The Chevrolet Silverado 2500 HD II, specifically the Crew Cab Standard Box configuration with the 6.0-liter V8 engine and automatic transmission, represents a significant iteration in Chevrolet’s heavy-duty truck lineage. Produced from 2007 through 2010 as part of the GMT900 generation, this variant aimed to provide a balance of capability, comfort, and convenience for owners needing a robust work truck with passenger space. It occupied a middle ground within the 2500HD lineup, offering more power and towing capacity than the base models, but remaining more accessible than the diesel-powered options.
Technical Specifications
| Brand | Chevrolet |
| Model | Silverado 2500 HD |
| Generation | Silverado 2500 HD II (GMT900) Crew Cab Standard Box |
| Type (Engine) | 6.0 V8 (360 Hp) Automatic |
| Start of production | 2007 |
| End of production | 2010 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Pick-up |
| Seats | 5 |
| Doors | 4 |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 7.2 kg/Hp, 138.8 Hp/tonne |
| Weight-to-torque ratio | 5 kg/Nm, 198.5 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 LY6 |
| 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 |
| 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 | 2594 kg, 5718.79 lbs |
| Max. weight | 4173 kg, 9199.89 lbs |
| Max load | 1579 kg, 3481.1 lbs |
| Trunk (boot) space – maximum | 1718 l, 60.67 cu. ft |
| Permitted trailer load with brakes (12%) | 5670 kg, 12500.21 lbs |
| Length | 6094 mm, 239.92 in |
| Width including mirrors | 2032 mm, 80 in |
| Height | 1958 mm, 77.09 in |
| Wheelbase | 3886 mm, 152.99 in |
| Front track | 1744 mm, 68.66 in |
| Rear (Back) track | 1676 mm, 65.98 in |
| Ride height (ground clearance) | 243 mm, 9.57 in |
| Minimum turning circle (turning diameter) | 15.6 m, 51.18 ft |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
| Drive wheel | Rear wheel drive |
| 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, 325×38 mm |
| Rear brakes | Ventilated discs, 325×30 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Cone worm with recirculation balls |
| Tires size | 245/75 R16; 265/75 R17 |
| Wheel rims size | 6.5J x 16; 7.5J x 17 |
The 2007-2010 Chevrolet Silverado 2500 HD II, built on the GMT900 platform, represented a substantial redesign for Chevrolet’s heavy-duty truck line. The Crew Cab configuration offered increased interior space, making it suitable for both work and family use. The 6.0-liter Vortec LY6 V8 engine paired with the 6-speed Hydra-Matic automatic transmission was a popular choice, providing a balance between power, fuel economy, and affordability. This combination aimed to appeal to buyers who needed a capable truck without the higher cost and complexity of the Duramax diesel option.
Powertrain & Engine Architecture
The heart of this Silverado variant is the Vortec LY6 6.0-liter V8 engine. This engine is a member of Chevrolet’s Vortec family, known for its robust construction and relatively simple design. It features a cast iron block and aluminum cylinder heads. The LY6 utilizes a multi-port fuel injection system, delivering fuel directly to each cylinder for efficient combustion. The overhead valve (OHV) valvetrain, while traditional, proved reliable and contributed to the engine’s longevity. The 6-speed Hydra-Matic automatic transmission (4L80-E) was specifically chosen for its durability and ability to handle the engine’s torque output. This transmission featured electronically controlled shifting for smoother operation and optimized gear selection. The transmission’s gear ratios were tuned to provide a balance of acceleration and towing capability.
Driving Characteristics
The Silverado 2500 HD II with the 6.0L V8 and automatic transmission delivered a driving experience focused on capability rather than outright speed. Acceleration was adequate for everyday driving, but the truck’s substantial weight limited its responsiveness. The automatic transmission shifted smoothly, but could sometimes feel hesitant when downshifting for passing maneuvers. Compared to the manual transmission versions, the automatic offered greater convenience, especially in stop-and-go traffic. However, it did result in a slight reduction in fuel economy and a less direct connection to the engine. When compared to the diesel-powered Silverado 2500HD, the 6.0L V8 offered less torque, impacting its maximum towing capacity and ability to handle heavy loads. However, the gasoline engine was quieter and less expensive to maintain.
Equipment & Trim Levels
The Silverado 2500 HD II Crew Cab Standard Box 6.0L Automatic typically came standard with features such as air conditioning, power windows and locks, and a basic audio system. The interior upholstery was typically cloth, although leather options were available. Higher trim levels, such as the LT and LTZ, added features like heated seats, a premium audio system, and chrome exterior accents. Optional extras included a navigation system, a sunroof, and various towing packages. The standard dashboard configuration featured analog gauges and a user-friendly layout. The Crew Cab configuration provided ample space for five passengers, making it a comfortable option for families or crews.
Chassis & Braking
The Silverado 2500 HD II featured a robust chassis designed to handle heavy loads. The front suspension utilized an independent torsion bar and double wishbone setup, providing a comfortable ride and good handling. The rear suspension employed a traditional leaf spring design, offering excellent 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 and control during emergency braking situations. The truck’s heavy weight and high center of gravity meant that handling was not as nimble as lighter vehicles, but the suspension system did a good job of minimizing body roll.
Market Reception & Comparison
Critics generally praised the Silverado 2500 HD II for its robust construction, comfortable interior, and capable powertrain. The 6.0-liter V8 engine was considered a good compromise between power and fuel economy, although it did not offer the same level of performance as the Duramax diesel. Fuel economy was typical for a heavy-duty truck, averaging around 14-16 mpg in mixed driving. Reliability was generally good, although some owners reported issues with the automatic transmission and fuel pump. Compared to the Ford Super Duty and Ram 2500, the Silverado 2500 HD II offered a competitive combination of features, performance, and price.
Legacy
The Chevrolet Silverado 2500 HD II with the 6.0-liter V8 and automatic transmission remains a popular choice in the used truck market today. The Vortec LY6 engine is known for its durability and relatively low maintenance costs. While not as fuel-efficient as newer trucks, it offers a reliable and capable powertrain for those needing a heavy-duty work truck. These trucks are often sought after by owners who prioritize simplicity and affordability over the complexity of modern diesel engines. With proper maintenance, these Silverado 2500 HD II models can provide many years of reliable service.
