The Chevrolet Silverado 3500 HD IV, specifically the Crew Cab Long Bed configuration with the 6.6-liter V8 engine producing 401 horsepower, represents the latest iteration of Chevrolet’s heavy-duty pickup truck lineage. Introduced for the 2024 model year as part of the T1XX platform’s facelift, this variant occupies a significant position within the Silverado 3500 HD range, catering to buyers requiring substantial towing and payload capacity without sacrificing interior space and comfort. It’s designed for demanding tasks, from commercial applications to recreational towing of large trailers and boats.
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) 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 | 7.8 kg/Hp, 128.4 Hp/tonne |
| Weight-to-torque ratio | 5 kg/Nm, 201.5 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 | 3122 kg (6882.83 lbs.) |
| Max. weight | 5148 kg (11349.4 lbs.) |
| Max load | 2026 kg (4466.57 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 | Rear wheel drive. Internal Combustion engine (ICE) |
| 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 | 275/70 R18; 275/65 R20 |
| Wheel rims size | 8J x 18; 8.5J x 20 |
INTRODUCTION
The 2024 Chevrolet Silverado 3500 HD IV Crew Cab Long Bed 6.6 V8 (401 Hp) SRW Automatic is a heavy-duty pickup truck designed for demanding tasks. Built on the T1XX platform, this model represents a significant refresh of the Silverado HD line, focusing on increased capability, improved technology, and enhanced interior comfort. The “SRW” designation indicates a standard rear wheel drive configuration. This particular variant is positioned as a strong all-around performer, offering a balance between power, towing capacity, and everyday usability. It caters to customers who need a robust truck for work or recreation, but don’t necessarily require the added complexity or cost of four-wheel drive.
Powertrain & Engine Architecture
At the heart of this Silverado 3500 HD lies the Chevrolet L8T 6.6-liter naturally aspirated V8 engine. This engine utilizes direct fuel injection and an overhead valve (OHV) valvetrain configuration. The direct injection system contributes to improved fuel efficiency and power delivery. The OHV design, while traditional, is known for its durability and relatively simple maintenance. The engine produces 401 horsepower at 5200 rpm and 629 lb-ft of torque at 4000 rpm. This torque output is crucial for heavy towing and hauling. The engine is paired with a robust 10-speed Allison automatic transmission, known for its smooth shifting and durability. This transmission is specifically tuned to handle the high torque output of the V8 engine and provide optimal gear ratios for both towing and everyday driving.
Driving Characteristics
The 401 hp and 629 lb-ft of torque provide ample power for hauling heavy loads and towing substantial trailers. The 10-speed Allison transmission plays a key role in maximizing efficiency and providing smooth power delivery. While not as quick as lighter-duty Silverado models, the 3500 HD offers confident acceleration, even when loaded. The gear ratios are optimized for towing, allowing the engine to stay within its peak torque range when under load. Compared to the available Duramax diesel engine, this gasoline V8 offers a different driving experience. The diesel provides significantly more torque at lower RPMs, making it ideal for extremely heavy towing. However, the V8 is generally quieter and less expensive to maintain. Compared to lower-trim Silverado 3500 HD models with smaller engines, this 6.6L V8 provides a substantial performance upgrade.
Equipment & Trim Levels
The Crew Cab Long Bed configuration offers a spacious interior with seating for five passengers. Standard features typically include air conditioning, power windows and locks, a Chevrolet Infotainment 3 system with a touchscreen display, and Apple CarPlay/Android Auto compatibility. Higher trim levels add features such as leather upholstery, heated and ventilated front seats, a premium audio system, and advanced safety technologies like adaptive cruise control and lane departure warning. The Long Bed configuration provides ample cargo space for hauling equipment or gear. Optional extras include a power sunroof, a spray-in bedliner, and various towing packages.
Chassis & Braking
The Silverado 3500 HD features a fully boxed frame designed for strength and rigidity. The front suspension utilizes an independent torsion bar and double wishbone setup, providing a comfortable ride and good handling. The rear suspension employs a traditional leaf spring design, optimized for load-carrying capacity. The braking system consists of ventilated discs 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 cone worm with recirculation balls, providing precise and responsive steering feel. Hydraulic power steering assists with maneuverability.
Market Reception & Comparison
The 2024 Silverado 3500 HD has been generally well-received by critics, praised for its increased towing capacity, improved interior, and enhanced technology. The 6.6L V8 engine is considered a capable option for those who don’t require the ultimate towing power of the Duramax diesel. Fuel economy is typical for a heavy-duty pickup truck, and while not exceptional, it’s competitive within its segment. Reliability is generally good, although maintenance costs can be higher compared to some lighter-duty trucks. Compared to the Ford Super Duty and Ram Heavy Duty, the Silverado 3500 HD offers a compelling combination of capability, comfort, and value.
Legacy
The L8T 6.6L V8 engine has proven to be a durable and reliable powerplant in Chevrolet’s heavy-duty trucks. While the diesel engine remains the preferred choice for extreme towing applications, the gasoline V8 continues to be a popular option for those who prioritize affordability and simplicity. The 2024 Silverado 3500 HD IV represents a significant step forward in terms of technology and refinement, solidifying Chevrolet’s position as a leader in the heavy-duty truck market. In the used car market, well-maintained examples of this generation Silverado 3500 HD are expected to hold their value due to their proven capability and durability.
