The Chevrolet Silverado 2500 HD II, specifically the Regular Cab Long Box configuration with the 6.0-liter V8 engine and four-wheel drive, represents a significant iteration in Chevrolet’s heavy-duty truck lineage. Produced from 2007 to 2010 (GMT900 platform), this variant was aimed at buyers needing substantial towing and hauling capacity without the added complexity or cost of higher trim levels. It occupied a crucial position in the Silverado 2500 HD lineup, serving as a workhorse option for commercial users, farmers, and individuals requiring a robust pickup for demanding tasks. This model year marked a substantial redesign for the Silverado HD series, focusing on increased capability and a more refined driving experience compared to its predecessor.
Technical Specifications
| Brand | Chevrolet |
| Model | Silverado 2500 HD |
| Generation | Silverado 2500 HD II (GMT900) Regular Cab Long Box |
| Type (Engine) | 6.0 V8 (360 Hp) 4WD Automatic |
| Start of production | 2007 |
| End of production | 2010 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Pick-up |
| Seats | 2 |
| Doors | 2 |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 7 kg/Hp, 142.9 Hp/tonne |
| Weight-to-torque ratio | 4.9 kg/Nm, 204.4 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 | 2520 kg, 5555.65 lbs. |
| Max. weight | 4173 kg, 9199.89 lbs. |
| Max load | 1653 kg, 3644.24 lbs. |
| Trunk (boot) space – maximum | 2138 l, 75.5 cu. ft. |
| Fuel tank capacity | 129 l, 34.08 US gal | 28.38 UK gal |
| Permitted trailer load with brakes (12%) | 5761 kg, 12700.83 lbs. |
| Length | 5708 mm, 224.72 in. |
| Width including mirrors | 2032 mm, 80 in. |
| Height | 1939 mm, 76.34 in. |
| Wheelbase | 3378 mm, 132.99 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) | 13.8 m, 45.28 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, 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 |
Powertrain & Engine Architecture
The heart of this Silverado 2500 HD 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 reliable performance. The LY6 features a cast iron block and aluminum cylinder heads, contributing to its durability. It utilizes a multi-port fuel injection system for precise fuel delivery and is equipped with an overhead valve (OHV) valvetrain. The engine produces 360 horsepower at 5400 rpm and 515 Nm (379.84 lb-ft) of torque at 4200 rpm. This torque output is particularly important for heavy-duty applications, providing ample pulling power. The engine is mated to a six-speed Hydra-Matic automatic transmission, designed to handle the substantial torque and provide smooth shifting. This transmission was a significant upgrade over previous generations, offering improved efficiency and drivability.
Driving Characteristics
The 6.0-liter V8 and six-speed automatic combination delivers a capable, though not particularly sporty, driving experience. The emphasis is on usability and strength. Acceleration is adequate for everyday driving, but the truck’s weight is noticeable. The automatic transmission is well-tuned for towing, holding gears effectively when under load. Compared to the available Duramax diesel engine, the 6.0L V8 offers less torque and fuel efficiency, but it is significantly less expensive to purchase and maintain. The gear ratios are optimized for pulling, with a lower first gear for launching heavy loads. The 4WD system provides enhanced traction in challenging conditions, making it suitable for both on-road and off-road use.
Equipment & Trim Levels
The Regular Cab Long Box 6.0L 4WD Silverado 2500 HD typically came with a relatively basic level of equipment, reflecting its positioning as a work-oriented truck. Standard features included air conditioning, a basic audio system, and vinyl upholstery. Options included power windows and locks, cruise control, and an upgraded audio system. The interior was functional and durable, designed to withstand heavy use. The Long Box configuration provided a substantial cargo bed, ideal for hauling large items. The exterior typically featured black plastic trim and steel wheels, although chrome packages were available as options.
Chassis & Braking
The Silverado 2500 HD II utilizes a robust chassis designed to handle heavy loads. The front suspension features an independent torsion bar setup with double wishbones, providing a comfortable ride and good handling. The rear suspension employs a traditional leaf spring setup, known for its durability and 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 during emergency braking situations. The truck’s wide track and long wheelbase contribute to its stability, especially when towing.
Market Reception & Comparison
The Silverado 2500 HD II with the 6.0-liter V8 engine was generally well-received by critics and buyers alike. It was praised for its strong towing capacity, durable construction, and relatively affordable price. However, it was often criticized for its fuel economy, which was significantly lower than that of the Duramax diesel option. Compared to the diesel, the 6.0L V8 was seen as a more accessible option for buyers who didn’t require the ultimate in towing performance or fuel efficiency. It offered a good balance of capability and cost, making it a popular choice for commercial users and individuals who needed a reliable work truck.
Legacy
The Vortec LY6 6.0-liter V8 engine has proven to be a remarkably durable and reliable powertrain. Many examples of the 2007-2010 Silverado 2500 HD with this engine are still in service today, often with high mileage. While maintenance costs can increase with age, the engine is generally considered to be relatively easy to repair. On the used car market, these trucks remain popular due to their affordability and capability. They represent a solid value for buyers seeking a robust and dependable heavy-duty pickup. The GMT900 platform laid the groundwork for future Silverado HD models, establishing a reputation for strength and reliability that continues to this day.

