The Chevrolet Silverado 1500 IV Regular Cab Long Box, equipped with the 4.3 EcoTec3 V6 engine and a four-wheel drive automatic transmission, was a mainstay of Chevrolet’s full-size pickup truck lineup from 2018 to 2021. This configuration represented a balance between capability and affordability within the fourth generation (2016-2022) of the Silverado 1500 series. Positioned as a work-oriented trim, it catered to buyers needing a robust truck without the premium features of higher-end models. The Regular Cab configuration, combined with the long bed, emphasized practicality and cargo space, making it popular among those prioritizing utility over passenger comfort.
Technical Specifications
| Brand | Chevrolet |
| Model | Silverado 1500 |
| Generation | Silverado 1500 IV Regular Cab Long Box |
| Type (Engine) | 4.3 EcoTec3 V6 (285 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) | 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) |
| Power | 285 Hp @ 5300 rpm |
| Torque | 413 Nm @ 3900 rpm (304.61 lb.-ft. @ 3900 rpm) |
| Maximum engine speed | 5800 rpm |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | LV3 |
| Engine displacement | 4301 cm3 (262.46 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 99.6 mm (3.92 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 | 5.7 l (6.02 US qt | 5.02 UK qt) |
| Coolant capacity | 11.5 l (12.15 US qt | 10.12 UK qt) |
| Max. weight | 3130 kg (6900.47 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). 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, 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
The heart of this Silverado variant is the 4.3L EcoTec3 V6 engine, designated as the LV3. This engine is a naturally aspirated, direct-injected V6 featuring Active Fuel Management (cylinder deactivation) to improve fuel economy. The direct injection system, combined with variable valve timing (VVT), optimizes combustion efficiency and power delivery. The engine produces 285 horsepower at 5300 rpm and 305 lb-ft of torque at 3900 rpm. The Hydra-Matic 6L80 six-speed automatic transmission is paired with the engine, providing smooth shifting and adequate gear ratios for both towing and everyday driving. This transmission is known for its durability and reliability, although it lacks the efficiency of newer eight or ten-speed automatics.
Driving Characteristics
The 4.3L V6 and 6L80 automatic combination delivers adequate performance for typical truck duties. Acceleration is not brisk, but sufficient for merging onto highways and maintaining highway speeds. The automatic transmission is tuned for practicality, prioritizing smooth shifts over aggressive downshifts. Compared to the available 5.3L and 6.2L V8 options, the 4.3L offers significantly less power and towing capacity. However, it provides a more manageable driving experience for those who don’t require heavy-duty capabilities. The 4WD system provides enhanced traction in inclement weather and off-road conditions, but it’s not designed for serious off-roading. The gear ratios are optimized for towing and hauling, resulting in a lower final drive ratio compared to some performance-oriented trucks.
Equipment & Trim Levels
The Silverado 1500 Regular Cab Long Box with the 4.3L engine typically came with a basic but functional set of features. Standard equipment included air conditioning, a basic infotainment system with a touchscreen display, Bluetooth connectivity, and power windows and locks. The interior typically featured vinyl or cloth upholstery. Higher trim levels, such as the LT, added features like upgraded infotainment systems, heated seats, and more refined interior materials. Optional extras included a trailer package, upgraded audio systems, and various convenience features.
Chassis & Braking
The Silverado 1500 IV utilizes a body-on-frame construction, providing a robust and durable platform. The front suspension consists of independent coil springs, while the rear suspension employs a traditional leaf spring setup. This configuration is designed to handle heavy loads and provide a comfortable ride. The braking system features ventilated disc brakes on all four wheels, providing adequate stopping power. An Anti-lock Braking System (ABS) is standard. The rear axle ratio varies depending on the specific configuration, but typically falls within a range suitable for both towing and fuel efficiency.
Market Reception & Comparison
The 4.3L Silverado 1500 was generally well-received as an affordable and capable work truck. Critics noted its adequate power and fuel economy, but also pointed out its lack of refinement compared to higher-end trims. Compared to the 5.3L V8, the 4.3L offered better fuel economy but significantly less power and towing capacity. The 4.3L was often seen as a good choice for buyers who primarily used their trucks for light-duty tasks and didn’t require the extra performance of a V8. Fuel economy figures averaged around 16 mpg city and 20 mpg highway, depending on driving conditions and load.
Legacy
The 4.3L EcoTec3 V6, paired with the 6L80 automatic transmission, has proven to be a relatively reliable powertrain. While not without its minor issues, such as occasional oil leaks and sensor failures, it generally holds up well over time with proper maintenance. In the used car market, these Silverado variants are often sought after by buyers looking for an affordable and dependable truck. Their lower price point and proven reliability make them a popular choice for those needing a workhorse without breaking the bank. The combination of a capable engine, durable transmission, and robust chassis ensures that these trucks continue to provide years of service.
