The Chevrolet Silverado 3500 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 heavy-duty pickup truck offering for the 2024 model year. This variant falls within the fourth generation (T1XX platform) of the Silverado HD series, benefitting from a mid-cycle refresh introduced for 2024. Positioned as a robust work truck and capable hauler, it caters to owners requiring substantial towing and payload capacity. This particular combination balances power with usability, making it a popular choice for both commercial and personal applications.
Technical Specifications
| Brand | Chevrolet |
| Model | Silverado 3500 HD |
| Generation | Silverado 3500 HD IV (T1XX, facelift 2024) Crew Cab Long Bed |
| Type (Engine) | 6.6 V8 (401 Hp) 4WD SRW Automatic |
| Start of production | 2024 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Pick-up |
| Seats | 5 |
| Doors | 4 |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 8.1 kg/Hp, 123 Hp/tonne |
| Weight-to-torque ratio | 5.2 kg/Nm, 192.9 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 | 3261 kg (7189.27 lbs) |
| Max. weight | 5307 kg (11699.93 lbs) |
| Max load | 2046 kg (4510.66 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 | 2049 mm (80.67 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) | 283 mm (11.14 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 | 275/70 R18; 275/65 R20 |
| Wheel rims size | 8J x 18; 8.5J x 20 |
Powertrain & Engine Architecture
At the heart of this Silverado 3500 HD variant lies the Chevrolet L8T 6.6-liter naturally aspirated V8 engine. This engine is a staple of Chevrolet’s heavy-duty truck lineup, known for its durability and substantial torque output. The L8T utilizes direct fuel injection, enhancing combustion efficiency and power delivery. The overhead valve (OHV) valvetrain, while a traditional design, contributes to the engine’s robustness and relatively simple maintenance requirements. The engine produces 401 horsepower at 5200 rpm and 629 Nm (463.93 lb-ft) of torque at 4000 rpm. This torque figure is crucial for heavy towing and hauling. Paired with the engine is the Allison 10-speed automatic transmission. This transmission is renowned for its smooth shifting and ability to handle the high torque output of the V8 engine. The 10-speed configuration provides a wide gear ratio spread, optimizing both fuel efficiency and performance.
Driving Characteristics
The 6.6L V8 and 10-speed automatic combination delivers a driving experience focused on capability rather than outright speed. Acceleration is adequate for a vehicle of this size and weight, but the emphasis is on providing strong, consistent torque for towing and hauling. The Allison transmission’s programming prioritizes smooth shifts and maintaining engine power in optimal ranges. Compared to lighter-duty Silverado 1500 models, or even Silverado 3500s equipped with the optional Duramax diesel engine, this gasoline V8 offers a different character. The diesel provides superior towing capacity and fuel economy, while the gasoline engine is generally less expensive upfront and offers a more familiar engine sound. The 10-speed automatic helps mitigate some of the fuel economy disadvantages compared to older 6-speed transmissions.
Equipment & Trim Levels
The 2024 Silverado 3500 HD IV Crew Cab Long Bed 6.6 V8 4WD typically comes standard with a comprehensive suite of features. These include air conditioning, power windows and locks, a touchscreen infotainment system with Apple CarPlay and Android Auto compatibility, and a rearview camera. The Crew Cab configuration provides ample passenger space, while the Long Bed offers a generous cargo area. Higher trim levels, such as LT, LTZ, and High Country, add features like leather upholstery, heated and ventilated seats, a premium sound system, and advanced safety technologies like adaptive cruise control and lane departure warning. Optional extras often include a power sunroof, upgraded wheels, and various towing packages.
Chassis & Braking
The Silverado 3500 HD utilizes a robust chassis designed to withstand heavy loads. The front suspension features an independent torsion bar setup with double wishbones, providing a comfortable ride while maintaining stability. 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, 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 is a hydraulic recirculating ball setup, providing a direct and responsive feel.
Market Reception & Comparison
The Silverado 3500 HD with the 6.6L V8 and 10-speed automatic generally receives positive reviews for its capability and value. Critics acknowledge that the gasoline engine doesn’t match the diesel’s towing prowess or fuel efficiency, but it offers a more affordable entry point into the heavy-duty truck segment. Compared to competitors like the Ford Super Duty and Ram 3500, the Silverado 3500 HD is often praised for its comfortable ride and user-friendly infotainment system. Fuel economy is a common point of comparison, with the diesel variants consistently outperforming the gasoline engine in this regard. Reliability is generally considered good, although long-term data for the 2024 model is still emerging.
Legacy
The 6.6L V8 engine has a long and established history in Chevrolet trucks, earning a reputation for durability and dependability. While newer technologies like turbocharging and diesel engines are gaining popularity, the naturally aspirated V8 remains a viable option for owners who prioritize simplicity and affordability. The Allison 10-speed automatic transmission further enhances the powertrain’s longevity and performance. In the used car market, Silverado 3500 HD models equipped with this powertrain combination are likely to hold their value due to their proven track record and strong demand for capable heavy-duty trucks.
