New
2026 GMC Sierra 3500 HD
SLT DRW
Glacier White Tricoat•Jet Black, Perforated Leather-Appointed Front Seat Trim
$88,775
Jay Hatfield GMC of Pittsburg
Frontenac, KS
2020 GMC Sierra 3500 HD
5 trims · 39 configurations · Truck (Crew Cab), Truck (Regular Cab), Truck (Double Cab)
GMC Sierra 3500 HD for sale
1 live listing from $88,775 · median $88,775
- N/A
Pricing
How much should you pay for the GMC Sierra 3500 HD? Select a trim to update purchase and lease estimates, then shop live inventory.
MSRP by trim
Select a trim to update the payment estimates. MSRP is for each trim's base configuration and excludes destination, taxes, and options.
Purchase information
Based on Base
Total price (Base MSRP)
$36,800
Typical monthly
$729/mo
Avg. APR
7.00%
60-month loan estimate for good credit (rates as of 2026-10-11). Not a credit offer; actual APR varies by lender, credit, and dealer.
Open loan calculatorCompare 2020 GMC Sierra 3500 HD trims
14 configurations
- MSRP
- $36,800 – $45,400
- Fuel economy (city/hwy)
- —
- Horsepower
- 401 hp
- Torque
- 464 lb-ft
- Engine
- 6.6L V8 gas
- Seating
- 3
- Drivetrain
- RWD
- Cargo (cu ft)
- —
- Max towing
- 14,500 lbs
14 configurations
- MSRP
- $41,200 – $49,200
- Fuel economy (city/hwy)
- —
- Horsepower
- 401 hp
- Torque
- 464 lb-ft
- Engine
- 6.6L V8 gas
- Seating
- 3
- Drivetrain
- RWD
- Cargo (cu ft)
- —
- Max towing
- 14,500 lbs
6 configurations
- MSRP
- $53,600 – $57,800
- Fuel economy (city/hwy)
- —
- Horsepower
- 401 hp
- Torque
- 464 lb-ft
- Engine
- 6.6L V8 gas
- Seating
- 6
- Drivetrain
- RWD
- Cargo (cu ft)
- —
- Max towing
- 20,000 lbs
2 configurations
- MSRP
- $58,900 – $59,100
- Fuel economy (city/hwy)
- —
- Horsepower
- 401 hp
- Torque
- 464 lb-ft
- Engine
- 6.6L V8 gas
- Seating
- 5
- Drivetrain
- 4WD
- Cargo (cu ft)
- —
- Max towing
- 20,000 lbs
3 configurations
- MSRP
- $64,900 – $66,300
- Fuel economy (city/hwy)
- —
- Horsepower
- 401 hp
- Torque
- 464 lb-ft
- Engine
- 6.6L V8 gas
- Seating
- 5
- Drivetrain
- 4WD
- Cargo (cu ft)
- —
- Max towing
- 20,000 lbs
| Spec | Base14 configurations | SLE14 configurations | SLT6 configurations | AT42 configurations | Denali3 configurations |
|---|---|---|---|---|---|
| MSRP | $36,800 – $45,400 | $41,200 – $49,200 | $53,600 – $57,800 | $58,900 – $59,100 | $64,900 – $66,300 |
| Fuel economy (city/hwy) | — | — | — | — | — |
| Horsepower | 401 hp | 401 hp | 401 hp | 401 hp | 401 hp |
| Torque | 464 lb-ft | 464 lb-ft | 464 lb-ft | 464 lb-ft | 464 lb-ft |
| Engine | 6.6L V8 gas | 6.6L V8 gas | 6.6L V8 gas | 6.6L V8 gas | 6.6L V8 gas |
| Seating | 3 | 3 | 6 | 5 | 5 |
| Drivetrain | RWD | RWD | RWD | 4WD | 4WD |
| Cargo (cu ft) | — | — | — | — | — |
| Max towing | 14,500 lbs | 14,500 lbs | 20,000 lbs | 20,000 lbs | 20,000 lbs |
Specifications shown for each trim’s base configuration; drivetrain, cab, and box options vary within a trim, and MSRP shows the full range. MSRP excludes destination fees, taxes, and dealer-installed options.
Full specifications
Shown for each trim's base configuration. Drivetrain, cab, and box options within a trim can change dimensions, capacities, and fuel economy.
Engine & drivetrain
- Engine type
- BasegasSLEgasSLTgasAT4gasDenaligas
- Fuel type
- Baseregular unleadedSLEregular unleadedSLTregular unleadedAT4regular unleadedDenaliregular unleaded
- Cylinders
- BaseV8SLEV8SLTV8AT4V8DenaliV8
- Displacement
- Base6.6 LSLE6.6 LSLT6.6 LAT46.6 LDenali6.6 L
- Horsepower
- Base401 hpSLE401 hpSLT401 hpAT4401 hpDenali401 hp
- Torque
- Base464 lb-ftSLE464 lb-ftSLT464 lb-ftAT4464 lb-ftDenali464 lb-ft
- Transmission
- Base6-speed shiftable automaticSLE6-speed shiftable automaticSLT6-speed shiftable automaticAT46-speed shiftable automaticDenali6-speed shiftable automatic
- Drivetrain
- Baserear wheel driveSLErear wheel driveSLTrear wheel driveAT4four wheel driveDenalifour wheel drive
Dimensions
- Body type
- BaseTruck (Regular Cab)SLETruck (Regular Cab)SLTTruck (Crew Cab)AT4Truck (Crew Cab)DenaliTruck (Crew Cab)
- Doors
- Base2SLE2SLT4AT44Denali4
- Seating
- Base3SLE3SLT6AT45Denali5
- Length
- Base235.5 inSLE235.5 inSLT250.1 inAT4250.1 inDenali250.1 in
- Width
- Base81.8 inSLE81.8 inSLT81.9 inAT481.9 inDenali81.9 in
- Height
- Base80.9 inSLE80.9 inSLT80.9 inAT480.9 inDenali80.9 in
- Wheelbase
- Base141.6 inSLE141.6 inSLT158.9 inAT4158.9 inDenali158.9 in
- Ground clearance
- Base11.2 inSLE11.2 inSLT11.2 inAT411.2 inDenali11.2 in
Capacity & weight
- Max towing
- Base14,500 lbsSLE14,500 lbsSLT20,000 lbsAT420,000 lbsDenali20,000 lbs
- Max payload
- Base4,481 lbsSLE4,481 lbsSLT4,316 lbsAT44,365 lbsDenali4,365 lbs
- Curb weight
- Base6,231 lbsSLE6,231 lbsSLT6,647 lbsAT46,947 lbsDenali6,947 lbs
- Fuel tank
- Base36 galSLE36 galSLT36 galAT436 galDenali36 gal
| Spec | Base | SLE | SLT | AT4 | Denali |
|---|---|---|---|---|---|
| Engine & drivetrain | |||||
| Engine type | gas | gas | gas | gas | gas |
| Fuel type | regular unleaded | regular unleaded | regular unleaded | regular unleaded | regular unleaded |
| Cylinders | V8 | V8 | V8 | V8 | V8 |
| Displacement | 6.6 L | 6.6 L | 6.6 L | 6.6 L | 6.6 L |
| Horsepower | 401 hp | 401 hp | 401 hp | 401 hp | 401 hp |
| Torque | 464 lb-ft | 464 lb-ft | 464 lb-ft | 464 lb-ft | 464 lb-ft |
| Transmission | 6-speed shiftable automatic | 6-speed shiftable automatic | 6-speed shiftable automatic | 6-speed shiftable automatic | 6-speed shiftable automatic |
| Drivetrain | rear wheel drive | rear wheel drive | rear wheel drive | four wheel drive | four wheel drive |
| Dimensions | |||||
| Body type | Truck (Regular Cab) | Truck (Regular Cab) | Truck (Crew Cab) | Truck (Crew Cab) | Truck (Crew Cab) |
| Doors | 2 | 2 | 4 | 4 | 4 |
| Seating | 3 | 3 | 6 | 5 | 5 |
| Length | 235.5 in | 235.5 in | 250.1 in | 250.1 in | 250.1 in |
| Width | 81.8 in | 81.8 in | 81.9 in | 81.9 in | 81.9 in |
| Height | 80.9 in | 80.9 in | 80.9 in | 80.9 in | 80.9 in |
| Wheelbase | 141.6 in | 141.6 in | 158.9 in | 158.9 in | 158.9 in |
| Ground clearance | 11.2 in | 11.2 in | 11.2 in | 11.2 in | 11.2 in |
| Capacity & weight | |||||
| Max towing | 14,500 lbs | 14,500 lbs | 20,000 lbs | 20,000 lbs | 20,000 lbs |
| Max payload | 4,481 lbs | 4,481 lbs | 4,316 lbs | 4,365 lbs | 4,365 lbs |
| Curb weight | 6,231 lbs | 6,231 lbs | 6,647 lbs | 6,947 lbs | 6,947 lbs |
| Fuel tank | 36 gal | 36 gal | 36 gal | 36 gal | 36 gal |
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2020 GMC Sierra 3500 HD FAQ
- How much does the 2020 GMC Sierra 3500 HD cost?
- The 2020 GMC Sierra 3500 HD has a starting MSRP of $36,800, ranging up to $66,300 for the top trim. Trim pricing includes Base from $36,800; SLE from $41,200; SLT from $53,600; AT4 from $58,900; Denali from $64,900. Live listings on OpenDealer currently start at $88,775.
- How much can the 2020 GMC Sierra 3500 HD tow?
- The 2020 GMC Sierra 3500 HD has a maximum towing capacity of up to 20,000 pounds, depending on trim and equipment.
- How many trims does the 2020 GMC Sierra 3500 HD come in?
- The 2020 GMC Sierra 3500 HD is available in 5 trims (39 total configurations) across Truck (Crew Cab) and Truck (Regular Cab) and Truck (Double Cab) body styles with four wheel drive, rear wheel drive.