The Chevrolet Silverado 1500 IV Crew Cab Standard Box, equipped with the 5.3 EcoTec3 V8 engine and an 8-speed automatic transmission with four-wheel drive, represents a significant iteration in Chevrolet’s long-running full-size pickup truck lineage. Produced from 2018 to 2021, this variant occupied a sweet spot in the Silverado lineup, offering a balance of capability, comfort, and technology aimed at both personal and professional use. It falls within the fourth generation of the Silverado (introduced in 2016), known internally as the K2XX platform, which brought advancements in materials science and manufacturing techniques to improve strength and reduce weight.
Technical Specifications
| Brand | Chevrolet |
| Model | Silverado 1500 |
| Generation | Silverado 1500 IV Crew Cab Standard Box |
| Type (Engine) | 5.3 EcoTec3 V8 (355 Hp) 4WD 8 Automatic |
| Start of production | 2018 |
| End of production | 2021 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Pick-up |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 14.7 l/100 km (16 US mpg, 19.2 UK mpg) |
| Fuel consumption (extra urban) | 10.7 l/100 km (22 US mpg, 26.4 UK mpg) |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 6.4 kg/Hp, 156.9 Hp/tonne |
| Weight-to-torque ratio | 4.4 kg/Nm, 228.9 Nm/tonne |
| Power | 355 Hp @ 5600 rpm |
| Torque | 518 Nm @ 4100 rpm (382.06 lb.-ft. @ 4100 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | L84 |
| 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 |
| 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 | 13.1 l (13.84 US qt | 11.53 UK qt) |
| Kerb Weight | 2263 kg (4989.06 lbs.) |
| Max. weight | 3221 kg (7101.09 lbs.) |
| Max load | 958 kg (2112.03 lbs.) |
| Fuel tank capacity | 91 l (24.04 US gal | 20.02 UK gal) |
| Permitted trailer load with brakes (12%) | 4218 kg (9299.1 lbs.) |
| Length | 6127 mm (241.22 in.) |
| Width including mirrors | 2063 mm (81.22 in.) |
| Height | 1915 mm (75.39 in.) |
| Wheelbase | 3987 mm (156.97 in.) |
| Drivetrain Architecture | All wheel drive (4×4). ICE drives rear wheels, front wheels engaged via clutch. |
| Number of gears and type of gearbox | 8 gears, automatic transmission Hydra-Matic |
| Front suspension | Independent coil spring |
| Rear suspension | Rigid axle suspension, Leaf spring |
| Front brakes | Ventilated discs, 330×30 mm |
| Rear brakes | Ventilated discs, 345×20 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 | 8.0J x 17; 8.5J x 18 |
Introduction
The 2018-2021 Chevrolet Silverado 1500 Crew Cab with the 5.3L EcoTec3 V8 and 8-speed automatic transmission represented a mainstream offering within the Silverado range. Positioned between the base 2.7L turbocharged four-cylinder and the more powerful 6.2L V8, this configuration aimed to provide a balance of fuel efficiency, towing capacity, and everyday usability. The Crew Cab configuration, with its four full-size doors and spacious rear seating, catered to families and those needing passenger space alongside truck functionality. This model year marked a significant refresh for the Silverado, introducing updated styling, enhanced interior materials, and new technology features.
Powertrain & Engine Architecture
At the heart of this Silverado variant lies the L84 5.3-liter EcoTec3 V8 engine. This engine is characterized by its aluminum cylinder heads and block, direct fuel injection, and Active Fuel Management (AFM), also known as cylinder deactivation. AFM allows the engine to shut down four cylinders during light-load driving conditions, improving fuel economy. The engine utilizes a variable valve timing (VVT) system to optimize performance and efficiency across the rev range. The 8-speed Hydra-Matic automatic transmission, a General Motors design, provides smooth and efficient gear changes. This transmission features electronically controlled shifts and a wide gear ratio spread, contributing to both fuel economy and towing capability. The transmission was designed to handle the substantial torque output of the 5.3L V8 while providing a comfortable driving experience.
Driving Characteristics
The Silverado 1500 5.3L automatic delivers a comfortable and capable driving experience. While not as quick as the 6.2L V8 models, the 5.3L provides ample power for everyday driving and towing. The 8-speed transmission is well-tuned, offering smooth shifts and keeping the engine in its optimal power band. The automatic transmission, while convenient, does result in a slightly less engaging driving experience compared to the available 6-speed manual transmission (though the manual was less common). The four-wheel-drive system provides enhanced traction in various conditions, making it suitable for both on-road and off-road use. The ride quality is generally comfortable, thanks to the independent front suspension and leaf-spring rear suspension, though the ride can become somewhat firm when the truck is heavily loaded.
Equipment & Trim Levels
The Silverado 1500 IV offered a range of trim levels, with the 5.3L engine available on most. Standard equipment typically included air conditioning, power windows and locks, a basic infotainment system with a touchscreen display, and a rearview camera. Higher trim levels, such as LT and LTZ, added features like leather upholstery, heated and ventilated front seats, a premium audio system, and advanced safety technologies like lane departure warning and forward collision alert. Optional extras included a sunroof, navigation system, and a trailering package. The interior design was functional and durable, with a focus on providing a comfortable and practical cabin for both work and family use.
Chassis & Braking
The Silverado 1500 IV features a fully boxed frame constructed from high-strength steel, providing a solid foundation for the truck. The front suspension utilizes independent coil springs, while the rear suspension employs a traditional leaf-spring setup. This combination provides a good balance of ride comfort 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 and control during emergency braking situations. Steering is rack-and-pinion with electric power assist, offering precise and responsive handling.
Market Reception & Comparison
The Silverado 1500 5.3L automatic was generally well-received by critics and consumers alike. It was praised for its comfortable ride, spacious cabin, and capable powertrain. Compared to the 2.7L turbo-four, the 5.3L offered significantly more power and towing capacity. However, it wasn’t as fuel-efficient. Compared to the 6.2L V8, the 5.3L provided a more affordable entry point with a reasonable trade-off in performance. Reliability was generally good, though some owners reported issues with the AFM system. Fuel economy figures averaged around 16 mpg city and 22 mpg highway, depending on driving conditions and load.
Legacy
The L84 5.3L EcoTec3 V8, paired with the 8-speed automatic, has proven to be a relatively reliable powertrain. While the AFM system has been known to experience issues in some cases, regular maintenance and oil changes can help mitigate these problems. On the used car market, these Silverado 1500s represent a good value proposition, offering a capable and comfortable full-size truck at a reasonable price. They remain popular choices for those needing a versatile vehicle for work, family, and recreation. The combination of proven mechanicals and readily available parts ensures that these trucks will continue to provide years of reliable service.

