The Chevrolet Silverado 2500 HD IV, specifically the 2024 facelift model with the 6.6L Duramax Turbo Diesel V8 engine producing 470 horsepower and paired with a 10-speed automatic transmission and four-wheel drive, represents a significant offering in the heavy-duty pickup truck segment. Introduced for the 2023 model year as part of the fourth generation (T1XX platform), this configuration caters to buyers needing substantial towing and hauling capacity without sacrificing modern comfort and technology. The Double Cab Standard Bed configuration provides a balance between passenger space and cargo versatility, positioning it as a workhorse for both commercial and personal use.
Technical Specifications
| Brand | Chevrolet |
| Model | Silverado 2500 HD |
| Generation | Silverado 2500 HD IV (T1XX, facelift 2024) Double 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 | 7.3 kg/Hp, 136.7 Hp/tonne |
| Weight-to-torque ratio | 2.6 kg/Nm, 384.6 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 | 3437 kg (7577.29 lbs.) |
| Max. weight | 4990 kg (11001.07 lbs.) |
| Max load | 1553 kg (3423.78 lbs.) |
| Fuel tank capacity | 111 l (29.32 US gal | 24.42 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 track | 1736 mm (68.35 in.) |
| Ride height (ground clearance) | 259 mm (10.2 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, 350×40 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 with the 6.6L Duramax diesel and 10-speed automatic represents a cornerstone of Chevrolet’s heavy-duty truck lineup. Building upon the redesigned T1XX platform introduced in 2020, the 2024 model year brought a significant facelift, enhancing both the exterior styling and interior technology. This particular configuration – the Double Cab with a Standard Bed – is designed to appeal to customers who require a robust work truck with a degree of passenger comfort. It slots into the lineup as a versatile option, offering a balance between the more utilitarian Regular Cab models and the more luxurious High Country trims.
Powertrain & Engine Architecture
At the heart of this Silverado 2500 HD is the L5P 6.6-liter Duramax turbocharged diesel V8 engine. This engine is a cornerstone of GM’s heavy-duty truck strategy, known for its durability and substantial torque output. The L5P utilizes a cast iron block, aluminum cylinder heads, and a robust rotating assembly designed to withstand the stresses of heavy towing and hauling. The engine employs a high-pressure common rail direct fuel injection system, delivering fuel directly into the cylinders at extremely high pressures for optimized combustion. The turbocharger, coupled with an intercooler, provides increased air density for improved power and efficiency. The overhead valve (OHV) valvetrain, while a traditional design, is known for its reliability and simplicity. Paired with the engine is the Allison 10-speed automatic transmission, a heavy-duty unit specifically engineered to handle the immense torque produced by the Duramax diesel. This transmission features electronically controlled shifts and a wide gear ratio spread, optimizing both performance and fuel economy.
Driving Characteristics
The combination of the 470 horsepower and 1322 lb-ft of torque delivered by the Duramax engine and the 10-speed Allison transmission results in a driving experience focused on capability and control. While not designed for outright speed, the Silverado 2500 HD offers ample power for accelerating with a load or maintaining highway speeds. The 10-speed transmission allows the engine to operate within its optimal power band more frequently, providing strong acceleration and responsive shifting. Compared to gasoline-powered Silverado 2500 HD models, the Duramax diesel offers significantly more low-end torque, making it ideal for towing heavy trailers. Compared to older Duramax engines, the 10-speed transmission provides smoother shifts and improved fuel economy. The gear ratios are optimized for both hauling and highway cruising, offering a comfortable and confident driving experience even when fully loaded.
Equipment & Trim Levels
The Double Cab Standard Bed configuration typically includes standard features such as air conditioning, power windows and locks, a basic infotainment system with a touchscreen display, and a rearview camera. Interior upholstery is typically vinyl or cloth, with options for leather upgrades on higher trim levels. The dashboard layout is functional and straightforward, prioritizing ease of use. Available optional extras include a premium audio system, navigation, heated and ventilated front seats, a power-adjustable driver’s seat, and advanced safety features like lane departure warning and automatic emergency braking. The specific features included vary depending on the chosen trim level, with LT and higher trims offering more luxurious appointments.
Chassis & Braking
The Silverado 2500 HD utilizes a fully boxed frame constructed from high-strength steel, providing a solid foundation for the truck’s heavy-duty capabilities. The front suspension features an independent torsion bar setup with double wishbone control arms, offering a comfortable ride and precise handling. The rear suspension employs a traditional leaf spring design, optimized for load-carrying capacity. Braking duties are handled by ventilated disc brakes on all four wheels, providing ample stopping power even when towing. The front brakes measure 350x40mm, while the rear brakes are 360x34mm. An Anti-lock Braking System (ABS) is standard, enhancing safety and control during emergency braking situations.
Market Reception & Comparison
The 2024 Silverado 2500 HD with the Duramax diesel has generally received positive reviews from automotive critics. The engine is consistently praised for its power and torque, while the 10-speed transmission is lauded for its smooth shifting and improved fuel economy. Compared to the gasoline-powered Silverado 2500 HD models, the Duramax diesel offers superior towing and hauling capabilities, albeit at a higher initial cost. Compared to competitors like the Ford Super Duty and Ram 2500, the Silverado 2500 HD offers a competitive combination of power, capability, and value. Fuel economy, while improved with the 10-speed transmission, remains a consideration for owners, but the Duramax diesel generally offers better fuel efficiency than comparable gasoline engines when towing heavy loads.
Legacy
The L5P Duramax engine has established a strong reputation for reliability and longevity. With proper maintenance, these engines are known to exceed 200,000 miles without major issues. The Allison 10-speed transmission is also considered a durable and reliable unit. On the used car market, Silverado 2500 HD models equipped with the Duramax diesel and 10-speed automatic command a premium price due to their proven capabilities and long-term reliability. These trucks remain popular choices for owners who require a robust and dependable work truck capable of handling demanding tasks.
