The Chevrolet Silverado 2500 HD IV, specifically the Crew Cab Standard Bed configuration with the 6.6L Duramax Turbo-Diesel V8 engine producing 470 horsepower, represents a significant iteration in Chevrolet’s heavy-duty truck lineup. Introduced with the 2024 facelift (based on the T1XX platform), this variant caters to buyers requiring substantial towing and hauling capabilities combined with a degree of interior comfort. Production began in 2023 and continues to be a key offering in the North American heavy-duty truck market, competing directly with Ford’s Super Duty and Ram’s 2500/3500 series.
Technical Specifications
| Brand | Chevrolet |
| Model | Silverado 2500 HD |
| Generation | Silverado 2500 HD IV (T1XX, facelift 2024) Crew Cab Standard Bed |
| Type (Engine) | 6.6 Duramax TD V8 (470 Hp) 4WD Automatic |
| Start of production | 2023 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Pick-up |
| Seats | 5 |
| Doors | 4 |
| Fuel Type | Diesel |
| Weight-to-power ratio | 7.4 kg/Hp, 134.6 Hp/tonne |
| Weight-to-torque ratio | 2.6 kg/Nm, 378.5 Nm/tonne |
| Power | 470 Hp @ 2800 rpm |
| Power per litre | 71.2 Hp/l |
| Torque | 1322 Nm @ 1600 rpm (975.06 lb.-ft. @ 1600 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | L5P |
| Engine displacement | 6604 cm3 (403 cu. in.) |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 103 mm (4.06 in.) |
| Piston Stroke | 99 mm (3.9 in.) |
| Compression ratio | 16:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | OHV |
| Engine oil capacity | 9.5 l (10.04 US qt | 8.36 UK qt) |
| Coolant capacity | 28.5 l (30.12 US qt | 25.08 UK qt) |
| Kerb Weight | 3493 kg (7700.75 lbs.) |
| Max. weight | 5058 kg (11150.98 lbs.) |
| Max load | 1565 kg (3450.23 lbs.) |
| Fuel tank capacity | 136 l (35.93 US gal | 29.92 UK gal) |
| Permitted trailer load with brakes (12%) | 9072 kg (20000.34 lbs.) |
| Length | 6349 mm (249.96 in.) |
| Width including mirrors | 2079 mm (81.85 in.) |
| Height | 2027 mm (79.8 in.) |
| Wheelbase | 4037 mm (158.94 in.) |
| Front track | 1731 mm (68.15 in.) |
| Rear track | 1736 mm (68.35 in.) |
| Ride height (ground clearance) | 257 mm (10.12 in.) |
| Drivetrain Architecture | All wheel drive (4×4). ICE drives rear wheels, front engaged via clutch. |
| 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 |
| Tires size | 245/75 R17; 265/70 R17; 275/70 R18; 265/65 R20 |
| Wheel rims size | 7.5J x 17; 8J x 18; 8.5J x 20 |
Introduction
The 2024 Chevrolet Silverado 2500 HD Crew Cab with the 6.6L Duramax diesel and automatic transmission is a heavy-duty pickup truck designed for demanding tasks. Positioned as a mid-to-high range offering within the Silverado 2500/3500 HD lineup, it provides a balance between capability, comfort, and technology. The “IV” designation refers to the fourth generation of the Silverado HD series, built on the T1XX platform. The 2024 facelift brought updated styling, interior enhancements, and improved technology features, solidifying its position in the competitive heavy-duty truck segment.
Powertrain & Engine Architecture
At the heart of this Silverado 2500 HD is the 6.6-liter Duramax L5P turbo-diesel V8 engine. This engine is a cornerstone of Chevrolet’s heavy-duty offerings, known for its robust construction and high torque output. The L5P utilizes a cast iron block, aluminum cylinder heads, and a forged steel crankshaft. It employs a high-pressure common rail direct fuel injection system, delivering fuel at extremely high pressures for optimized combustion. The engine features a variable geometry turbocharger (VGT) and an intercooler to maximize power and efficiency. The valvetrain utilizes an overhead valve (OHV) configuration. Paired with the engine is the Allison 10-speed automatic transmission, a heavy-duty unit specifically designed to handle the engine’s substantial torque. This transmission features electronically controlled shifts and a lock-up torque converter for improved fuel economy and performance.
Driving Characteristics
The combination of the 470 horsepower and 975 lb-ft of torque delivered by the Duramax engine and the 10-speed Allison transmission results in impressive performance. While not designed for outright speed, this Silverado 2500 HD excels at towing and hauling heavy loads. The 10-speed transmission provides a wide range of gear ratios, allowing the engine to operate in its optimal power band more frequently. Compared to gasoline-powered Silverado 2500 HD models, the Duramax diesel offers significantly more low-end torque, making it ideal for tasks like pulling trailers or navigating steep grades. Compared to earlier Duramax engines, the L5P benefits from the additional gears of the 10-speed Allison, resulting in smoother shifts and improved fuel economy. The ride quality, while typical of a heavy-duty truck, is reasonably comfortable, especially in the Crew Cab configuration.
Equipment & Trim Levels
The Crew Cab Standard Bed configuration typically comes well-equipped, even in base trims. Standard features generally include air conditioning, power windows and locks, a touchscreen infotainment system with Apple CarPlay and Android Auto compatibility, and a rearview camera. Higher trim levels, such as LT, LTZ, and High Country, add features like leather upholstery, heated and ventilated front seats, a premium sound system, navigation, and advanced safety technologies like adaptive cruise control and lane departure warning. Optional extras include a power sunroof, a spray-in bedliner, and various towing packages.
Chassis & Braking
The Silverado 2500 HD utilizes a fully boxed frame for enhanced strength and rigidity. The front suspension features an independent torsion bar setup with double wishbone control arms, while the rear suspension employs a traditional leaf spring design. This configuration is optimized for handling heavy loads and providing a stable ride. Braking duties are handled by ventilated disc brakes on all four wheels, with larger rotors at the front (355×40 mm) compared to the rear (360×34 mm). An Anti-lock Braking System (ABS) is standard. The steering system utilizes a hydraulic power steering setup with a cone worm and recirculation balls mechanism.
Market Reception & Comparison
The 2024 Silverado 2500 HD with the Duramax diesel engine has generally received positive reviews from automotive critics. The engine is praised for its power and torque, while the 10-speed Allison transmission is lauded for its smooth shifting and improved fuel economy. Compared to the gasoline-powered Silverado 2500 HD, the Duramax diesel offers superior towing and hauling capabilities, but at a higher initial cost. Fuel economy, while still relatively low compared to lighter vehicles, is significantly better than the gasoline engines, especially when towing. Reliability has been generally good, although diesel engines can be more expensive to maintain than gasoline engines due to the complexity of the fuel injection system and emissions controls.
Legacy
The Duramax diesel engine has become a benchmark in the heavy-duty truck segment, known for its durability and longevity. The L5P version, paired with the Allison 10-speed automatic, represents a significant improvement over previous generations. In the used car market, Silverado 2500 HD models equipped with this powertrain combination hold their value well, due to their reputation for reliability and capability. Properly maintained, these trucks are expected to provide many years of service, making them a popular choice for buyers seeking a robust and dependable heavy-duty pickup.
