Technical Specifications
| Brand | Chevrolet |
| Model | Silverado 2500 HD |
| Generation | Silverado 2500 HD IV (T1XX, facelift 2024) Double Cab Standard Bed |
| Type (Engine) | 6.6 V8 (401 Hp) 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 | 7.4 kg/Hp, 134.3 Hp/tonne |
| Weight-to-torque ratio | 4.7 kg/Nm, 210.7 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 | 2985 kg (6580.8 lbs.) |
| Max. weight | 4559 kg (10050.87 lbs.) |
| Max load | 1574 kg (3470.08 lbs.) |
| Fuel tank capacity | 136 l (35.93 US gal | 29.92 UK gal) |
| Permitted trailer load with brakes (12%) | 6577 kg (14499.8 lbs.) |
| Length | 6107 mm (240.43 in.) |
| Width including mirrors | 2079 mm (81.85 in.) |
| Height | 2031 mm (79.96 in.) |
| Wheelbase | 3795 mm (149.41 in.) |
| Front track | 1731 mm (68.15 in.) |
| Rear (Back) track | 1736 mm (68.35 in.) |
| Ride height (ground clearance) | 259 mm (10.2 in.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
| Drive wheel | Rear wheel drive |
| 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 |
The Chevrolet Silverado 2500 HD IV, specifically the Double Cab Standard Bed configuration powered by the 6.6-liter V8 engine producing 401 horsepower, represents Chevrolet’s entry point into the heavy-duty truck segment for the 2024 model year (produced from 2023). This iteration resides within the fourth generation (T1XX platform) of the Silverado HD series, benefiting from a mid-cycle refresh that incorporated styling updates and technological enhancements. Positioned as a workhorse capable of substantial towing and hauling, this variant balances capability with a degree of everyday usability for owners needing a robust pickup for both commercial and personal applications.
Powertrain & Engine Architecture
At the heart of this Silverado 2500 HD variant lies the Chevrolet L8T 6.6-liter naturally aspirated V8 engine. This engine is a mainstay in Chevrolet’s heavy-duty lineup, renowned for its durability and substantial torque output. The L8T utilizes direct fuel injection, a technology that improves fuel efficiency and power delivery by injecting fuel directly into the combustion chamber. The engine features an overhead valve (OHV) valvetrain, a traditional design favored for its simplicity and reliability. The 10-speed Allison automatic transmission is paired with the engine, providing a wide range of gear ratios for optimized towing, hauling, and highway cruising. This transmission is known for its smooth shifting and robust construction, capable of handling the high torque output of the V8 engine.
Driving Characteristics
The 401 horsepower and 629 lb-ft of torque delivered by the L8T engine, coupled with the 10-speed Allison transmission, provide a commanding driving experience. While not as quick as lighter-duty trucks, the Silverado 2500 HD excels in situations requiring substantial pulling power. The transmission’s gear ratios are tuned to maximize torque at low speeds, making it ideal for towing trailers or hauling heavy loads. Compared to the available Duramax diesel engine option, this gasoline V8 offers a more responsive feel and a simpler overall design, but sacrifices fuel economy and ultimate towing capacity. The ride quality, while improved in the fourth generation, remains firm due to the heavy-duty suspension components.
Equipment & Trim Levels
The Double Cab Standard Bed configuration typically includes standard features such as air conditioning, a basic infotainment system with a touchscreen display, and cloth upholstery. Higher trim levels, such as the LT and High Country, add features like leather upholstery, heated and ventilated seats, a premium audio system, and advanced safety technologies. Optional extras for this variant include a trailer brake controller, a bed liner, and various appearance packages. The Double Cab configuration provides comfortable seating for five passengers, while the standard bed offers a practical cargo-carrying capacity.
Chassis & Braking
The Silverado 2500 HD utilizes a fully boxed frame for enhanced rigidity and durability. The front suspension features an independent torsion bar setup with double wishbone components, while the rear suspension employs a traditional leaf spring design. This combination provides a balance of ride comfort and load-carrying capacity. Braking duties are handled by ventilated disc brakes on all four wheels, providing ample stopping power even when towing heavy loads. An Anti-lock Braking System (ABS) is standard equipment. The steering system utilizes a hydraulic power steering setup, offering 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 robust towing capability and comfortable interior. Critics noted that the gasoline V8 offered a more affordable entry point into the heavy-duty truck segment compared to the diesel option. However, fuel economy was a common concern, as the V8 engine consumes significantly more fuel than the diesel alternative. Compared to competitors like the Ford Super Duty and Ram 2500, the Silverado 2500 HD offered a competitive combination of features, capability, and price.
Legacy
The L8T 6.6-liter V8 engine has proven to be a reliable and durable powerplant in Chevrolet’s heavy-duty trucks. While not as fuel-efficient as modern diesel engines, it remains a popular choice for owners who prioritize simplicity and affordability. In the used car market, Silverado 2500 HD models equipped with this engine and transmission are generally well-regarded for their dependability and towing capacity. Regular maintenance, including oil changes and fluid checks, is crucial for ensuring the long-term reliability of this powertrain. The fourth-generation Silverado 2500 HD, with its updated styling and technology, represents a significant step forward in terms of refinement and capability, solidifying its position as a leading contender in the heavy-duty truck segment.
