2007-2010 Chevrolet Silverado 2500 HD II (GMT900) Crew Cab Standard Box 6.0 V8 (360 Hp) 4WD Automatic

The Chevrolet Silverado 2500 HD II (GMT900) Crew Cab Standard Box, equipped with the 6.0-liter V8 engine producing 360 horsepower and paired with a four-speed automatic transmission and four-wheel drive, was a prominent offering in Chevrolet’s heavy-duty pickup truck lineup from 2007 to 2010. This variant represented a sweet spot for many buyers seeking a capable work truck with the added space and comfort of a crew cab, without the expense of the diesel options. It was positioned as a mid-to-upper tier trim within the 2500HD range, offering a balance between capability, features, and price.

Technical Specifications

INTRODUCTION

The GMT900 generation of the Chevrolet Silverado 2500HD and 3500HD, launched in 2006 as a 2007 model, represented a significant overhaul of Chevrolet’s heavy-duty truck offerings. The 6.0-liter V8 with the 4L80-E four-speed automatic transmission and four-wheel drive was a popular configuration, particularly for buyers who didn’t require the higher towing capacity of the Duramax diesel engine. This combination offered a balance of power, capability, and affordability, making it a common sight on job sites and as a family hauler. The Crew Cab configuration, with its four full-size doors and spacious rear seating, further enhanced the truck’s appeal for those needing passenger capacity alongside its work-ready capabilities.

Powertrain & Engine Architecture

At the heart of this Silverado 2500HD variant lies the Vortec LY6 6.0-liter (364 cubic inch) V8 engine. This engine is a member of Chevrolet’s Vortec family, known for its robust construction and relatively simple design. The LY6 features a cast iron block and aluminum cylinder heads, utilizing a 9.6:1 compression ratio and a two-valve-per-cylinder overhead valve (OHV) valvetrain. Fuel delivery is managed by a multi-port fuel injection system, providing precise fuel metering for optimal performance and efficiency. The engine produces 360 horsepower at 5400 rpm and 515 lb-ft of torque at 4200 rpm. The 4L80-E four-speed automatic transmission is a heavy-duty unit designed to handle the substantial torque output of the 6.0L V8. It’s known for its durability and relatively smooth shifting, although it lacks the efficiency of more modern transmissions with higher gear counts.

Driving Characteristics

The 6.0L V8 and 4L80-E combination delivers adequate, though not exhilarating, performance. Acceleration is respectable for a heavy-duty truck, but it’s not designed for quick sprints. The 4L80-E’s gear ratios are optimized for towing and hauling, meaning the truck feels most comfortable at lower to mid-range speeds. Compared to the 6.6L Duramax diesel, the 6.0L lacks the low-end grunt and overall pulling power. However, it offers a smoother, quieter driving experience and significantly lower maintenance costs. Compared to the 5.3L V8 offered in the lighter-duty Silverado 1500, the 6.0L provides a noticeable increase in power and towing capacity, making it a more suitable choice for demanding tasks. The four-wheel drive system provides enhanced traction in various conditions, making it capable in snow, mud, and gravel.

Equipment & Trim Levels

The Silverado 2500HD II Crew Cab Standard Box 6.0L 4WD typically came standard with features like air conditioning, power windows and locks, a CD player, and cloth upholstery. The “Standard Box” designation refers to the bed length, offering a practical balance between cargo space and maneuverability. Optional extras included leather upholstery, a premium sound system, a navigation system, power-adjustable seats, and various towing packages. Trim levels varied, with the LT being a popular choice, adding features like chrome exterior trim, upgraded interior materials, and additional convenience items.

Chassis & Braking

The Silverado 2500HD utilizes a body-on-frame construction, providing a robust and durable platform. The front suspension consists of an independent torsion bar setup with double wishbones, while the rear suspension employs a traditional leaf spring design. This configuration is designed to handle heavy loads and provide a comfortable ride, although it can feel somewhat stiff when unloaded. Braking duties are handled by ventilated disc brakes on all four wheels, with ABS (Anti-lock Braking System) as standard equipment. The front brakes measure 325x38mm, while the rear brakes are 325x30mm. The steering system is a cone worm with recirculation balls, providing a solid and predictable feel.

Market Reception & Comparison

The 6.0L V8-powered Silverado 2500HD was generally well-received by critics and consumers alike. It was praised for its strong engine, comfortable ride (for a heavy-duty truck), and spacious interior. However, some reviewers noted the four-speed automatic transmission felt dated compared to newer transmissions with more gears. Fuel economy was typical for a vehicle of this size and capability, averaging around 14-16 mpg in combined driving. Compared to the diesel-powered Silverado, the 6.0L offered a lower purchase price and simpler maintenance, but lacked the diesel’s superior towing capacity and fuel efficiency.

Legacy

The Vortec LY6 6.0L V8 has proven to be a relatively reliable engine, with many examples exceeding 200,000 miles with proper maintenance. The 4L80-E transmission is also known for its durability. On the used car market today, these Silverado 2500HDs represent a good value for buyers seeking a capable and affordable heavy-duty truck. However, potential buyers should be aware of potential issues such as oil leaks, corrosion, and wear and tear on suspension components. Overall, the Silverado 2500HD II (GMT900) Crew Cab Standard Box 6.0 V8 4WD remains a popular and capable truck, offering a blend of power, comfort, and affordability that continues to appeal to a wide range of buyers.