2025 GMC Sierra HD Pricing & Specs
Which 2025 Sierra HD is right for you, and how much does it cost? Powered by our proprietary vehicle data, here are the significant configurations and starting prices within the 2025 Sierra HD lineup, along with full specs for each version. Once you've picked your favorite, consult the GMC consumer site and your local dealer for further details on trim levels, features and market pricing.
Select Version
2025 GMC Sierra 2500 HD 6.6 (Gasoline V8)
➔ $46,300
2025 GMC Sierra 3500 HD 6.6 Single Rear Wheel (Gasoline V8)
➔ $47,500
2025 GMC Sierra 2500 HD 6.6 Dual Rear Wheel (Gasoline V8)
➔ $48,900
2025 GMC Sierra 2500 HD 6.6T (Diesel V8)
➔ $55,790
2025 GMC Sierra HD 3500 HD 6.6T Single Rear Wheel (Diesel V8)
➔ $56,990
2025 GMC Sierra 2500 HD 6.6T Dual Rear Wheel (Diesel V8)
➔ $58,390
2025 GMC Sierra 2500 HD 6.6 (Gasoline V8)
From $46,300
Overview & Pricing
Year
2025
Make
GMC
Model
Sierra HD
Version
2500 HD 6.6 (Gasoline V8)
Base MSRP
$46,300
Body Type
Truck
Drivetrain & Performance
Fuel Type
Gasoline
Fuel Grade
Regular gasoline
Engine
6.6-liter V8
Transmission
10-speed automatic
Horsepower
401 hp @ 5,200 rpm
Torque
464 lb-ft @ 4,000 rpm
Redline
N/A
Acceleration 0‑60 MPH
N/A
Acceleration 1/4-Mile
N/A
Fuel Economy & Range
EPA Combined Fuel Economy
N/A
EPA City Fuel Economy
N/A
EPA Highway Fuel Economy
N/A
EPA Range (based on Combined MPG)
N/A
Theoretical Highway Range
N/A
Fuel Capacity
N/A
Towing, Payload & Versatility
Maximum Towing Capacity
16,000 lbs
Maximum Payload
3,759 lbs
Ground Clearance
N/A
Exterior Dimensions & Weight
Standard Bed Length
N/A
Overall Length
N/A
Width (not including mirrors)
N/A
Height
N/A
Wheelbase
N/A
Base Curb Weight
N/A
Interior Dimensions & Seating
Doors
N/A
Seating Rows
N/A
Passenger Capacity
N/A
Front Legroom
N/A
Second-Row Legroom
N/A
Third-Row Legroom
N/A
Front Headroom
N/A
Second-Row Headroom
N/A
Third-Row Headroom
N/A
Warranty & Ownership
Comprehensive Warranty
3 yr/36,000 mi
Powertrain Warranty
5 yr/60,000 mi
Corrosion Warranty
6 yr/100,000 mi
Roadside Assistance
5 yr/60,000 mi
Free Maintenance
N/A
2025 GMC Sierra 3500 HD 6.6 Single Rear Wheel (Gasoline V8)
| Year | 2025 |
|---|---|
| Make | GMC |
| Model | Sierra HD |
| Version | 2500 HD 6.6 (Gasoline V8) |
| Base MSRP | $46,300 |
| Body Type | Truck |
| Fuel Type | Gasoline |
|---|---|
| Fuel Grade | Regular gasoline |
| Engine | 6.6-liter V8 |
| Transmission | 10-speed automatic |
| Horsepower | 401 hp @ 5,200 rpm |
| Torque | 464 lb-ft @ 4,000 rpm |
| Redline | N/A |
| Acceleration 0‑60 MPH | N/A |
| Acceleration 1/4-Mile | N/A |
Fuel Economy & Range
EPA Combined Fuel Economy
N/A
EPA City Fuel Economy
N/A
EPA Highway Fuel Economy
N/A
EPA Range (based on Combined MPG)
N/A
Theoretical Highway Range
N/A
Fuel Capacity
N/A
Towing, Payload & Versatility
Maximum Towing Capacity
16,000 lbs
Maximum Payload
3,759 lbs
Ground Clearance
N/A
Exterior Dimensions & Weight
Standard Bed Length
N/A
Overall Length
N/A
Width (not including mirrors)
N/A
Height
N/A
Wheelbase
N/A
Base Curb Weight
N/A
Interior Dimensions & Seating
Doors
N/A
Seating Rows
N/A
Passenger Capacity
N/A
Front Legroom
N/A
Second-Row Legroom
N/A
Third-Row Legroom
N/A
Front Headroom
N/A
Second-Row Headroom
N/A
Third-Row Headroom
N/A
Warranty & Ownership
Comprehensive Warranty
3 yr/36,000 mi
Powertrain Warranty
5 yr/60,000 mi
Corrosion Warranty
6 yr/100,000 mi
Roadside Assistance
5 yr/60,000 mi
Free Maintenance
N/A
2025 GMC Sierra 3500 HD 6.6 Single Rear Wheel (Gasoline V8)
| EPA Combined Fuel Economy | N/A |
|---|---|
| EPA City Fuel Economy | N/A |
| EPA Highway Fuel Economy | N/A |
| EPA Range (based on Combined MPG) | N/A |
| Theoretical Highway Range | N/A |
| Fuel Capacity | N/A |
| Maximum Towing Capacity | 16,000 lbs |
|---|---|
| Maximum Payload | 3,759 lbs |
| Ground Clearance | N/A |
Exterior Dimensions & Weight
Standard Bed Length
N/A
Overall Length
N/A
Width (not including mirrors)
N/A
Height
N/A
Wheelbase
N/A
Base Curb Weight
N/A
Interior Dimensions & Seating
Doors
N/A
Seating Rows
N/A
Passenger Capacity
N/A
Front Legroom
N/A
Second-Row Legroom
N/A
Third-Row Legroom
N/A
Front Headroom
N/A
Second-Row Headroom
N/A
Third-Row Headroom
N/A
Warranty & Ownership
Comprehensive Warranty
3 yr/36,000 mi
Powertrain Warranty
5 yr/60,000 mi
Corrosion Warranty
6 yr/100,000 mi
Roadside Assistance
5 yr/60,000 mi
Free Maintenance
N/A
2025 GMC Sierra 3500 HD 6.6 Single Rear Wheel (Gasoline V8)
| Standard Bed Length | N/A |
|---|---|
| Overall Length | N/A |
| Width (not including mirrors) | N/A |
| Height | N/A |
| Wheelbase | N/A |
| Base Curb Weight | N/A |
| Doors | N/A |
|---|---|
| Seating Rows | N/A |
| Passenger Capacity | N/A |
| Front Legroom | N/A |
| Second-Row Legroom | N/A |
| Third-Row Legroom | N/A |
| Front Headroom | N/A |
| Second-Row Headroom | N/A |
| Third-Row Headroom | N/A |
Warranty & Ownership
Comprehensive Warranty
3 yr/36,000 mi
Powertrain Warranty
5 yr/60,000 mi
Corrosion Warranty
6 yr/100,000 mi
Roadside Assistance
5 yr/60,000 mi
Free Maintenance
N/A
2025 GMC Sierra 3500 HD 6.6 Single Rear Wheel (Gasoline V8)
| Comprehensive Warranty | 3 yr/36,000 mi |
|---|---|
| Powertrain Warranty | 5 yr/60,000 mi |
| Corrosion Warranty | 6 yr/100,000 mi |
| Roadside Assistance | 5 yr/60,000 mi |
| Free Maintenance | N/A |
2025 GMC Sierra 3500 HD 6.6 Single Rear Wheel (Gasoline V8)
From $47,500
Overview & Pricing
Year
2025
Make
GMC
Model
Sierra HD
Version
3500 HD 6.6 Single Rear Wheel (Gasoline V8)
Base MSRP
$47,500
Body Type
Truck
Drivetrain & Performance
Fuel Type
Gasoline
Fuel Grade
Regular gasoline
Engine
6.6-liter V8
Transmission
10-speed automatic
Horsepower
401 hp @ 5,200 rpm
Torque
464 lb-ft @ 4,000 rpm
Redline
N/A
Acceleration 0‑60 MPH
N/A
Acceleration 1/4-Mile
N/A
Fuel Economy & Range
EPA Combined Fuel Economy
N/A
EPA City Fuel Economy
N/A
EPA Highway Fuel Economy
N/A
EPA Range (based on Combined MPG)
N/A
Theoretical Highway Range
N/A
Fuel Capacity
N/A
Towing, Payload & Versatility
Maximum Towing Capacity
19,150 lbs
Maximum Payload
4,590 lbs
Ground Clearance
N/A
Exterior Dimensions & Weight
Standard Bed Length
N/A
Overall Length
N/A
Width (not including mirrors)
N/A
Height
N/A
Wheelbase
N/A
Base Curb Weight
N/A
Interior Dimensions & Seating
Doors
N/A
Seating Rows
N/A
Passenger Capacity
N/A
Front Legroom
N/A
Second-Row Legroom
N/A
Third-Row Legroom
N/A
Front Headroom
N/A
Second-Row Headroom
N/A
Third-Row Headroom
N/A
Warranty & Ownership
Comprehensive Warranty
3 yr/36,000 mi
Powertrain Warranty
5 yr/60,000 mi
Corrosion Warranty
6 yr/100,000 mi
Roadside Assistance
5 yr/60,000 mi
Free Maintenance
N/A
2025 GMC Sierra 2500 HD 6.6 Dual Rear Wheel (Gasoline V8)
| Year | 2025 |
|---|---|
| Make | GMC |
| Model | Sierra HD |
| Version | 3500 HD 6.6 Single Rear Wheel (Gasoline V8) |
| Base MSRP | $47,500 |
| Body Type | Truck |
| Fuel Type | Gasoline |
|---|---|
| Fuel Grade | Regular gasoline |
| Engine | 6.6-liter V8 |
| Transmission | 10-speed automatic |
| Horsepower | 401 hp @ 5,200 rpm |
| Torque | 464 lb-ft @ 4,000 rpm |
| Redline | N/A |
| Acceleration 0‑60 MPH | N/A |
| Acceleration 1/4-Mile | N/A |
Fuel Economy & Range
EPA Combined Fuel Economy
N/A
EPA City Fuel Economy
N/A
EPA Highway Fuel Economy
N/A
EPA Range (based on Combined MPG)
N/A
Theoretical Highway Range
N/A
Fuel Capacity
N/A
Towing, Payload & Versatility
Maximum Towing Capacity
19,150 lbs
Maximum Payload
4,590 lbs
Ground Clearance
N/A
Exterior Dimensions & Weight
Standard Bed Length
N/A
Overall Length
N/A
Width (not including mirrors)
N/A
Height
N/A
Wheelbase
N/A
Base Curb Weight
N/A
Interior Dimensions & Seating
Doors
N/A
Seating Rows
N/A
Passenger Capacity
N/A
Front Legroom
N/A
Second-Row Legroom
N/A
Third-Row Legroom
N/A
Front Headroom
N/A
Second-Row Headroom
N/A
Third-Row Headroom
N/A
Warranty & Ownership
Comprehensive Warranty
3 yr/36,000 mi
Powertrain Warranty
5 yr/60,000 mi
Corrosion Warranty
6 yr/100,000 mi
Roadside Assistance
5 yr/60,000 mi
Free Maintenance
N/A
2025 GMC Sierra 2500 HD 6.6 Dual Rear Wheel (Gasoline V8)
| EPA Combined Fuel Economy | N/A |
|---|---|
| EPA City Fuel Economy | N/A |
| EPA Highway Fuel Economy | N/A |
| EPA Range (based on Combined MPG) | N/A |
| Theoretical Highway Range | N/A |
| Fuel Capacity | N/A |
| Maximum Towing Capacity | 19,150 lbs |
|---|---|
| Maximum Payload | 4,590 lbs |
| Ground Clearance | N/A |
Exterior Dimensions & Weight
Standard Bed Length
N/A
Overall Length
N/A
Width (not including mirrors)
N/A
Height
N/A
Wheelbase
N/A
Base Curb Weight
N/A
Interior Dimensions & Seating
Doors
N/A
Seating Rows
N/A
Passenger Capacity
N/A
Front Legroom
N/A
Second-Row Legroom
N/A
Third-Row Legroom
N/A
Front Headroom
N/A
Second-Row Headroom
N/A
Third-Row Headroom
N/A
Warranty & Ownership
Comprehensive Warranty
3 yr/36,000 mi
Powertrain Warranty
5 yr/60,000 mi
Corrosion Warranty
6 yr/100,000 mi
Roadside Assistance
5 yr/60,000 mi
Free Maintenance
N/A
2025 GMC Sierra 2500 HD 6.6 Dual Rear Wheel (Gasoline V8)
| Standard Bed Length | N/A |
|---|---|
| Overall Length | N/A |
| Width (not including mirrors) | N/A |
| Height | N/A |
| Wheelbase | N/A |
| Base Curb Weight | N/A |
| Doors | N/A |
|---|---|
| Seating Rows | N/A |
| Passenger Capacity | N/A |
| Front Legroom | N/A |
| Second-Row Legroom | N/A |
| Third-Row Legroom | N/A |
| Front Headroom | N/A |
| Second-Row Headroom | N/A |
| Third-Row Headroom | N/A |
Warranty & Ownership
Comprehensive Warranty
3 yr/36,000 mi
Powertrain Warranty
5 yr/60,000 mi
Corrosion Warranty
6 yr/100,000 mi
Roadside Assistance
5 yr/60,000 mi
Free Maintenance
N/A
2025 GMC Sierra 2500 HD 6.6 Dual Rear Wheel (Gasoline V8)
| Comprehensive Warranty | 3 yr/36,000 mi |
|---|---|
| Powertrain Warranty | 5 yr/60,000 mi |
| Corrosion Warranty | 6 yr/100,000 mi |
| Roadside Assistance | 5 yr/60,000 mi |
| Free Maintenance | N/A |
2025 GMC Sierra 2500 HD 6.6 Dual Rear Wheel (Gasoline V8)
From $48,900
Overview & Pricing
Year
2025
Make
GMC
Model
Sierra HD
Version
3500 HD 6.6 Dual Rear Wheel (Gasoline V8)
Base MSRP
$48,900
Body Type
Truck
Drivetrain & Performance
Fuel Type
Gasoline
Fuel Grade
Regular gasoline
Engine
6.6-liter V8
Transmission
10-speed automatic
Horsepower
401 hp @ 5,200 rpm
Torque
464 lb-ft @ 4,000 rpm
Redline
N/A
Acceleration 0‑60 MPH
N/A
Acceleration 1/4-Mile
N/A
Fuel Economy & Range
EPA Combined Fuel Economy
N/A
EPA City Fuel Economy
N/A
EPA Highway Fuel Economy
N/A
EPA Range (based on Combined MPG)
N/A
Theoretical Highway Range
N/A
Fuel Capacity
N/A
Towing, Payload & Versatility
Maximum Towing Capacity
18,800 lbs
Maximum Payload
7,290 lbs
Ground Clearance
N/A
Exterior Dimensions & Weight
Standard Bed Length
N/A
Overall Length
N/A
Width (not including mirrors)
N/A
Height
N/A
Wheelbase
N/A
Base Curb Weight
N/A
Interior Dimensions & Seating
Doors
N/A
Seating Rows
N/A
Passenger Capacity
N/A
Front Legroom
N/A
Second-Row Legroom
N/A
Third-Row Legroom
N/A
Front Headroom
N/A
Second-Row Headroom
N/A
Third-Row Headroom
N/A
Warranty & Ownership
Comprehensive Warranty
3 yr/36,000 mi
Powertrain Warranty
5 yr/60,000 mi
Corrosion Warranty
6 yr/100,000 mi
Roadside Assistance
5 yr/60,000 mi
Free Maintenance
N/A
2025 GMC Sierra 2500 HD 6.6T (Diesel V8)
| Year | 2025 |
|---|---|
| Make | GMC |
| Model | Sierra HD |
| Version | 3500 HD 6.6 Dual Rear Wheel (Gasoline V8) |
| Base MSRP | $48,900 |
| Body Type | Truck |
| Fuel Type | Gasoline |
|---|---|
| Fuel Grade | Regular gasoline |
| Engine | 6.6-liter V8 |
| Transmission | 10-speed automatic |
| Horsepower | 401 hp @ 5,200 rpm |
| Torque | 464 lb-ft @ 4,000 rpm |
| Redline | N/A |
| Acceleration 0‑60 MPH | N/A |
| Acceleration 1/4-Mile | N/A |
Fuel Economy & Range
EPA Combined Fuel Economy
N/A
EPA City Fuel Economy
N/A
EPA Highway Fuel Economy
N/A
EPA Range (based on Combined MPG)
N/A
Theoretical Highway Range
N/A
Fuel Capacity
N/A
Towing, Payload & Versatility
Maximum Towing Capacity
18,800 lbs
Maximum Payload
7,290 lbs
Ground Clearance
N/A
Exterior Dimensions & Weight
Standard Bed Length
N/A
Overall Length
N/A
Width (not including mirrors)
N/A
Height
N/A
Wheelbase
N/A
Base Curb Weight
N/A
Interior Dimensions & Seating
Doors
N/A
Seating Rows
N/A
Passenger Capacity
N/A
Front Legroom
N/A
Second-Row Legroom
N/A
Third-Row Legroom
N/A
Front Headroom
N/A
Second-Row Headroom
N/A
Third-Row Headroom
N/A
Warranty & Ownership
Comprehensive Warranty
3 yr/36,000 mi
Powertrain Warranty
5 yr/60,000 mi
Corrosion Warranty
6 yr/100,000 mi
Roadside Assistance
5 yr/60,000 mi
Free Maintenance
N/A
2025 GMC Sierra 2500 HD 6.6T (Diesel V8)
| EPA Combined Fuel Economy | N/A |
|---|---|
| EPA City Fuel Economy | N/A |
| EPA Highway Fuel Economy | N/A |
| EPA Range (based on Combined MPG) | N/A |
| Theoretical Highway Range | N/A |
| Fuel Capacity | N/A |
| Maximum Towing Capacity | 18,800 lbs |
|---|---|
| Maximum Payload | 7,290 lbs |
| Ground Clearance | N/A |
Exterior Dimensions & Weight
Standard Bed Length
N/A
Overall Length
N/A
Width (not including mirrors)
N/A
Height
N/A
Wheelbase
N/A
Base Curb Weight
N/A
Interior Dimensions & Seating
Doors
N/A
Seating Rows
N/A
Passenger Capacity
N/A
Front Legroom
N/A
Second-Row Legroom
N/A
Third-Row Legroom
N/A
Front Headroom
N/A
Second-Row Headroom
N/A
Third-Row Headroom
N/A
Warranty & Ownership
Comprehensive Warranty
3 yr/36,000 mi
Powertrain Warranty
5 yr/60,000 mi
Corrosion Warranty
6 yr/100,000 mi
Roadside Assistance
5 yr/60,000 mi
Free Maintenance
N/A
2025 GMC Sierra 2500 HD 6.6T (Diesel V8)
| Standard Bed Length | N/A |
|---|---|
| Overall Length | N/A |
| Width (not including mirrors) | N/A |
| Height | N/A |
| Wheelbase | N/A |
| Base Curb Weight | N/A |
| Doors | N/A |
|---|---|
| Seating Rows | N/A |
| Passenger Capacity | N/A |
| Front Legroom | N/A |
| Second-Row Legroom | N/A |
| Third-Row Legroom | N/A |
| Front Headroom | N/A |
| Second-Row Headroom | N/A |
| Third-Row Headroom | N/A |
Warranty & Ownership
Comprehensive Warranty
3 yr/36,000 mi
Powertrain Warranty
5 yr/60,000 mi
Corrosion Warranty
6 yr/100,000 mi
Roadside Assistance
5 yr/60,000 mi
Free Maintenance
N/A
2025 GMC Sierra 2500 HD 6.6T (Diesel V8)
| Comprehensive Warranty | 3 yr/36,000 mi |
|---|---|
| Powertrain Warranty | 5 yr/60,000 mi |
| Corrosion Warranty | 6 yr/100,000 mi |
| Roadside Assistance | 5 yr/60,000 mi |
| Free Maintenance | N/A |
2025 GMC Sierra 2500 HD 6.6T (Diesel V8)
From $55,790
Overview & Pricing
Year
2025
Make
GMC
Model
Sierra HD
Version
2500 HD 6.6T (Diesel V8)
Base MSRP
$55,790
Body Type
Truck
Drivetrain & Performance
Fuel Type
Diesel
Fuel Grade
Regular gasoline
Engine
6.6-liter turbocharged V8
Transmission
10-speed automatic
Horsepower
470 hp @ 2,800 rpm
Torque
975 lb-ft @ 1,600 rpm
Redline
N/A
Acceleration 0‑60 MPH
N/A
Acceleration 1/4-Mile
N/A
Fuel Economy & Range
EPA Combined Fuel Economy
N/A
EPA City Fuel Economy
N/A
EPA Highway Fuel Economy
N/A
EPA Range (based on Combined MPG)
N/A
Theoretical Highway Range
N/A
Fuel Capacity
N/A
Towing, Payload & Versatility
Maximum Towing Capacity
22,500 lbs
Maximum Payload
3,850 lbs
Ground Clearance
N/A
Exterior Dimensions & Weight
Standard Bed Length
N/A
Overall Length
N/A
Width (not including mirrors)
N/A
Height
N/A
Wheelbase
N/A
Base Curb Weight
N/A
Interior Dimensions & Seating
Doors
N/A
Seating Rows
N/A
Passenger Capacity
N/A
Front Legroom
N/A
Second-Row Legroom
N/A
Third-Row Legroom
N/A
Front Headroom
N/A
Second-Row Headroom
N/A
Third-Row Headroom
N/A
Warranty & Ownership
Comprehensive Warranty
3 yr/36,000 mi
Powertrain Warranty
5 yr/100,000 mi
Corrosion Warranty
6 yr/100,000 mi
Roadside Assistance
5 yr/60,000 mi
Free Maintenance
N/A
2025 GMC Sierra HD 3500 HD 6.6T Single Rear Wheel (Diesel V8)
| Year | 2025 |
|---|---|
| Make | GMC |
| Model | Sierra HD |
| Version | 2500 HD 6.6T (Diesel V8) |
| Base MSRP | $55,790 |
| Body Type | Truck |
| Fuel Type | Diesel |
|---|---|
| Fuel Grade | Regular gasoline |
| Engine | 6.6-liter turbocharged V8 |
| Transmission | 10-speed automatic |
| Horsepower | 470 hp @ 2,800 rpm |
| Torque | 975 lb-ft @ 1,600 rpm |
| Redline | N/A |
| Acceleration 0‑60 MPH | N/A |
| Acceleration 1/4-Mile | N/A |
Fuel Economy & Range
EPA Combined Fuel Economy
N/A
EPA City Fuel Economy
N/A
EPA Highway Fuel Economy
N/A
EPA Range (based on Combined MPG)
N/A
Theoretical Highway Range
N/A
Fuel Capacity
N/A
Towing, Payload & Versatility
Maximum Towing Capacity
22,500 lbs
Maximum Payload
3,850 lbs
Ground Clearance
N/A
Exterior Dimensions & Weight
Standard Bed Length
N/A
Overall Length
N/A
Width (not including mirrors)
N/A
Height
N/A
Wheelbase
N/A
Base Curb Weight
N/A
Interior Dimensions & Seating
Doors
N/A
Seating Rows
N/A
Passenger Capacity
N/A
Front Legroom
N/A
Second-Row Legroom
N/A
Third-Row Legroom
N/A
Front Headroom
N/A
Second-Row Headroom
N/A
Third-Row Headroom
N/A
Warranty & Ownership
Comprehensive Warranty
3 yr/36,000 mi
Powertrain Warranty
5 yr/100,000 mi
Corrosion Warranty
6 yr/100,000 mi
Roadside Assistance
5 yr/60,000 mi
Free Maintenance
N/A
2025 GMC Sierra HD 3500 HD 6.6T Single Rear Wheel (Diesel V8)
| EPA Combined Fuel Economy | N/A |
|---|---|
| EPA City Fuel Economy | N/A |
| EPA Highway Fuel Economy | N/A |
| EPA Range (based on Combined MPG) | N/A |
| Theoretical Highway Range | N/A |
| Fuel Capacity | N/A |
| Maximum Towing Capacity | 22,500 lbs |
|---|---|
| Maximum Payload | 3,850 lbs |
| Ground Clearance | N/A |
Exterior Dimensions & Weight
Standard Bed Length
N/A
Overall Length
N/A
Width (not including mirrors)
N/A
Height
N/A
Wheelbase
N/A
Base Curb Weight
N/A
Interior Dimensions & Seating
Doors
N/A
Seating Rows
N/A
Passenger Capacity
N/A
Front Legroom
N/A
Second-Row Legroom
N/A
Third-Row Legroom
N/A
Front Headroom
N/A
Second-Row Headroom
N/A
Third-Row Headroom
N/A
Warranty & Ownership
Comprehensive Warranty
3 yr/36,000 mi
Powertrain Warranty
5 yr/100,000 mi
Corrosion Warranty
6 yr/100,000 mi
Roadside Assistance
5 yr/60,000 mi
Free Maintenance
N/A
2025 GMC Sierra HD 3500 HD 6.6T Single Rear Wheel (Diesel V8)
| Standard Bed Length | N/A |
|---|---|
| Overall Length | N/A |
| Width (not including mirrors) | N/A |
| Height | N/A |
| Wheelbase | N/A |
| Base Curb Weight | N/A |
| Doors | N/A |
|---|---|
| Seating Rows | N/A |
| Passenger Capacity | N/A |
| Front Legroom | N/A |
| Second-Row Legroom | N/A |
| Third-Row Legroom | N/A |
| Front Headroom | N/A |
| Second-Row Headroom | N/A |
| Third-Row Headroom | N/A |
Warranty & Ownership
Comprehensive Warranty
3 yr/36,000 mi
Powertrain Warranty
5 yr/100,000 mi
Corrosion Warranty
6 yr/100,000 mi
Roadside Assistance
5 yr/60,000 mi
Free Maintenance
N/A
2025 GMC Sierra HD 3500 HD 6.6T Single Rear Wheel (Diesel V8)
| Comprehensive Warranty | 3 yr/36,000 mi |
|---|---|
| Powertrain Warranty | 5 yr/100,000 mi |
| Corrosion Warranty | 6 yr/100,000 mi |
| Roadside Assistance | 5 yr/60,000 mi |
| Free Maintenance | N/A |
2025 GMC Sierra HD 3500 HD 6.6T Single Rear Wheel (Diesel V8)
From $56,990
Overview & Pricing
Year
2025
Make
GMC
Model
Sierra HD
Version
3500 HD 6.6T Single Rear Wheel (Diesel V8)
Base MSRP
$56,990
Body Type
Truck
Drivetrain & Performance
Fuel Type
Diesel
Fuel Grade
Regular gasoline
Engine
6.6-liter turbocharged V8
Transmission
10-speed automatic
Horsepower
470 hp @ 2,800 rpm
Torque
975 lb-ft @ 1,600 rpm
Redline
N/A
Acceleration 0‑60 MPH
N/A
Acceleration 1/4-Mile
N/A
Fuel Economy & Range
EPA Combined Fuel Economy
N/A
EPA City Fuel Economy
N/A
EPA Highway Fuel Economy
N/A
EPA Range (based on Combined MPG)
N/A
Theoretical Highway Range
N/A
Fuel Capacity
N/A
Towing, Payload & Versatility
Maximum Towing Capacity
22,500 lbs
Maximum Payload
4,486 lbs
Ground Clearance
N/A
Exterior Dimensions & Weight
Standard Bed Length
N/A
Overall Length
N/A
Width (not including mirrors)
N/A
Height
N/A
Wheelbase
N/A
Base Curb Weight
N/A
Interior Dimensions & Seating
Doors
N/A
Seating Rows
N/A
Passenger Capacity
N/A
Front Legroom
N/A
Second-Row Legroom
N/A
Third-Row Legroom
N/A
Front Headroom
N/A
Second-Row Headroom
N/A
Third-Row Headroom
N/A
Warranty & Ownership
Comprehensive Warranty
3 yr/36,000 mi
Powertrain Warranty
5 yr/100,000 mi
Corrosion Warranty
6 yr/100,000 mi
Roadside Assistance
5 yr/60,000 mi
Free Maintenance
N/A
2025 GMC Sierra 2500 HD 6.6T Dual Rear Wheel (Diesel V8)
| Year | 2025 |
|---|---|
| Make | GMC |
| Model | Sierra HD |
| Version | 3500 HD 6.6T Single Rear Wheel (Diesel V8) |
| Base MSRP | $56,990 |
| Body Type | Truck |
| Fuel Type | Diesel |
|---|---|
| Fuel Grade | Regular gasoline |
| Engine | 6.6-liter turbocharged V8 |
| Transmission | 10-speed automatic |
| Horsepower | 470 hp @ 2,800 rpm |
| Torque | 975 lb-ft @ 1,600 rpm |
| Redline | N/A |
| Acceleration 0‑60 MPH | N/A |
| Acceleration 1/4-Mile | N/A |
Fuel Economy & Range
EPA Combined Fuel Economy
N/A
EPA City Fuel Economy
N/A
EPA Highway Fuel Economy
N/A
EPA Range (based on Combined MPG)
N/A
Theoretical Highway Range
N/A
Fuel Capacity
N/A
Towing, Payload & Versatility
Maximum Towing Capacity
22,500 lbs
Maximum Payload
4,486 lbs
Ground Clearance
N/A
Exterior Dimensions & Weight
Standard Bed Length
N/A
Overall Length
N/A
Width (not including mirrors)
N/A
Height
N/A
Wheelbase
N/A
Base Curb Weight
N/A
Interior Dimensions & Seating
Doors
N/A
Seating Rows
N/A
Passenger Capacity
N/A
Front Legroom
N/A
Second-Row Legroom
N/A
Third-Row Legroom
N/A
Front Headroom
N/A
Second-Row Headroom
N/A
Third-Row Headroom
N/A
Warranty & Ownership
Comprehensive Warranty
3 yr/36,000 mi
Powertrain Warranty
5 yr/100,000 mi
Corrosion Warranty
6 yr/100,000 mi
Roadside Assistance
5 yr/60,000 mi
Free Maintenance
N/A
2025 GMC Sierra 2500 HD 6.6T Dual Rear Wheel (Diesel V8)
| EPA Combined Fuel Economy | N/A |
|---|---|
| EPA City Fuel Economy | N/A |
| EPA Highway Fuel Economy | N/A |
| EPA Range (based on Combined MPG) | N/A |
| Theoretical Highway Range | N/A |
| Fuel Capacity | N/A |
| Maximum Towing Capacity | 22,500 lbs |
|---|---|
| Maximum Payload | 4,486 lbs |
| Ground Clearance | N/A |
Exterior Dimensions & Weight
Standard Bed Length
N/A
Overall Length
N/A
Width (not including mirrors)
N/A
Height
N/A
Wheelbase
N/A
Base Curb Weight
N/A
Interior Dimensions & Seating
Doors
N/A
Seating Rows
N/A
Passenger Capacity
N/A
Front Legroom
N/A
Second-Row Legroom
N/A
Third-Row Legroom
N/A
Front Headroom
N/A
Second-Row Headroom
N/A
Third-Row Headroom
N/A
Warranty & Ownership
Comprehensive Warranty
3 yr/36,000 mi
Powertrain Warranty
5 yr/100,000 mi
Corrosion Warranty
6 yr/100,000 mi
Roadside Assistance
5 yr/60,000 mi
Free Maintenance
N/A
2025 GMC Sierra 2500 HD 6.6T Dual Rear Wheel (Diesel V8)
| Standard Bed Length | N/A |
|---|---|
| Overall Length | N/A |
| Width (not including mirrors) | N/A |
| Height | N/A |
| Wheelbase | N/A |
| Base Curb Weight | N/A |
| Doors | N/A |
|---|---|
| Seating Rows | N/A |
| Passenger Capacity | N/A |
| Front Legroom | N/A |
| Second-Row Legroom | N/A |
| Third-Row Legroom | N/A |
| Front Headroom | N/A |
| Second-Row Headroom | N/A |
| Third-Row Headroom | N/A |
Warranty & Ownership
Comprehensive Warranty
3 yr/36,000 mi
Powertrain Warranty
5 yr/100,000 mi
Corrosion Warranty
6 yr/100,000 mi
Roadside Assistance
5 yr/60,000 mi
Free Maintenance
N/A
2025 GMC Sierra 2500 HD 6.6T Dual Rear Wheel (Diesel V8)
| Comprehensive Warranty | 3 yr/36,000 mi |
|---|---|
| Powertrain Warranty | 5 yr/100,000 mi |
| Corrosion Warranty | 6 yr/100,000 mi |
| Roadside Assistance | 5 yr/60,000 mi |
| Free Maintenance | N/A |
2025 GMC Sierra 2500 HD 6.6T Dual Rear Wheel (Diesel V8)
From $58,390
Overview & Pricing
Year
2025
Make
GMC
Model
Sierra HD
Version
3500 HD 6.6T Dual Rear Wheel (Diesel V8)
Base MSRP
$58,390
Body Type
Truck
Drivetrain & Performance
Fuel Type
Diesel
Fuel Grade
Regular gasoline
Engine
6.6-liter turbocharged V8
Transmission
10-speed automatic
Horsepower
470 hp @ 2,800 rpm
Torque
975 lb-ft @ 1,600 rpm
Redline
N/A
Acceleration 0‑60 MPH
N/A
Acceleration 1/4-Mile
N/A
Fuel Economy & Range
EPA Combined Fuel Economy
N/A
EPA City Fuel Economy
N/A
EPA Highway Fuel Economy
N/A
EPA Range (based on Combined MPG)
N/A
Theoretical Highway Range
N/A
Fuel Capacity
N/A
Towing, Payload & Versatility
Maximum Towing Capacity
36,000 lbs
Maximum Payload
6,644 lbs
Ground Clearance
N/A
Exterior Dimensions & Weight
Standard Bed Length
N/A
Overall Length
N/A
Width (not including mirrors)
N/A
Height
N/A
Wheelbase
N/A
Base Curb Weight
N/A
Interior Dimensions & Seating
Doors
N/A
Seating Rows
N/A
Passenger Capacity
N/A
Front Legroom
N/A
Second-Row Legroom
N/A
Third-Row Legroom
N/A
Front Headroom
N/A
Second-Row Headroom
N/A
Third-Row Headroom
N/A
Warranty & Ownership
Comprehensive Warranty
3 yr/36,000 mi
Powertrain Warranty
5 yr/100,000 mi
Corrosion Warranty
6 yr/100,000 mi
Roadside Assistance
5 yr/60,000 mi
Free Maintenance
N/A
| Year | 2025 |
|---|---|
| Make | GMC |
| Model | Sierra HD |
| Version | 3500 HD 6.6T Dual Rear Wheel (Diesel V8) |
| Base MSRP | $58,390 |
| Body Type | Truck |
| Fuel Type | Diesel |
|---|---|
| Fuel Grade | Regular gasoline |
| Engine | 6.6-liter turbocharged V8 |
| Transmission | 10-speed automatic |
| Horsepower | 470 hp @ 2,800 rpm |
| Torque | 975 lb-ft @ 1,600 rpm |
| Redline | N/A |
| Acceleration 0‑60 MPH | N/A |
| Acceleration 1/4-Mile | N/A |
Fuel Economy & Range
EPA Combined Fuel Economy
N/A
EPA City Fuel Economy
N/A
EPA Highway Fuel Economy
N/A
EPA Range (based on Combined MPG)
N/A
Theoretical Highway Range
N/A
Fuel Capacity
N/A
Towing, Payload & Versatility
Maximum Towing Capacity
36,000 lbs
Maximum Payload
6,644 lbs
Ground Clearance
N/A
Exterior Dimensions & Weight
Standard Bed Length
N/A
Overall Length
N/A
Width (not including mirrors)
N/A
Height
N/A
Wheelbase
N/A
Base Curb Weight
N/A
Interior Dimensions & Seating
Doors
N/A
Seating Rows
N/A
Passenger Capacity
N/A
Front Legroom
N/A
Second-Row Legroom
N/A
Third-Row Legroom
N/A
Front Headroom
N/A
Second-Row Headroom
N/A
Third-Row Headroom
N/A
Warranty & Ownership
Comprehensive Warranty
3 yr/36,000 mi
Powertrain Warranty
5 yr/100,000 mi
Corrosion Warranty
6 yr/100,000 mi
Roadside Assistance
5 yr/60,000 mi
Free Maintenance
N/A
| EPA Combined Fuel Economy | N/A |
|---|---|
| EPA City Fuel Economy | N/A |
| EPA Highway Fuel Economy | N/A |
| EPA Range (based on Combined MPG) | N/A |
| Theoretical Highway Range | N/A |
| Fuel Capacity | N/A |
| Maximum Towing Capacity | 36,000 lbs |
|---|---|
| Maximum Payload | 6,644 lbs |
| Ground Clearance | N/A |
Exterior Dimensions & Weight
Standard Bed Length
N/A
Overall Length
N/A
Width (not including mirrors)
N/A
Height
N/A
Wheelbase
N/A
Base Curb Weight
N/A
Interior Dimensions & Seating
Doors
N/A
Seating Rows
N/A
Passenger Capacity
N/A
Front Legroom
N/A
Second-Row Legroom
N/A
Third-Row Legroom
N/A
Front Headroom
N/A
Second-Row Headroom
N/A
Third-Row Headroom
N/A
Warranty & Ownership
Comprehensive Warranty
3 yr/36,000 mi
Powertrain Warranty
5 yr/100,000 mi
Corrosion Warranty
6 yr/100,000 mi
Roadside Assistance
5 yr/60,000 mi
Free Maintenance
N/A
| Standard Bed Length | N/A |
|---|---|
| Overall Length | N/A |
| Width (not including mirrors) | N/A |
| Height | N/A |
| Wheelbase | N/A |
| Base Curb Weight | N/A |
| Doors | N/A |
|---|---|
| Seating Rows | N/A |
| Passenger Capacity | N/A |
| Front Legroom | N/A |
| Second-Row Legroom | N/A |
| Third-Row Legroom | N/A |
| Front Headroom | N/A |
| Second-Row Headroom | N/A |
| Third-Row Headroom | N/A |
Warranty & Ownership
Comprehensive Warranty
3 yr/36,000 mi
Powertrain Warranty
5 yr/100,000 mi
Corrosion Warranty
6 yr/100,000 mi
Roadside Assistance
5 yr/60,000 mi
Free Maintenance
N/A
| Comprehensive Warranty | 3 yr/36,000 mi |
|---|---|
| Powertrain Warranty | 5 yr/100,000 mi |
| Corrosion Warranty | 6 yr/100,000 mi |
| Roadside Assistance | 5 yr/60,000 mi |
| Free Maintenance | N/A |
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