The Chevrolet Silverado 1500 IV Crew Cab Standard Box, equipped with the 5.3 EcoTec3 V8 engine and a 4WD automatic transmission, 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 value. It falls within the fourth generation of the Silverado (introduced in 2016), known internally as the K2XX platform. This generation marked a shift towards increased use of high-strength steel in the body construction, resulting in a lighter, yet stronger, truck compared to its predecessor.
Technical Specifications
| Brand | Chevrolet |
| Model | Silverado 1500 |
| Generation | Silverado 1500 IV Crew Cab Standard 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 | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 15.7 l/100 km (15 US mpg, 18 UK mpg) |
| Fuel consumption (extra urban) | 11.8 l/100 km (19.9 US mpg, 23.9 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) |
| Maximum engine speed | 6000 rpm |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | L82 |
| 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 | 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%) | 4309 kg (9499.72 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 | 6 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 4WD automatic transmission was a mainstay of Chevrolet’s sales volume. Positioned as a mid-range offering, it catered to buyers needing a versatile truck for both work and family duties. The Crew Cab configuration provided ample passenger space, while the standard box offered a practical cargo bed length. This particular combination aimed to deliver a balance between fuel efficiency (for a full-size truck), towing capacity, and everyday usability. It competed directly with similar offerings from Ford (F-150), Ram (1500), and GMC (Sierra).
Powertrain & Engine Architecture
At the heart of this Silverado variant lies the 5.3-liter EcoTec3 V8 engine, designated as the L82. This engine is a naturally aspirated, direct-injected powerplant featuring Active Fuel Management (cylinder deactivation) to improve fuel economy during light-load driving. The direct injection system, combined with a variable valve timing (VVT) system, optimizes combustion efficiency and power delivery. The engine produces 355 horsepower at 5600 rpm and 383 lb-ft of torque at 4100 rpm. The Hydra-Matic 6L80 six-speed automatic transmission is paired with the engine. This transmission is known for its durability and smooth shifting characteristics. It features electronically controlled shifting and overdrive for highway cruising. The 4WD system is a traditional part-time system, allowing the driver to switch between two-wheel drive and four-wheel drive modes as needed.
Driving Characteristics
The Silverado 1500 5.3L automatic delivers a comfortable and capable driving experience. While not as quick as the 6.2L V8 equipped models, the 5.3L provides sufficient power for most everyday tasks, including towing and hauling. The six-speed automatic transmission is well-tuned, offering smooth gear changes and responsive acceleration. The gear ratios are optimized for both low-end torque and highway cruising. Compared to the manual transmission options, the automatic prioritizes convenience and ease of use. The 4WD system provides enhanced traction in slippery conditions, making it suitable for off-road use and inclement weather. However, the overall driving experience is geared towards comfort and practicality rather than sporty handling.
Equipment & Trim Levels
The Silverado 1500 IV Crew Cab Standard Box 5.3L 4WD was available in various trim levels, including LS, LT, RST, and LTZ. The base LS trim offered essential features such as air conditioning, a basic infotainment system, and cloth upholstery. The LT trim added features like upgraded infotainment, keyless entry, and power windows/locks. The RST trim focused on appearance upgrades, while the LTZ trim offered premium features such as leather upholstery, heated seats, and a Bose audio system. Standard safety features included ABS, stability control, and multiple airbags. Optional extras included a sunroof, navigation system, and advanced driver-assistance systems like lane departure warning and forward collision alert.
Chassis & Braking
The Silverado 1500 IV utilizes a fully boxed frame constructed from high-strength steel, contributing to its rigidity and durability. The front suspension features independent coil springs, providing a comfortable ride. The rear suspension employs a traditional leaf spring setup, optimized for load-carrying capacity. The braking system consists of ventilated disc brakes on all four wheels, providing adequate stopping power. The front brakes measure 330x30mm, while the rear brakes are 345x20mm. ABS (Anti-lock Braking System) is standard, enhancing braking performance in emergency situations.
Market Reception & Comparison
The Silverado 1500 5.3L automatic received generally positive reviews from automotive critics. It was praised for its comfortable ride, spacious interior, and capable powertrain. Fuel economy was considered acceptable for a full-size truck, although it lagged behind some competitors. Compared to the 5.3L models with a manual transmission, the automatic offered greater convenience and ease of use, but slightly reduced fuel efficiency. The 6.2L V8 models provided significantly more power but came at a higher price point. The 2.7L Turbo and diesel options offered better fuel economy but less overall capability. Reliability reports generally indicated good long-term durability for the 5.3L EcoTec3 engine and 6L80 transmission.
Legacy
The 5.3L EcoTec3 V8 and 6L80 automatic transmission combination has proven to be a reliable and durable powertrain. These trucks continue to be popular on the used car market, offering a good balance of capability, comfort, and value. While newer Silverado models have introduced more advanced technologies and features, the 2018-2021 generation remains a solid choice for buyers seeking a dependable full-size pickup truck. Common maintenance items include regular oil changes, transmission fluid flushes, and spark plug replacements. The cylinder deactivation system can sometimes experience issues, but these are typically addressed with software updates or component replacements.
