The Chevrolet Silverado 3500 HD II, specifically the Extended Cab Long Box configuration with the 6.0-liter V8 engine and four-wheel drive, represents a significant iteration of Chevrolet’s heavy-duty pickup truck lineage. Produced from 2011 to 2014 as part of the GMT900 platform’s facelift, this variant aimed to balance robust capability with a degree of everyday usability. It occupied a sweet spot in the Silverado 3500 HD lineup, offering a substantial increase in towing and payload capacity over the 2500HD series, while remaining more accessible than the fully-loaded premium trims. This model year saw updates to the interior and exterior styling, along with refinements to the powertrain for improved efficiency and durability.
Technical Specifications
| Brand | Chevrolet |
| Model | Silverado 3500 HD |
| Generation | Silverado 3500 HD II (GMT900, facelift 2011) Extended Cab Long Box |
| Type (Engine) | 6.0 V8 (360 Hp) 4WD SRW Automatic |
| Start of production | 2011 |
| End of production | 2014 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Pick-up |
| Seats | 5 |
| Doors | 2 |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 8.9 kg/Hp, 112.6 Hp/tonne |
| Weight-to-torque ratio | 6.2 kg/Nm, 161 Nm/tonne |
| Power | 360 Hp @ 5400 rpm |
| Power per litre | 60.3 Hp/l |
| Torque | 515 Nm @ 4200 rpm, 379.84 lb.-ft. @ 4200 rpm |
| Maximum engine speed | 6000 rpm |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | Vortec L96 |
| Engine displacement | 5967 cm3, 364.13 cu. in. |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 101.6 mm, 4 in. |
| Piston Stroke | 92 mm, 3.62 in. |
| Compression ratio | 9.6:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | OHV, VVT |
| Engine oil capacity | 5.7 l, 6.02 US qt | 5.02 UK qt |
| Coolant | 15.5 l, 16.38 US qt | 13.64 UK qt |
| Kerb Weight | 3198 kg, 7050.38 lbs. |
| Max. weight | 4990 kg, 11001.07 lbs. |
| Max load | 1792 kg, 3950.68 lbs. |
| Trunk (boot) space – maximum | 2138 l, 75.5 cu. ft. |
| Fuel tank capacity | 136 l, 35.93 US gal | 29.92 UK gal |
| Permitted trailer load with brakes (12%) | 6169 kg, 13600.32 lbs. |
| Length | 6337 mm, 249.49 in. |
| Width including mirrors | 2436 mm, 95.91 in. |
| Height | 1966 mm, 77.4 in. |
| Wheelbase | 4018 mm, 158.19 in. |
| Front track | 1748 mm, 68.82 in. |
| Rear (Back) track | 1709 mm, 67.28 in. |
| Ride height (ground clearance) | 213 mm, 8.39 in. |
| Minimum turning circle (turning diameter) | 15.8 m, 51.84 ft. |
| 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 | 6 gears, automatic transmission Hydra-Matic |
| 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, 373×34 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Cone worm with recirculation balls |
| Tires size | 235/80 R17; 265/70 R18 |
| Wheel rims size | 6.5J x 17; 8J x 18 |
Powertrain & Engine Architecture
At the heart of this Silverado 3500 HD II lies the Vortec L96 6.0-liter V8 engine. This engine is a member of Chevrolet’s well-regarded Vortec family, known for its robust construction and relatively simple design. The L96 features a cast iron block and aluminum cylinder heads, contributing to its durability. It utilizes a multi-port fuel injection system, delivering fuel directly to each cylinder for efficient combustion. The overhead valve (OHV) valvetrain, coupled with variable valve timing (VVT), helps optimize performance across the engine’s operating range. The engine produces 360 horsepower at 5400 rpm and 515 lb-ft of torque at 4200 rpm. This power is channeled through a six-speed Hydra-Matic automatic transmission, specifically tuned for heavy-duty applications. The transmission’s gear ratios are optimized for both towing and hauling, providing a balance between power delivery and fuel efficiency.
Driving Characteristics
The 6.0-liter V8 and automatic transmission combination delivers a capable, if not particularly sporty, driving experience. While not as quick as some of the lighter-duty pickups or those equipped with more powerful engines, the Silverado 3500 HD II offers ample power for most towing and hauling tasks. The automatic transmission shifts smoothly, although it can sometimes feel hesitant when downshifting for passing maneuvers. The truck’s substantial weight is noticeable, particularly when braking and cornering. Compared to the available diesel engines, this gasoline V8 provides a quieter and smoother ride, but sacrifices fuel economy and ultimate towing capacity. Manual transmission versions of the Silverado 3500 HD offered a more engaging driving experience, but the automatic was favored by many buyers for its convenience, especially when used for work-related tasks.
Equipment & Trim Levels
The Extended Cab Long Box 6.0L 4WD trim typically included standard features such as air conditioning, power windows and locks, a basic audio system, and vinyl upholstery. The Extended Cab configuration provided additional rear seating, although legroom was limited. Optional extras included upgraded audio systems, leather upholstery, power-adjustable seats, a navigation system, and various towing packages. The LT trim level, a step up from the base model, added features like chrome exterior trim, upgraded interior materials, and additional convenience items. The overall interior design was functional and durable, prioritizing practicality over luxury.
Chassis & Braking
The Silverado 3500 HD II utilizes a robust chassis designed to withstand the stresses of heavy-duty use. The front suspension features an independent torsion bar setup with double wishbones, providing a comfortable ride and good handling characteristics. The rear suspension employs a traditional leaf spring design, offering excellent load-carrying capacity. Braking duties are handled by ventilated disc brakes on all four wheels, providing ample stopping power. An anti-lock braking system (ABS) is standard, enhancing safety and control. The truck’s wide track and long wheelbase contribute to its stability, especially when towing.
Market Reception & Comparison
The 2011-2014 Chevrolet Silverado 3500 HD II with the 6.0-liter V8 and automatic transmission was generally well-received by critics and consumers. It was praised for its strong towing and hauling capabilities, comfortable ride, and relatively affordable price point. However, its fuel economy was a common criticism, particularly compared to the available diesel engines. The diesel variants offered significantly more torque and better fuel efficiency, making them the preferred choice for buyers who frequently engaged in heavy towing. Compared to competitors like the Ford Super Duty and Ram Heavy Duty, the Silverado 3500 HD II offered a competitive combination of features, performance, and value.
Legacy
The Vortec L96 6.0-liter V8 engine has proven to be a reliable and durable powerplant, and examples of the 2011-2014 Silverado 3500 HD II continue to be found on the used car market today. While not as fuel-efficient as newer trucks, these models offer a compelling value proposition for buyers seeking a capable and affordable heavy-duty pickup. Regular maintenance, including oil changes and fluid checks, is crucial for ensuring the long-term reliability of this powertrain. The Hydra-Matic transmission is also generally reliable, but may require servicing at higher mileage. Overall, the Silverado 3500 HD II with the 6.0-liter V8 remains a popular choice for those who need a workhorse truck that can handle demanding tasks.
