The Chevrolet Silverado 2500 HD IV, specifically the Crew Cab Long Bed configuration with the 6.6-liter V8 engine producing 401 horsepower and paired with a 10-speed automatic transmission and four-wheel drive, represents Chevrolet’s offering in the heavy-duty pickup truck segment. Introduced with the facelift in 2024 (model year 2023), this variant builds upon the T1XX platform, a robust chassis designed for demanding work and towing applications. It occupies a significant position within the Silverado 2500 HD lineup, targeting buyers who require substantial capability without necessarily opting for the highest trim levels or diesel engine options.
Technical Specifications
| Brand | Chevrolet |
| Model | Silverado 2500 HD |
| Generation | Silverado 2500 HD IV (T1XX, facelift 2024) Crew Cab Long Bed |
| Type (Engine) | 6.6 V8 (401 Hp) 4WD Automatic |
| Start of production | 2023 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Pick-up |
| Seats | 5 |
| Doors | 4 |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 8 kg/Hp, 125.5 Hp/tonne |
| Weight-to-torque ratio | 5.1 kg/Nm, 196.8 Nm/tonne |
| Power | 401 Hp @ 5200 rpm |
| Torque | 629 Nm @ 4000 rpm, 463.93 lb.-ft. @ 4000 rpm |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | L8T |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 103.25 mm (4.06 in.) |
| Piston Stroke | 98 mm (3.86 in.) |
| Compression ratio | 10.8:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Direct injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | OHV |
| Engine oil capacity | 7.6 l (8.03 US qt | 6.69 UK qt) |
| Coolant | 14.6 l (15.43 US qt | 12.85 UK qt) |
| Kerb Weight | 3196 kg (7045.97 lbs.) |
| Max. weight | 4831 kg (10650.53 lbs.) |
| Max load | 1635 kg (3604.56 lbs.) |
| Fuel tank capacity | 136 l (35.93 US gal | 29.92 UK gal) |
| Permitted trailer load with brakes (12%) | 7257 kg (15998.95 lbs.) |
| Length | 6759 mm (266.1 in.) |
| Width including mirrors | 2079 mm (81.85 in.) |
| Height | 2023 mm (79.65 in.) |
| Wheelbase | 4369 mm (172.01 in.) |
| Front track | 1731 mm (68.15 in.) |
| Rear (Back) track | 1736 mm (68.35 in.) |
| Ride height (ground clearance) | 256 mm (10.08 in.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels permanently, and the front wheels are driven through an electrically or mechanically operated clutch if necessary. |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 10 gears, automatic transmission Allison |
| Front suspension | Independent torsion bar, double wishbone |
| Rear suspension | Rigid axle suspension, Leaf spring |
| Front brakes | Ventilated discs, 355×40 mm |
| Rear brakes | Ventilated discs, 360×34 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Cone worm with recirculation balls |
| Power steering | Hydraulic Steering |
| Tires size | 245/75 R17; 265/70 R17; 275/70 R18; 275/65 R20 |
| Wheel rims size | 7.5J x 17; 8J x 18; 8.5J x 20 |
INTRODUCTION
The 2024 Chevrolet Silverado 2500 HD, in its Crew Cab Long Bed configuration with the 6.6L V8 and 4WD, is a heavy-duty pickup truck designed for demanding tasks. It represents the fourth generation of the Silverado HD line (T1XX platform), receiving a significant refresh for the 2024 model year. This facelift included updated styling, enhanced technology, and refinements to the interior. Positioned as a workhorse, this variant offers a balance between capability and affordability, slotting below the more expensive diesel-powered models and higher trim levels. It caters to owners who need substantial towing and payload capacity but don’t require the ultimate in luxury or fuel efficiency.
Powertrain & Engine Architecture
At the heart of this Silverado 2500 HD is the Chevrolet L8T 6.6-liter naturally aspirated V8 engine. This engine is a staple in Chevrolet’s heavy-duty lineup, known for its robust construction and reliable performance. It utilizes direct fuel injection, a technology that improves efficiency and power output by injecting fuel directly into the combustion chamber. The engine features an overhead valve (OHV) valvetrain, a design choice that prioritizes durability and low-end torque. The 10-speed Allison automatic transmission is a key component, providing a wide range of gear ratios for optimal towing and hauling. This transmission is electronically controlled, adapting to driving conditions and load to deliver smooth and efficient shifts. The transmission’s gear ratios are optimized for both on-road cruising and low-speed, high-torque applications.
Driving Characteristics
The 6.6L V8 and 10-speed automatic combination delivers a solid, if not spectacular, driving experience. While it doesn’t offer the same level of effortless power as the Duramax diesel, it provides ample torque for most towing and hauling needs. The 10-speed transmission helps to keep the engine in its optimal power band, minimizing the need for frequent downshifts when carrying a load. Compared to manual transmission versions (which were less common), the automatic offers greater convenience, especially in stop-and-go traffic or when navigating challenging terrain. Against the diesel variants, this gasoline engine is noticeably less fuel-efficient, but it offers a lower initial purchase price and potentially lower maintenance costs. The ride quality, typical of a heavy-duty truck, is firm, but the Crew Cab configuration and long bed contribute to a reasonably comfortable experience for passengers.
Equipment & Trim Levels
The Silverado 2500 HD IV in this configuration typically comes standard with a respectable array of features. Interior appointments generally include cloth upholstery, though leather options were available as upgrades. Standard features often include an infotainment system with a touchscreen display (typically 7 or 8 inches), Apple CarPlay and Android Auto compatibility, and a rearview camera. Higher trim levels, such as LT and High Country, added features like heated and ventilated seats, a larger touchscreen, a premium sound system, and advanced safety technologies. Optional extras included a power sunroof, a bed liner, and various towing packages to enhance its capabilities.
Chassis & Braking
The Silverado 2500 HD utilizes a fully boxed frame, providing a strong and rigid foundation for the truck. The front suspension features an independent torsion bar setup with double wishbones, offering a comfortable ride and good handling characteristics. The rear suspension employs a traditional leaf spring design, optimized for carrying heavy loads. Braking duties are handled by ventilated disc brakes on all four wheels, with the front discs measuring 355×40 mm and the rear discs measuring 360×34 mm. An Anti-lock Braking System (ABS) is standard, enhancing safety and control during emergency braking situations. The steering system is a hydraulic power-assisted recirculating ball system, providing a direct and responsive feel.
Market Reception & Comparison
The 2024 Silverado 2500 HD with the 6.6L V8 and 10-speed automatic received generally positive reviews, particularly for its capability and improved interior. Critics noted that while the diesel engine offered superior towing performance and fuel economy, the gasoline V8 provided a more affordable entry point into the heavy-duty truck segment. Compared to competitors like the Ford Super Duty and Ram 2500, the Silverado 2500 HD offered a competitive combination of features, performance, and price. Fuel economy, as expected, was lower than the diesel options, but it was comparable to other gasoline-powered heavy-duty trucks. Reliability reports generally indicated good long-term durability, although some owners reported minor issues with the infotainment system.
Legacy
The L8T 6.6L V8 engine has proven to be a reliable and durable powertrain in the Silverado 2500 HD. While not as sought-after as the diesel variants, the gasoline-powered models remain popular in the used car market, particularly among buyers who prioritize affordability and simplicity. The 10-speed Allison automatic transmission has also earned a reputation for its smooth operation and dependability. These trucks continue to be valued for their ability to handle demanding tasks, making them a practical choice for owners who need a capable and robust pickup truck.


