Technical Specifications
| Brand | Chevrolet |
| Model | Silverado 2500 HD |
| Generation | Silverado 2500 HD III (K2XX) Double Cab Long Box |
| Type (Engine) | 6.0 V8 (360 Hp) 4WD Automatic |
| Start of production | 2015 |
| End of production | 2019 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Pick-up |
| Seats | 5 |
| Doors | 4 |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 8.2 kg/Hp, 122.3 Hp/tonne |
| Weight-to-torque ratio | 5.7 kg/Nm, 175 Nm/tonne |
| Power | 360 Hp @ 5400 rpm |
| Power per litre | 60.4 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 | 5965 cm3, 364.01 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 | 16.1 l, 17.01 US qt | 14.17 UK qt |
| Kerb Weight | 2943 kg, 6488.2 lbs. |
| Max. weight | 4309 kg, 9499.72 lbs. |
| Max load | 1366 kg, 3011.51 lbs. |
| Trunk (boot) space – maximum | 2162 l, 76.35 cu. ft. |
| Fuel tank capacity | 136 l, 35.93 US gal | 29.92 UK gal |
| Permitted trailer load with brakes (12%) | 6396 kg, 14100.77 lbs. |
| Length | 6321 mm, 248.86 in. |
| Width including mirrors | 2045 mm, 80.51 in. |
| Height | 1977 mm, 77.83 in. |
| Wheelbase | 4017 mm, 158.15 in. |
| Front track | 1748 mm, 68.82 in. |
| Rear (Back) track | 1709 mm, 67.28 in. |
| Ride height (ground clearance) | 214 mm, 8.43 in. |
| Minimum turning circle (turning diameter) | 16.2 m, 53.15 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, 350×40 mm |
| Rear brakes | Ventilated discs, 360×34 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Cone worm with recirculation balls |
| Tires size | 245/75R17; 265/70R17; 265/70R18; 265/60 R20 |
| Wheel rims size | 7.5J x 17; 8J x 18; 8.5J x 20 |
The Chevrolet Silverado 2500 HD III (K2XX) Double Cab Long Box, equipped with the 6.0-liter V8 engine producing 360 horsepower and paired with a 4WD automatic transmission, was a popular configuration in Chevrolet’s heavy-duty truck lineup from 2015 to 2019. This variant struck a balance for many buyers, offering a capable work truck with a degree of comfort and refinement. Positioned within the K2XX generation, which debuted in 2015, this configuration bridged the gap between the more affordable base models and the higher-trim, diesel-powered options. It catered to owners needing substantial towing and payload capacity without the added cost and complexity of the Duramax diesel engine.
Powertrain & Engine Architecture
The core of this Silverado 2500 HD variant is the Vortec L96 6.0-liter V8 engine. This engine, part of Chevrolet’s well-regarded small-block family, is naturally aspirated and features a three-valve-per-cylinder design. It utilizes a cast iron block for durability and aluminum cylinder heads to reduce weight. The L96 incorporates multi-port fuel injection and variable valve timing (VVT) to optimize both performance and fuel efficiency. The engine generates 360 horsepower at 5400 rpm and 515 lb-ft of torque at 4200 rpm. The standard transmission for this engine was the Hydra-Matic 6L80 six-speed automatic. This transmission is known for its robustness and relatively smooth shifting, though it lacks some of the advanced features found in more modern automatic transmissions. The 6L80 features electronically controlled shifting and an overdrive gear for efficient highway cruising.
Driving Characteristics
The combination of the 6.0L V8 and 6L80 automatic in the Silverado 2500 HD provided a capable, though not particularly sporty, driving experience. While it didn’t offer the rapid acceleration of the diesel-powered models, the gasoline engine delivered sufficient power for everyday driving and towing tasks. The automatic transmission’s gear ratios were optimized for work, prioritizing low-end torque for hauling and towing. Compared to the available manual transmission, the automatic offered greater convenience, especially in congested traffic. However, the automatic did result in a slight decrease in fuel economy and a less direct connection to the engine. The truck felt stable and planted, even when carrying substantial loads, thanks to its strong chassis and four-wheel-drive system.
Equipment & Trim Levels
The 6.0L V8/automatic configuration was offered across several Silverado 2500 HD trim levels, including the WT (Work Truck), LT, and LTZ. The base WT trim was fairly basic, focusing on functionality with features like vinyl upholstery, a simple audio system, and manual climate control. The LT trim added more comfort and convenience features, such as cloth upholstery, an upgraded infotainment system, and power windows and locks. The LTZ trim represented the highest level of luxury, offering leather upholstery, heated and ventilated front seats, a premium audio system, and advanced safety features. Optional extras included a navigation system, a sunroof, and various towing packages tailored to specific needs.
Chassis & Braking
The Silverado 2500 HD III (K2XX) featured a fully boxed frame designed for enhanced rigidity and durability. The front suspension utilized an independent torsion bar setup with double wishbone control arms, while the rear suspension employed a traditional leaf spring design. This suspension configuration provided a comfortable ride, even when the truck was heavily loaded. Braking was handled by ventilated disc brakes on all four wheels, with ABS (Anti-lock Braking System) as standard equipment. The rear brakes were slightly smaller in diameter than the front brakes. The steering system was a conventional cone worm with recirculation balls, providing a solid and predictable feel.
Market Reception & Comparison
The Silverado 2500 HD with the 6.0L V8 and automatic transmission was generally well-received by both automotive critics and consumers. It was praised for its strong towing capacity, comfortable ride quality, and relatively affordable price point. When compared to the diesel-powered Silverado 2500 HD, the gasoline version offered a lower initial cost but suffered from lower fuel economy and reduced torque output. However, for owners who didn’t require the extreme towing capabilities of the diesel, the 6.0L V8 provided a compelling and cost-effective alternative. Reliability was generally good, although some owners reported occasional issues with the active fuel management system, which deactivated cylinders under light load to improve fuel economy.
Legacy
The Vortec L96 6.0L V8 engine and 6L80 transmission pairing proved to be a durable and reliable combination in the Silverado 2500 HD. These trucks continue to be readily available on the used car market, offering a capable and affordable option for buyers seeking a heavy-duty pickup. While not as fuel-efficient as newer trucks with more advanced engine technology, the 6.0L V8 provides ample power for a wide range of tasks. Maintenance is generally straightforward, and parts are readily available, making these trucks a practical choice for owners who prioritize reliability and affordability. The combination remains a popular choice for those seeking a robust and dependable work truck without the complexities and higher costs associated with diesel power.
