HD PickupUpdated April 2026

GMC Sierra HD (2500/3500)

The 2025-2026 GMC Sierra HD is a robust choice in the heavy-duty pickup segment, offering a strong gas powertrain and a starting price of CA$54,998. With a combined fuel economy of 17.8 L/100km, it's designed for those who need serious towing and hauling capabilities. Ideal for both work and leisure, the Sierra HD balances power with practicality.

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From$54,998Gas

Buyer verdict

The GMC Sierra HD is a solid option for those needing a reliable heavy-duty pickup. Its base model is well-equipped for essential tasks, but upgrading to higher trims can enhance comfort and add advanced features. Consider your specific needs and budget when choosing a trim.

Base MSRP

$54,998

$57,098 before tax

Powertrain

Gas

6.6L V8

Combined fuel

17.8 L/100km

Regular

Safety

—

IIHS / NHTSA

Specs

Everything we track for the GMC Sierra HD (2500/3500) in Canada.

Powertrain

Engine: 6.6L V8
Horsepower: 401 hp
Torque: 464 lb-ft
Transmission: 6-speed automatic
Drivetrain: RWD

Efficiency

City: 20.0 L/100km
Highway: 15.0 L/100km
Combined: 17.8 L/100km
Fuel type: Regular
Tank: 132 L

Dimensions

Length: 6058 mm
Wheelbase: 3745 mm
Cargo behind 2nd row: —
Cargo max: —
Seating: 6 seats
Towing: 8346 kg

Safety & Warranty

IIHS: —
NHTSA: —
Basic warranty: 3 yr / 60k km
Powertrain warranty: 5 yr / 100k km
Build country: USA
iZEV eligible: No

Which trim is worth it

SLE

Worth it

The SLE trim offers a good balance of additional features like upgraded infotainment and enhanced interior materials, making it a worthwhile upgrade if you spend significant time in your truck.

SLT

Worth it

The SLT trim adds more comfort and technology features, such as leather-appointed seating and advanced safety systems. This trim is recommended if you prioritize a more refined driving experience.

AT4

Probably skip

The AT4 trim is geared towards off-road enthusiasts. If off-roading isn't a priority, the extra cost may not be justified for your needs.

Denali

Worth it

The Denali trim offers premium luxury and advanced technology, including a high-end audio system and enhanced driver assistance features. If you seek a luxury experience, this trim is worth considering.

Common questions

What is the towing capacity of the GMC Sierra HD?: The exact towing capacity can vary based on the configuration and options chosen. Check the specific model details for precise towing capabilities.
Does the Sierra HD offer advanced safety features?: Yes, higher trims like the SLT and Denali include advanced safety features such as lane departure warning and adaptive cruise control.
Is the Sierra HD suitable for off-roading?: The AT4 trim is specifically designed for off-roading with features like skid plates and off-road suspension. If off-roading is a priority, this trim is a good choice.

GMC Sierra HD (2500/3500)

Specs

Everything we track for the GMC Sierra HD (2500/3500) in Canada.

Powertrain

Engine: 6.6L V8
Horsepower: 401 hp
Torque: 464 lb-ft
Transmission: 6-speed automatic
Drivetrain: RWD

Efficiency

City: 20.0 L/100km
Highway: 15.0 L/100km
Combined: 17.8 L/100km
Fuel type: Regular
Tank: 132 L

Dimensions

Length: 6058 mm
Wheelbase: 3745 mm
Cargo behind 2nd row: —
Cargo max: —
Seating: 6 seats
Towing: 8346 kg

Safety & Warranty

IIHS: —
NHTSA: —
Basic warranty: 3 yr / 60k km
Powertrain warranty: 5 yr / 100k km
Build country: USA
iZEV eligible: No

Which trim is worth it

SLE

Worth it

The SLE trim offers a good balance of additional features like upgraded infotainment and enhanced interior materials, making it a worthwhile upgrade if you spend significant time in your truck.

SLT

Worth it

The SLT trim adds more comfort and technology features, such as leather-appointed seating and advanced safety systems. This trim is recommended if you prioritize a more refined driving experience.

AT4

Probably skip

The AT4 trim is geared towards off-road enthusiasts. If off-roading isn't a priority, the extra cost may not be justified for your needs.

Denali

Worth it

Common questions

What is the towing capacity of the GMC Sierra HD?

The exact towing capacity can vary based on the configuration and options chosen. Check the specific model details for precise towing capabilities.

Does the Sierra HD offer advanced safety features?

Yes, higher trims like the SLT and Denali include advanced safety features such as lane departure warning and adaptive cruise control.

Is the Sierra HD suitable for off-roading?

The AT4 trim is specifically designed for off-roading with features like skid plates and off-road suspension. If off-roading is a priority, this trim is a good choice.