The Chevrolet Silverado 3500 HD IV, specifically the 2024 model year facelift featuring a Regular Cab Long Bed configuration with the 6.6-liter V8 engine producing 401 horsepower and paired with a 4WD SRW Automatic transmission, represents Chevrolet’s heavy-duty pickup truck offering. Introduced as part of the T1XX generation, the 2024 refresh brought updated styling and technology to an already capable platform. This particular variant caters to buyers needing substantial towing and hauling capacity in a work-focused configuration, prioritizing functionality over luxury. It occupies a position within the Silverado 3500 HD lineup as a robust, no-nonsense option for commercial use or demanding personal applications.
Technical Specifications
| Brand | Chevrolet |
| Model | Silverado 3500 HD |
| Generation | Silverado 3500 HD IV (T1XX, facelift 2024) Regular 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 | 2 |
| Doors | 2 |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 7.5 kg/Hp, 132.5 Hp/tonne |
| Weight-to-torque ratio | 4.8 kg/Nm, 207.9 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 | 3026 kg (6671.19 lbs) |
| Max. weight | 5125 kg (11298.69 lbs) |
| Max load | 2099 kg (4627.5 lbs) |
| Fuel tank capacity | 136 l (35.93 US gal | 29.92 UK gal) |
| Permitted trailer load with brakes (12%) | 5125 kg (11298.69 lbs) |
| Length | 5982 mm (235.51 in) |
| Width including mirrors | 2076 mm (81.73 in) |
| Height | 2056 mm (80.94 in) |
| Wheelbase | 3595 mm (141.54 in) |
| Front track | 1731 mm (68.15 in) |
| Rear (Back) track | 1736 mm (68.35 in) |
| Ride height (ground clearance) | 285 mm (11.22 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, 355×40 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Cone worm with recirculation balls |
| Power steering | Hydraulic Steering |
| Tires size | 235/80 R17; 235/80 R18 |
| Wheel rims size | 6.5J x 17 |
Powertrain & Engine Architecture
At the heart of this Silverado 3500 HD variant lies the 6.6-liter L8T V8 gasoline engine. This engine is a naturally aspirated, overhead valve (OHV) design featuring direct fuel injection. The L8T produces 401 horsepower at 5200 rpm and 629 Nm (463.93 lb-ft) of torque at 4000 rpm. The engine’s robust construction and large displacement are geared towards providing substantial low-end torque, crucial for heavy towing and hauling. The engine utilizes a 10.8:1 compression ratio. The engine is mated to a heavy-duty 10-speed Allison automatic transmission, specifically designed to handle the high torque output and provide smooth, efficient shifting even under heavy loads. This transmission features electronically controlled shifting and tow/haul mode for optimized performance when towing.
Driving Characteristics
The 401 hp/629 Nm combination in the Silverado 3500 HD delivers a capable, though not overtly sporty, driving experience. The focus is squarely on work capability. Acceleration is adequate for everyday driving, but the truck truly shines when tasked with towing or hauling. The 10-speed Allison transmission helps keep the engine in its optimal power band, providing responsive acceleration and minimizing gear hunting. Compared to higher-output diesel variants, this gasoline engine offers a quieter and smoother ride, but sacrifices the ultimate towing capacity and fuel efficiency. The gear ratios are optimized for pulling power, meaning highway cruising RPMs are slightly higher than in some competitor trucks.
Equipment & Trim Levels
The Regular Cab Long Bed 6.6L V8 4WD configuration typically represents a work-truck focused trim level. Standard equipment generally includes basic features like air conditioning, a basic infotainment system with a touchscreen display, vinyl upholstery, and steel wheels. Optional extras could include upgraded infotainment systems with navigation, power windows and locks, keyless entry, and various towing packages. The interior is functional and durable, prioritizing ease of cleaning and long-term reliability over luxury appointments. This trim level is often chosen by commercial buyers or individuals who prioritize functionality and cost-effectiveness.
Chassis & Braking
The Silverado 3500 HD utilizes a fully boxed frame for exceptional strength and rigidity. The front suspension consists of an independent torsion bar setup with double wishbones, while the rear employs a traditional rigid axle suspension with leaf springs. This configuration is designed to maximize payload capacity and provide a stable ride even when heavily loaded. Braking duties are handled by ventilated disc brakes on all four wheels, measuring 355×40 mm. An Anti-lock Braking System (ABS) is standard. The steering system is a hydraulic recirculating ball setup, providing a robust and reliable feel.
Market Reception & Comparison
The 2024 Silverado 3500 HD with the 6.6L V8 and automatic transmission received generally positive reviews for its capability and improved interior compared to previous generations. Critics noted that while the gasoline engine doesn’t match the towing capacity of the Duramax diesel, it offers a more affordable entry point into the heavy-duty truck segment. Fuel economy is a notable drawback compared to diesel options, and some reviewers found the ride quality to be firm, especially when unladen. Compared to competitors like the Ford Super Duty and Ram 3500, the Silverado 3500 HD offers a competitive combination of power, payload, and price.
Legacy
The L8T 6.6L V8 engine, while not as ubiquitous as the Duramax diesel in the Silverado 3500 HD lineup, has proven to be a reliable and durable powertrain. The Allison 10-speed automatic transmission is also known for its robustness. In the used car market, these trucks are generally well-regarded for their work capability and relatively straightforward maintenance. However, potential buyers should be aware of the higher fuel consumption compared to diesel models and the importance of regular maintenance to ensure long-term reliability. The 2024 facelifted model represents a refinement of the T1XX platform, addressing some of the criticisms leveled at earlier versions and solidifying the Silverado 3500 HD’s position as a strong contender in the heavy-duty truck market.
