dark Walnut/Slate
- Jet Black
Both leather.
10 factory paints
- Cardinal Red
- Quicksilver Metallic
- White Frost Tricoat
- Red Quartz Tintcoat
- Pacific Blue Metallic
- Dark Sky Metallic
- Onyx Black
- Summit White
- Carbon Black Metallic
- Brownstone Metallic
8 of the 10 are shown on the car at the top.
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 2020 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.
2021 Sierra 3500 HD SLT
$54,000$400 more9 colors · starting MSRP
2019 Sierra 3500 HD SLT
$51,600$2,000 less10 colors · starting MSRP
2022 Sierra 3500 HD SLT
$54,600$1,000 more8 colors · starting MSRPPictures show this year's car in another paint. Starting MSRP is before destination, taxes and dealer fees.