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
2018 GMC Sierra 2500 HD
4 trims · 30 configurations · Truck (Regular Cab), Truck (Double Cab), Truck (Crew 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)
$34,740
Typical monthly
$688/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 2018 GMC Sierra 2500 HD trims
10 configurations
- MSRP
- $34,740 – $41,675
- Fuel economy (city/hwy)
- —
- Horsepower
- 360 hp
- Torque
- 380 lb-ft
- Engine
- 6L V8 flex-fuel (FFV)
- Seating
- 3
- Drivetrain
- RWD
- Cargo (cu ft)
- —
- Max towing
- 14,500 lbs
10 configurations
- MSRP
- $40,140 – $48,340
- Fuel economy (city/hwy)
- —
- Horsepower
- 360 hp
- Torque
- 380 lb-ft
- Engine
- 6L V8 flex-fuel (FFV)
- Seating
- 3
- Drivetrain
- RWD
- Cargo (cu ft)
- —
- Max towing
- 14,500 lbs
8 configurations
- MSRP
- $47,335 – $53,135
- Fuel economy (city/hwy)
- —
- Horsepower
- 360 hp
- Torque
- 380 lb-ft
- Engine
- 6L V8 flex-fuel (FFV)
- Seating
- 6
- Drivetrain
- RWD
- Cargo (cu ft)
- —
- Max towing
- 13,000 lbs
2 configurations
- MSRP
- $55,945 – $59,145
- Fuel economy (city/hwy)
- —
- Horsepower
- 360 hp
- Torque
- 380 lb-ft
- Engine
- 6L V8 flex-fuel (FFV)
- Seating
- 5
- Drivetrain
- RWD
- Cargo (cu ft)
- —
- Max towing
- 13,000 lbs
| Spec | Base10 configurations | SLE10 configurations | SLT8 configurations | Denali2 configurations |
|---|---|---|---|---|
| MSRP | $34,740 – $41,675 | $40,140 – $48,340 | $47,335 – $53,135 | $55,945 – $59,145 |
| Fuel economy (city/hwy) | — | — | — | — |
| Horsepower | 360 hp | 360 hp | 360 hp | 360 hp |
| Torque | 380 lb-ft | 380 lb-ft | 380 lb-ft | 380 lb-ft |
| Engine | 6L V8 flex-fuel (FFV) | 6L V8 flex-fuel (FFV) | 6L V8 flex-fuel (FFV) | 6L V8 flex-fuel (FFV) |
| Seating | 3 | 3 | 6 | 5 |
| Drivetrain | RWD | RWD | RWD | RWD |
| Cargo (cu ft) | — | — | — | — |
| Max towing | 14,500 lbs | 14,500 lbs | 13,000 lbs | 13,000 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
- Baseflex-fuel (FFV)SLEflex-fuel (FFV)SLTflex-fuel (FFV)Denaliflex-fuel (FFV)
- Fuel type
- Baseflex-fuel (unleaded/E85)SLEflex-fuel (unleaded/E85)SLTflex-fuel (unleaded/E85)Denaliflex-fuel (unleaded/E85)
- Cylinders
- BaseV8SLEV8SLTV8DenaliV8
- Displacement
- Base6 LSLE6 LSLT6 LDenali6 L
- Horsepower
- Base360 hpSLE360 hpSLT360 hpDenali360 hp
- Torque
- Base380 lb-ftSLE380 lb-ftSLT380 lb-ftDenali380 lb-ft
- Transmission
- Base6-speed shiftable automaticSLE6-speed shiftable automaticSLT6-speed shiftable automaticDenali6-speed shiftable automatic
- Drivetrain
- Baserear wheel driveSLErear wheel driveSLTrear wheel driveDenalirear wheel drive
Dimensions
- Body type
- BaseTruck (Regular Cab)SLETruck (Regular Cab)SLTTruck (Double Cab)DenaliTruck (Crew Cab)
- Doors
- Base2SLE2SLT4Denali4
- Seating
- Base3SLE3SLT6Denali5
- Length
- Base224.4 inSLE224.4 inSLT230 inDenali239.5 in
- Width
- Base80.1 inSLE80.1 inSLT80.5 inDenali80.5 in
- Height
- Base77.8 inSLE77.8 inSLT78.1 inDenali78.3 in
- Wheelbase
- Base133.6 inSLE133.6 inSLT144.2 inDenali153.7 in
- Ground clearance
- Base8.8 inSLE8.8 inSLT9.6 inDenali9.7 in
Capacity & weight
- Max towing
- Base14,500 lbsSLE14,500 lbsSLT13,000 lbsDenali13,000 lbs
- Max payload
- Base3,534 lbsSLE3,534 lbsSLT3,381 lbsDenali3,233 lbs
- Curb weight
- Base5,741 lbsSLE5,741 lbsSLT6,094 lbsDenali6,242 lbs
- Fuel tank
- Base36 galSLE36 galSLT36 galDenali36 gal
| Spec | Base | SLE | SLT | Denali |
|---|---|---|---|---|
| Engine & drivetrain | ||||
| Engine type | flex-fuel (FFV) | flex-fuel (FFV) | flex-fuel (FFV) | flex-fuel (FFV) |
| Fuel type | flex-fuel (unleaded/E85) | flex-fuel (unleaded/E85) | flex-fuel (unleaded/E85) | flex-fuel (unleaded/E85) |
| Cylinders | V8 | V8 | V8 | V8 |
| Displacement | 6 L | 6 L | 6 L | 6 L |
| Horsepower | 360 hp | 360 hp | 360 hp | 360 hp |
| Torque | 380 lb-ft | 380 lb-ft | 380 lb-ft | 380 lb-ft |
| Transmission | 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 | rear wheel drive |
| Dimensions | ||||
| Body type | Truck (Regular Cab) | Truck (Regular Cab) | Truck (Double Cab) | Truck (Crew Cab) |
| Doors | 2 | 2 | 4 | 4 |
| Seating | 3 | 3 | 6 | 5 |
| Length | 224.4 in | 224.4 in | 230 in | 239.5 in |
| Width | 80.1 in | 80.1 in | 80.5 in | 80.5 in |
| Height | 77.8 in | 77.8 in | 78.1 in | 78.3 in |
| Wheelbase | 133.6 in | 133.6 in | 144.2 in | 153.7 in |
| Ground clearance | 8.8 in | 8.8 in | 9.6 in | 9.7 in |
| Capacity & weight | ||||
| Max towing | 14,500 lbs | 14,500 lbs | 13,000 lbs | 13,000 lbs |
| Max payload | 3,534 lbs | 3,534 lbs | 3,381 lbs | 3,233 lbs |
| Curb weight | 5,741 lbs | 5,741 lbs | 6,094 lbs | 6,242 lbs |
| Fuel tank | 36 gal | 36 gal | 36 gal | 36 gal |
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2018 GMC Sierra 2500 HD FAQ
- How much does the 2018 GMC Sierra 2500 HD cost?
- The 2018 GMC Sierra 2500 HD has a starting MSRP of $34,740, ranging up to $59,145 for the top trim. Trim pricing includes Base from $34,740; SLE from $40,140; SLT from $47,335; Denali from $55,945. Live listings on OpenDealer currently start at $67,575.
- How much can the 2018 GMC Sierra 2500 HD tow?
- The 2018 GMC Sierra 2500 HD has a maximum towing capacity of up to 14,500 pounds, depending on trim and equipment.
- How many trims does the 2018 GMC Sierra 2500 HD come in?
- The 2018 GMC Sierra 2500 HD is available in 4 trims (30 total configurations) across Truck (Regular Cab) and Truck (Double Cab) and Truck (Crew Cab) body styles with rear wheel drive, four wheel drive.