The Chevrolet Silverado 1500 IV Regular Cab Long Box, equipped with the 5.3 EcoTec3 V8 engine and a 4WD automatic transmission, represents a significant iteration in Chevrolet’s long-standing full-size pickup truck lineage. Produced from 2018 to 2021, this configuration occupied a sweet spot in the Silverado lineup, offering a balance of capability, comfort, and affordability. It was positioned as a workhorse for those needing substantial towing and hauling capacity, but without the premium price tag of the higher trim levels or the diesel engine options. This variant was a mainstay for both personal and commercial use across the United States and Canada, capitalizing on the enduring popularity of the full-size pickup segment.
Technical Specifications
| Brand | Chevrolet |
| Model | Silverado 1500 |
| Generation | Silverado 1500 IV Regular Cab Long Box |
| Type (Engine) | 5.3 EcoTec3 V8 (355 Hp) 4WD Automatic |
| Start of production | 2018 |
| End of production | 2021 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Pick-up |
| Seats | 3 |
| Doors | 2 |
| Fuel consumption (urban) | 16.8 l/100 km (14 US mpg) |
| Fuel consumption (extra urban) | 11.8 l/100 km (19.9 US mpg) |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 6 kg/Hp |
| Weight-to-torque ratio | 4.1 kg/Nm |
| Power | 355 Hp @ 5600 rpm |
| Torque | 519 Nm @ 4100 rpm (382.79 lb.-ft. @ 4100 rpm) |
| Maximum engine speed | 6000 rpm |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | L82 |
| Engine displacement | 5328 cm3 (325.13 cu. in.) |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 96 mm (3.78 in.) |
| Piston Stroke | 92 mm (3.62 in.) |
| Compression ratio | 11.1:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Direct injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | OHV, VVT DI |
| Engine oil capacity | 7.6 l (8.03 US qt | 6.69 UK qt) |
| Coolant capacity | 12.8 l (13.53 US qt | 11.26 UK qt) |
| Kerb Weight | 2125 kg (4684.82 lbs.) |
| Max. weight | 3130 kg (6900.47 lbs.) |
| Max load | 1005 kg (2215.65 lbs.) |
| Trunk (boot) space – maximum | 2523 l (89.1 cu. ft.) |
| Fuel tank capacity | 107 l (28.27 US gal | 23.54 UK gal) |
| Permitted trailer load with brakes (12%) | 4490 kg (9898.76 lbs.) |
| Length | 5829 mm (229.49 in.) |
| Width including mirrors | 2063 mm (81.22 in.) |
| Height | 1921 mm (75.63 in.) |
| Wheelbase | 3545 mm (139.57 in.) |
| Ride height (ground clearance) | 209 mm (8.23 in.) |
| Drivetrain Architecture | All wheel drive (4×4) |
| Number of gears and type of gearbox | 6 gears, automatic transmission Hydra-Matic |
| Front suspension | Independent coil spring |
| Rear suspension | Rigid axle suspension, Leaf spring |
| Front brakes | Ventilated discs, 345 mm |
| Rear brakes | Ventilated discs, 360 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 255/70 R17; 265/70 R17; 265/65 R18 |
| Wheel rims size | 8J x 17; 8.5J x 18 |
Powertrain & Engine Architecture
At the heart of this Silverado variant lies the 5.3-liter L82 EcoTec3 V8 engine. This engine is a member of GM’s small-block V8 family, known for its durability and relatively simple design. The “EcoTec3” designation refers to a suite of technologies aimed at improving fuel efficiency and performance. Key features include direct fuel injection, variable valve timing (VVT), and cylinder deactivation. The direct injection system precisely meters fuel into the combustion chambers, enhancing combustion efficiency and power output. Cylinder deactivation allows the engine to operate on four cylinders during light-load conditions, further improving fuel economy. The Hydra-Matic 6L80 six-speed automatic transmission was the standard pairing for this engine. This transmission is known for its smooth shifting and reliability, offering a good balance between performance and efficiency. The transmission’s gear ratios were optimized for both towing and everyday driving.
Driving Characteristics
The 5.3L V8 with the 6-speed automatic provided a comfortable and capable driving experience. While not as quick as the 6.2L V8 or the diesel options, it delivered ample power for most tasks. Acceleration from a standstill was adequate, and the engine provided strong mid-range torque for passing and merging onto highways. The automatic transmission shifted smoothly and predictably, although it could sometimes feel hesitant when downshifting for quick acceleration. The 4WD system provided excellent traction in various conditions, making it suitable for both on-road and off-road use. The long box configuration offered a generous cargo bed, but it also resulted in a longer wheelbase, which could make maneuvering in tight spaces more challenging.
Equipment & Trim Levels
The Silverado 1500 IV Regular Cab Long Box with the 5.3L V8 typically came standard with features like air conditioning, power windows and locks, a basic infotainment system with a touchscreen display, and a rearview camera. Higher trim levels, such as the LT and RST, added features like leather upholstery, heated seats, a premium sound system, and advanced safety technologies. Optional extras included a trailer brake controller, a navigation system, and various appearance packages.
Chassis & Braking
The Silverado 1500 IV utilized a body-on-frame construction, providing a robust and durable platform. The front suspension featured independent coil springs, while the rear suspension employed a traditional leaf spring setup. This configuration offered a good balance between ride comfort and load-carrying capacity. The braking system consisted of 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.
Market Reception & Comparison
The 5.3L V8/4WD automatic combination was a popular choice among Silverado buyers. Critics praised its balance of power, fuel efficiency, and capability. Compared to the smaller 4.3L V6 engine, the 5.3L offered significantly more power and towing capacity. However, it was less fuel-efficient than the 4.3L. Compared to the 6.2L V8, the 5.3L offered a more affordable price point, but it lacked the same level of performance. The diesel options provided even greater towing capacity and fuel economy, but they came with a substantial price premium.
Legacy
The L82 5.3L EcoTec3 V8 has proven to be a reliable and durable engine. While some owners have reported issues with oil consumption, these are generally not widespread. The 6L80 transmission is also known for its longevity. As a result, these Silverado variants hold their value relatively well in the used car market. They remain a popular choice for those seeking a capable and affordable full-size pickup truck.


