Technical Specifications
| Brand | GMC |
| Model | Sierra 3500HD |
| Generation | Sierra 3500HD III (GMT900, facelift 2011) Crew Cab Standard Box |
| Type (Engine) | 6.0 V8 (360 Hp) 4WD SRW Automatic |
| Start of production | 2011 |
| End of production | 2013 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Pick-up |
| Seats | 5 |
| Doors | 4 |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 8.3 kg/Hp, 120.1 Hp/tonne |
| Weight-to-torque ratio | 5.8 kg/Nm, 171.8 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 | 2998 kg, 6609.46 lbs. |
| Max. weight | 4899 kg, 10800.45 lbs. |
| Max load | 1901 kg, 4190.99 lbs. |
| Trunk (boot) space – maximum | 1718 l, 60.67 cu. ft. |
| Fuel tank capacity | 136 l, 35.93 US gal | 29.92 UK gal |
| Permitted trailer load with brakes (12%) | 5897 kg, 13000.66 lbs. |
| Length | 6101 mm, 240.2 in. |
| Width including mirrors | 2032 mm, 80 in. |
| Height | 1966 mm, 77.4 in. |
| Wheelbase | 3904 mm, 153.7 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) | 15.4 m, 50.52 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 |
The 2011-2013 GMC Sierra 3500HD Crew Cab, equipped with the 6.0-liter V8 engine and automatic transmission, represented a significant offering in GMC’s heavy-duty truck lineup. Produced as part of the GMT900 platform’s facelift, this variant aimed to balance capability, comfort, and refinement. The Crew Cab configuration provided increased rear-seat space, making it suitable for both work and family use, while the standard box length offered a practical cargo bed. This particular trim level was positioned as a versatile performer, appealing to customers who needed substantial towing and hauling capacity but didn’t necessarily require the diesel engine’s ultimate capabilities.
Powertrain & Engine Architecture
The core of this Sierra 3500HD is the Vortec L96 6.0-liter V8 engine. This engine belongs to GM’s Vortec family, renowned for its durability and dependable performance. The L96 features a cast iron block and aluminum cylinder heads, operating with a 9.6:1 compression ratio and a multi-port fuel injection system. The overhead valve (OHV) valvetrain, enhanced by variable valve timing (VVT), optimizes power delivery and fuel efficiency. The engine generates 360 horsepower at 5400 rpm and 515 lb-ft of torque at 4200 rpm. This power is transferred through a six-speed Hydra-Matic automatic transmission, specifically engineered to manage the V8’s high torque output. The transmission’s gear ratios are calibrated for both towing and everyday driving, providing responsive acceleration and smooth gear changes.
Driving Characteristics
The combination of the 6.0L V8 and automatic transmission delivers a driving experience focused on usability and readily available power. While not as quick as some lighter-duty pickups, the Sierra 3500HD offers ample torque for hauling heavy loads and tackling difficult terrain. The automatic transmission shifts smoothly and predictably, making it easy to drive in various conditions. Compared to the available Duramax diesel engine, the 6.0L V8 provides a quieter and more affordable option, though with reduced towing capacity. In contrast to manual transmission versions, the automatic offers convenience, particularly in stop-and-go traffic, but may result in a slight decrease in fuel economy. The 4WD system enhances traction in slippery conditions, making it a capable performer in adverse weather.
Equipment & Trim Levels
The 2011-2013 Sierra 3500HD Crew Cab with this powertrain typically included standard features like air conditioning, power windows and locks, a tilt steering wheel, and a basic audio system. The Crew Cab configuration offered generous rear-seat legroom and a comfortable interior environment. Optional extras included leather upholstery, heated seats, a premium audio system, navigation, and a rear vision camera. Higher trim levels often added features such as chrome exterior accents, upgraded interior materials, and additional convenience amenities.
Chassis & Braking
The Sierra 3500HD boasts a robust chassis designed to handle substantial loads. The front suspension utilizes an independent torsion bar and double wishbone setup, providing a comfortable ride and good handling characteristics. The rear suspension employs a traditional leaf spring design, offering excellent load-carrying capacity. Braking is provided by ventilated disc brakes on all four wheels, delivering ample stopping power. An Anti-lock Braking System (ABS) is standard, enhancing safety and control during emergency braking. The truck’s heavy-duty construction and well-tuned suspension contribute to its stable and confident handling.
Market Reception & Comparison
The GMC Sierra 3500HD with the 6.0L V8 and automatic transmission was generally well-received by both critics and consumers. It was praised for its strong engine, comfortable ride, and spacious interior. However, some reviewers pointed out that fuel economy wasn’t particularly impressive, especially when compared to diesel-powered alternatives. Compared to the Duramax diesel, the 6.0L V8 offered a lower initial cost and simpler maintenance, making it an appealing choice for buyers who didn’t require the diesel’s maximum towing capacity. The automatic transmission was generally considered a good match for the engine, providing smooth and convenient operation.
Legacy
The Vortec L96 6.0L V8 engine has proven to be a durable and reliable powerplant. While some years experienced concerns with the Active Fuel Management system, the engine is generally considered well-engineered and capable of providing many years of service with proper maintenance. Today, used examples of the 2011-2013 Sierra 3500HD with this powertrain are readily available and often represent a good value for buyers seeking a capable and affordable heavy-duty truck. The combination of a powerful V8 engine, comfortable Crew Cab configuration, and robust construction makes this variant a popular choice in the used truck market.
