New
2026 GMC Sierra 2500 HD
Denali
Onyx Black•Jet Black, Forge Perforated Leather Seat Trim
$96,405
Jay Hatfield GMC of Pittsburg
Frontenac, KS
2021 GMC Sierra 2500 HD
5 trims · 32 configurations · Truck (Crew Cab), Truck (Regular Cab), Truck (Double Cab)
GMC Sierra 2500 HD for sale
6 live listings from $67,575 · median $89,155
- N/A
New2026 GMC Sierra 2500 HD
AT4
Summit White•Jet Black With Kalahari Accents, Perforated Front Leather Seat TrimN/A$79,864Jay Hatfield GMC Chanute
Chanute, KS
New2026 GMC Sierra 2500 HD
AT4X
Sterling Metallic•Obsidian Rush, Full Grain Leather Seat TrimN/A$108,480Jay Hatfield GMC of Pittsburg
Frontenac, KS
New2026 GMC Sierra 2500 HD
SLT
Volcanic Red Tintcoat•Jet Black, Perforated Leather-Appointed Front Outboard Seating PositionsN/A$86,860Jay Hatfield GMC of Pittsburg
Frontenac, KS
New2026 GMC Sierra 2500 HD
SLE
Summit White•Jet Black, Cloth Seat TrimN/A$67,575Jay Hatfield GMC of Pittsburg
Frontenac, KS
New2026 GMC Sierra 2500 HD
AT4
Onyx Black•Jet Black With Kalahari Accents, Perforated Front Leather Seat TrimN/A$91,450Jay Hatfield GMC of Pittsburg
Frontenac, KS
GMC Sierra 2500 HD for sale by city
Pricing
How much should you pay for the GMC Sierra 2500 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)
$35,900
Typical monthly
$711/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 2021 GMC Sierra 2500 HD trims
10 configurations
- MSRP
- $35,900 – $43,300
- 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
10 configurations
- MSRP
- $41,000 – $47,800
- 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
8 configurations
- MSRP
- $51,000 – $55,800
- 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
- 14,500 lbs
2 configurations
- MSRP
- $58,400 – $58,600
- 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
- 18,500 lbs
2 configurations
- MSRP
- $64,900 – $65,100
- 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
- 18,500 lbs
| Spec | Base10 configurations | SLE10 configurations | SLT8 configurations | AT42 configurations | Denali2 configurations |
|---|---|---|---|---|---|
| MSRP | $35,900 – $43,300 | $41,000 – $47,800 | $51,000 – $55,800 | $58,400 – $58,600 | $64,900 – $65,100 |
| 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 | 14,500 lbs | 18,500 lbs | 18,500 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 (Double Cab)AT4Truck (Crew Cab)DenaliTruck (Crew Cab)
- Doors
- Base2SLE2SLT4AT44Denali4
- Seating
- Base3SLE3SLT6AT45Denali5
- Length
- Base235.5 inSLE235.5 inSLT240.5 inAT4250.1 inDenali250.1 in
- Width
- Base81.8 inSLE81.8 inSLT81.9 inAT481.9 inDenali81.9 in
- Height
- Base79.9 inSLE79.9 inSLT80 inAT479.8 inDenali79.8 in
- Wheelbase
- Base141.6 inSLE141.6 inSLT149.4 inAT4158.9 inDenali158.9 in
- Ground clearance
- Base10.2 inSLE10.2 inSLT10.2 inAT410.1 inDenali10.1 in
Capacity & weight
- Max towing
- Base14,500 lbsSLE14,500 lbsSLT14,500 lbsAT418,500 lbsDenali18,500 lbs
- Max payload
- Base3,857 lbsSLE3,857 lbsSLT3,762 lbsAT43,760 lbsDenali3,760 lbs
- Curb weight
- Base6,105 lbsSLE6,105 lbsSLT6,450 lbsAT46,852 lbsDenali6,852 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 (Double 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 | 240.5 in | 250.1 in | 250.1 in |
| Width | 81.8 in | 81.8 in | 81.9 in | 81.9 in | 81.9 in |
| Height | 79.9 in | 79.9 in | 80 in | 79.8 in | 79.8 in |
| Wheelbase | 141.6 in | 141.6 in | 149.4 in | 158.9 in | 158.9 in |
| Ground clearance | 10.2 in | 10.2 in | 10.2 in | 10.1 in | 10.1 in |
| Capacity & weight | |||||
| Max towing | 14,500 lbs | 14,500 lbs | 14,500 lbs | 18,500 lbs | 18,500 lbs |
| Max payload | 3,857 lbs | 3,857 lbs | 3,762 lbs | 3,760 lbs | 3,760 lbs |
| Curb weight | 6,105 lbs | 6,105 lbs | 6,450 lbs | 6,852 lbs | 6,852 lbs |
| Fuel tank | 36 gal | 36 gal | 36 gal | 36 gal | 36 gal |
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2021 GMC Sierra 2500 HD FAQ
- How much does the 2021 GMC Sierra 2500 HD cost?
- The 2021 GMC Sierra 2500 HD has a starting MSRP of $35,900, ranging up to $65,100 for the top trim. Trim pricing includes Base from $35,900; SLE from $41,000; SLT from $51,000; AT4 from $58,400; Denali from $64,900. Live listings on OpenDealer currently start at $67,575.
- How much can the 2021 GMC Sierra 2500 HD tow?
- The 2021 GMC Sierra 2500 HD has a maximum towing capacity of up to 18,500 pounds, depending on trim and equipment.
- How many trims does the 2021 GMC Sierra 2500 HD come in?
- The 2021 GMC Sierra 2500 HD is available in 5 trims (32 total configurations) across Truck (Crew Cab) and Truck (Regular Cab) and Truck (Double Cab) body styles with four wheel drive, rear wheel drive.