2024 GMC Sierra 3500HD V (GMTT1XX, Facelift 2024) Double Cab Long Bed 6.6 V8 (401 Hp) 4WD SRW Automatic Review

An in-depth look at the 2024 GMC Sierra 3500HD, a powerhouse pickup designed for heavy-duty tasks and versatile use.

Olivia Harper | Apr 1, 2025 | 8 minutes
2024 GMC Sierra 3500HD V (GMTT1XX, Facelift 2024) Double Cab Long Bed 6.6 V8 (401 Hp) 4WD SRW Automatic Review

Introduction

The 2024 GMC Sierra 3500HD is a robust pickup truck that has been designed to handle the toughest jobs with ease. With its facelift in 2024, this model brings a blend of power, durability, and modern features, making it a top choice for those in need of a reliable workhorse. Whether you're towing heavy loads or navigating rugged terrains, the Sierra 3500HD is built to perform.

Key Definitions

Before diving into the specifics, let's clarify some key terms:

  • V8 Engine: A type of engine with eight cylinders arranged in a V configuration, known for delivering high power and torque.
  • 4WD (Four-Wheel Drive): A drivetrain that powers all four wheels simultaneously, providing better traction on difficult surfaces.
  • SRW (Single Rear Wheel): Refers to a truck with a single wheel on each side of the rear axle, as opposed to dual rear wheels (DRW).
  • Facelift: A term used to describe a model that has received updates or improvements, often in design and features, without a complete redesign.

Performance and Engine Specifications

The heart of the 2024 GMC Sierra 3500HD is its 6.6-liter V8 engine, which produces an impressive 401 horsepower at 5200 rpm and 629 Nm (463.93 lb.-ft.) of torque at 4000 rpm. This naturally aspirated engine, with a compression ratio of 10.8:1, is designed for reliability and power, making it ideal for heavy-duty tasks.

The engine's power is managed by a 10-speed automatic transmission, ensuring smooth and efficient power delivery. The truck's all-wheel-drive system enhances its capability, allowing it to tackle various terrains with confidence.

Design and Dimensions

The Sierra 3500HD's design is both functional and imposing. With a length of 6534 mm (257.24 in.), a width of 2079 mm (81.85 in.), and a height of 2054 mm (80.87 in.), it offers a commanding presence on the road. The wheelbase of 4127 mm (162.48 in.) provides stability, while the ground clearance of 257 mm (10.12 in.) allows for off-road adventures.

Inside, the double cab configuration provides seating for up to five passengers, making it suitable for both work crews and families. The truck's bed offers ample space for cargo, further enhancing its practicality.

Features and Technology

The 2024 Sierra 3500HD is equipped with modern features to enhance both safety and convenience. The truck includes an Anti-lock Braking System (ABS) for improved control during braking, and hydraulic power steering for easier maneuverability. The tire sizes of 275/70 R18 and 275/65 R20, along with wheel rim sizes of 8J x 18 and 8.5J x 20, provide a balance of comfort and performance.

Suitability for Different Purposes

The GMC Sierra 3500HD is versatile, making it suitable for various uses:

  • City Driving: While its size may be challenging in tight urban spaces, its power steering and modern features make it manageable.
  • Long-Distance Travel: The large fuel tank capacity of 136 liters (35.93 US gal) ensures fewer stops, making it ideal for road trips.
  • Family Use: The spacious double cab can comfortably accommodate a family, though parking in urban areas may require extra consideration.
  • Adventure Lifestyles: With its 4WD system and high ground clearance, it's perfect for off-road adventures and camping trips.

Strengths and Weaknesses

  • Strengths: Powerful engine, high towing capacity, spacious interior, and off-road capability.
  • Weaknesses: Large size can be cumbersome in urban settings, and fuel efficiency may be lower compared to smaller vehicles.

Conclusion

The 2024 GMC Sierra 3500HD is a formidable pickup truck that excels in power and versatility. It's best suited for those who need a reliable vehicle for heavy-duty tasks, long-distance travel, or off-road adventures. When considering this truck, think about your primary needs—whether it's towing, cargo space, or passenger comfort.

Specifications Table

AttributeDetails
BrandGMC
ModelSierra 3500HD
GenerationSierra 3500HD V (GMTT1XX, facelift 2024) Double Cab Long Bed
Modification (Engine)6.6 V8 (401 Hp) 4WD SRW Automatic
Powertrain ArchitectureInternal Combustion engine
Body TypePick-up
Seats5
Doors4
Fuel TypePetrol (Gasoline)
Power401 Hp @ 5200 rpm
Torque629 Nm @ 4000 rpm
Kerb Weight3223 kg 7105.5 lbs.
Max Load2038 kg 4493.02 lbs.
Fuel Tank Capacity136 l 35.93 US gal | 29.92 UK gal
Length6534 mm 257.24 in.
Width2079 mm 81.85 in.
Height2054 mm 80.87 in.
Wheelbase4127 mm 162.48 in.
Drive Wheel SystemAll wheel drive (4x4)
Number of Gears (Transmission Type)10 gears, automatic transmission Allison
Front SuspensionIndependent torsion bar, double wishbone
Rear SuspensionRigid axle suspension, Leaf spring
Front BrakesVentilated discs, 355x40 mm
Rear BrakesVentilated discs, 360x34 mm
Assisting SystemsABS (Anti-lock braking system)
Power SteeringHydraulic Steering
Tire Size275/70 R18; 275/65 R20
Wheel Rims Size8J x 18; 8.5J x 20