The GMC Sierra 1500 IV, specifically the Crew Cab Standard Box configuration with the 5.3 EcoTec3 V8 engine and four-wheel drive, represents a significant iteration in GMC’s full-size pickup truck lineage. Produced from 2016 to 2018 as part of the GMTK2XX platform’s facelift, this variant aimed to balance capability, comfort, and efficiency within the highly competitive American truck market. It occupied a middle-ground position in the Sierra 1500 lineup, offering a step up in power and features from the base V6 models, while remaining more accessible than the top-tier trims equipped with the larger 6.2L V8.
Technical Specifications
| Brand | GMC |
| Model | Sierra 1500 |
| Generation | Sierra 1500 IV (GMTK2XX, facelift 2016) Crew Cab Standard Box |
| Type (Engine) | 5.3 EcoTec3 V8 (355/380 Hp) 4WD Automatic FlexFuel |
| Start of production | 2016 |
| End of production | 2018 |
| 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, 6.8 km/l) |
| Fuel consumption (extra urban) | 10.7 l/100 km (22 US mpg, 26.4 UK mpg, 9.3 km/l) |
| Fuel Type | Petrol / Ethanol – E85 |
| Weight-to-power ratio | 7 kg/Hp, 142.7 Hp/tonne |
| Weight-to-torque ratio | 4.8 kg/Nm, 208.7 Nm/tonne |
| Power | 355 Hp @ 5600 rpm |
| Power per litre | 66.6 Hp/l |
| Power (Ethanol – E85) | 380 Hp @ 5600 rpm |
| Power per litre (Ethanol – E85) | 71.3 Hp/l |
| Torque | 519 Nm @ 4100 rpm (382.79 lb.-ft. @ 4100 rpm) |
| Torque (Ethanol – E85) | 564 Nm @ 4100 rpm |
| Maximum engine speed | 5800 rpm |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | L83 |
| 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 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Direct injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | OHV |
| Engine oil capacity | 8 l (8.45 US qt | 7.04 UK qt) |
| Coolant | 14.8 l (15.64 US qt | 13.02 UK qt) |
| Kerb Weight | 2487 kg (5482.9 lbs.) |
| Max. weight | 3266 kg (7200.3 lbs.) |
| Max load | 779 kg (1717.4 lbs.) |
| Trunk (boot) space – minimum | 1728 l (61.02 cu. ft.) |
| Fuel tank capacity | 98 l (25.89 US gal | 21.56 UK gal) |
| Permitted trailer load with brakes (12%) | 2767 kg (6100.19 lbs.) |
| Length | 6067 mm (238.86 in.) |
| Width including mirrors | 2032 mm (80 in.) |
| Height | 1875 mm (73.82 in.) |
| Wheelbase | 3886 mm (152.99 in.) |
| Front track | 1745 mm (68.7 in.) |
| Rear (Back) track | 1716 mm (67.56 in.) |
| Ride height (ground clearance) | 227 mm (8.94 in.) |
| Minimum turning circle (turning diameter) | 14.8 m (48.56 ft.) |
| Approach angle | 17.5° |
| Departure angle | 23° |
| Ramp-over (brakeover) angle | 17.7° |
| 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 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 | 265/70 R17 |
| Wheel rims size | 8J x 17 |
INTRODUCTION
The 2016-2018 GMC Sierra 1500 Crew Cab with the 5.3L EcoTec3 V8 and four-wheel drive was a mainstay of GMC’s truck offerings. Positioned within the fourth generation of the Sierra 1500 (GMTK2XX platform), this facelift brought updated styling, enhanced technology, and refinements to the powertrain. The Crew Cab configuration offered a spacious interior, making it suitable for families and passengers, while the standard box provided a practical cargo bed. The 5.3L V8, paired with a six-speed automatic transmission, was a popular choice for buyers seeking a balance between towing capacity, everyday usability, and fuel efficiency.
Powertrain & Engine Architecture
At the heart of this Sierra 1500 variant lies the 5.3L EcoTec3 V8 engine, designated as the L83. This engine is a naturally aspirated, direct-injection powerplant featuring Active Fuel Management (cylinder deactivation) to improve fuel economy during light-load driving conditions. The L83 produces 355 horsepower at 5600 rpm and 382.79 lb-ft of torque at 4100 rpm. When running on E85 fuel, the engine output increases to 380 horsepower and 424 lb-ft of torque. The engine utilizes a robust cast iron block with aluminum cylinder heads, and a 11:1 compression ratio. The Hydra-Matic 6L80 six-speed automatic transmission is the sole transmission option for this configuration. This transmission is known for its durability and smooth shifting characteristics, with gear ratios optimized for both towing and fuel efficiency.
Driving Characteristics
The 5.3L V8 and 6L80 automatic combination delivers adequate performance for most everyday driving scenarios. While not as quick as the 6.2L V8-equipped Sierras, the 5.3L provides sufficient power for hauling moderate loads and towing trailers. The automatic transmission shifts smoothly, although it can sometimes feel hesitant during quick acceleration. The four-wheel drive system provides enhanced traction in inclement weather and off-road conditions. The overall driving experience is comfortable, thanks to the Crew Cab’s spacious interior and well-tuned suspension. However, the Sierra 1500’s large size and weight can make it feel cumbersome in tight spaces.
Equipment & Trim Levels
The Sierra 1500 offered a range of trim levels, with the 5.3L V8 available on SLE, SLT, and Denali trims. Standard equipment on the SLE included features like air conditioning, power windows and locks, a rearview camera, and a basic infotainment system. The SLT trim added leather upholstery, heated front seats, a premium audio system, and additional convenience features. The Denali trim, the most luxurious option, included unique exterior styling, a more refined interior, and advanced technology features. Optional extras available for this variant included a navigation system, a sunroof, and a trailering package.
Chassis & Braking
The GMTK2XX platform features a fully boxed frame, providing a solid foundation for the Sierra 1500. The front suspension utilizes independent coil springs, while the rear suspension employs a traditional leaf spring setup. This configuration balances ride comfort with load-carrying capacity. Braking duties are handled by ventilated disc brakes on all four wheels. The front brakes measure 330x30mm, while the rear brakes are 345x20mm. An Anti-lock Braking System (ABS) is standard. The steering system is a rack-and-pinion setup with electric power steering, providing responsive and precise handling.
Market Reception & Comparison
The 2016-2018 GMC Sierra 1500 with the 5.3L V8 and 4WD was generally well-received by critics and consumers. It was praised for its comfortable ride, spacious interior, and capable powertrain. Compared to the base V6 models, the 5.3L V8 offered a significant boost in performance and towing capacity. However, its fuel economy was slightly lower. Compared to the 6.2L V8, the 5.3L offered a more affordable price point, but with less overall power. Reliability was generally good, although some owners reported issues with the Active Fuel Management system.
Legacy
The 5.3L EcoTec3 V8 remains a popular and reliable engine in the used truck market. The GMTK2XX platform Sierra 1500s are known for their durability and longevity, making them a good choice for buyers seeking a capable and dependable full-size pickup. While newer trucks offer more advanced technology and features, the 2016-2018 Sierra 1500 continues to provide a solid value proposition, offering a blend of capability, comfort, and affordability. Maintenance costs are generally reasonable, and parts availability is excellent. The L83 engine, when properly maintained, can provide many years of reliable service.
