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 dually configurations. This model was primarily targeted towards owners needing serious work capabilities – farmers, contractors, and those regularly towing large trailers – but who didn’t necessarily require the maximum capacity of a dual-rear-wheel setup.
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 DRW 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 | 8.8 kg/Hp, 113.9 Hp/tonne |
| Weight-to-torque ratio | 6.1 kg/Nm, 163 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 | 3160 kg, 6966.61 lbs. |
| Max. weight | 5897 kg, 13000.66 lbs. |
| Max load | 2737 kg, 6034.05 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%) | 6078 kg, 13399.7 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 | 1906 mm, 75.04 in. |
| Ride height (ground clearance) | 213 mm, 8.39 in. |
| Minimum turning circle (turning diameter) | 16.1 m, 52.82 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 engine employs an overhead valve (OHV) valvetrain with variable valve timing (VVT) on the intake side, enhancing low-end torque and improving fuel economy. The Hydra-Matic 6L80E six-speed automatic transmission was the standard pairing for this engine. This transmission is known for its smooth shifting and ability to handle the high torque output of the L96. The 6L80E features electronically controlled shifting and overdrive, contributing to both performance and fuel efficiency.
Driving Characteristics
The 360 horsepower and 380 lb-ft of torque produced by the L96 engine, coupled with the six-speed automatic, provided a capable, though not particularly sporty, driving experience. Acceleration was adequate for everyday driving and hauling loads, but it wasn’t designed for quick sprints. The automatic transmission’s gear ratios were optimized for towing and hauling, prioritizing low-end grunt over rapid acceleration. Compared to the available Duramax diesel engine, the L96 offered significantly less torque, making it less ideal for extremely heavy loads. However, it was quieter and less expensive to maintain than the diesel option. The 4WD system provided enhanced traction in challenging conditions, making it suitable for both work and recreational use.
Equipment & Trim Levels
The Silverado 3500 HD II in this configuration typically came standard with features like air conditioning, power windows and locks, and a basic audio system. The Extended Cab provided additional rear seating, though legroom was limited. Higher trim levels, such as the LT and LTZ, added features like leather upholstery, heated seats, a premium audio system, and navigation. Optional extras included a trailer brake controller, a backup camera, and various towing packages. The interior design was functional and durable, prioritizing practicality over luxury.
Chassis & Braking
The Silverado 3500 HD II featured a heavy-duty chassis designed to withstand the stresses of hauling and towing. The front suspension utilized an independent torsion bar setup with double wishbones, providing a comfortable ride. The rear suspension employed a traditional leaf spring design, offering robust load-carrying capacity. Braking duties were handled by ventilated disc brakes on all four wheels, providing ample stopping power. An anti-lock braking system (ABS) was standard, enhancing safety. The truck’s robust frame and suspension components contributed to its overall stability and durability.
Market Reception & Comparison
Critics generally praised the Silverado 3500 HD II for its robust construction, capable powertrain, and comfortable ride. However, the 6.0-liter V8 engine was often seen as a compromise compared to the more powerful and fuel-efficient Duramax diesel engine. Fuel economy was typical for a heavy-duty pickup truck, averaging around 14-16 mpg in mixed driving. Reliability was generally good, though some owners reported issues with the automatic transmission and fuel pump. Compared to competitors like the Ford Super Duty and Ram Heavy Duty, the Silverado 3500 HD II offered a competitive combination of capability, comfort, and value.
Legacy
The Chevrolet Silverado 3500 HD II with the 6.0-liter V8 and automatic transmission remains a popular choice in the used truck market. The L96 engine is known for its durability and relatively low maintenance costs. While not as desirable as the diesel-powered models, these trucks offer a capable and affordable option for those needing a heavy-duty pickup. Parts availability is excellent, and the truck’s simple design makes it relatively easy to repair. These trucks continue to be used for a variety of tasks, from hauling trailers to performing heavy-duty work on farms and construction sites.


