The GMC Sierra 1500 IV (GMTK2XX) Crew Cab Short Box, equipped with the 6.2 EcoTec3 V8 engine and a four-wheel drive automatic transmission, represents a significant iteration in GMC’s full-size pickup truck lineage. Produced from 2013 to 2014, this variant occupied a premium position within the fourth-generation Sierra 1500 lineup, offering a blend of substantial power, towing capacity, and interior comfort. It was designed to compete directly with offerings from Ford, Ram, and Chevrolet, appealing to buyers needing a capable and refined truck for both work and personal use. This model year marked a transition period for the Sierra, incorporating updated technology and features while maintaining the rugged dependability expected of a GMC truck.
Technical Specifications
| Brand | GMC |
| Model | Sierra 1500 |
| Generation | Sierra 1500 IV (GMTK2XX) Crew Cab Short Box |
| Type (Engine) | 6.2 EcoTec3 V8 (420 Hp) 4WD Automatic |
| Start of production | 2013 |
| End of production | 2014 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Pick-up |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 16.8 l/100 km (14 US mpg, 16.8 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 | 5.8 kg/Hp, 172.5 Hp/tonne |
| Weight-to-torque ratio | 3.9 kg/Nm, 255.9 Nm/tonne |
| Power | 420 Hp @ 5600 rpm |
| Power per litre | 68.2 Hp/l |
| Torque | 623 Nm @ 4100 rpm (459.5 lb.-ft. @ 4100 rpm) |
| Maximum engine speed | 6000 rpm |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | L86 |
| Engine displacement | 6162 cm3 (376.03 cu. in.) |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 103.25 mm (4.06 in.) |
| Piston Stroke | 92 mm (3.62 in.) |
| Compression ratio | 11.5:1 |
| 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 | 2435 kg (5368.26 lbs.) |
| Max. weight | 3266 kg (7200.3 lbs.) |
| Max load | 831 kg (1832.04 lbs.) |
| Trunk (boot) space – minimum | 1512 l (53.4 cu. ft.) |
| Fuel tank capacity | 98 l (25.89 US gal | 21.56 UK gal) |
| Permitted trailer load with brakes (12%) | 4309 kg (9499.72 lbs.) |
| Length | 5829 mm (229.49 in.) |
| Width including mirrors | 2032 mm (80 in.) |
| Height | 1879 mm (73.98 in.) |
| Wheelbase | 3645 mm (143.5 in.) |
| Front track | 1745 mm (68.7 in.) |
| Rear (Back) track | 1716 mm (67.56 in.) |
| Ride height (ground clearance) | 226 mm (8.9 in.) |
| Minimum turning circle (turning diameter) | 14.4 m (47.24 ft.) |
| Approach angle | 17.1° |
| Departure angle | 23.2° |
| Ramp-over (brakeover) angle | 19.0° |
| 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 | 245/70R17; 265/70 R17 |
| Wheel rims size | 8J x 17 |
INTRODUCTION
The 2013-2014 GMC Sierra 1500 Crew Cab Short Box with the 6.2L EcoTec3 V8 and 4WD automatic transmission represented a sweet spot in GMC’s lineup. Positioned as a premium offering, it sat above the base 4.3L V6 and the 5.3L V8 models, providing significantly more power and towing capacity. The “GMTK2XX” designation refers to the truck’s platform, a robust body-on-frame construction designed for durability and capability. The Crew Cab configuration offered spacious seating for five passengers, while the Short Box provided a manageable bed length for everyday use. This particular variant was aimed at buyers who demanded a powerful, comfortable, and capable full-size truck without necessarily opting for the heavy-duty models.
Powertrain & Engine Architecture
At the heart of this Sierra 1500 lies the L86 6.2-liter EcoTec3 V8 engine. This engine is a naturally aspirated, direct-injection powerplant featuring Active Fuel Management (cylinder deactivation) to improve fuel economy during light-load driving. The engine produces 420 horsepower at 5600 rpm and 459.5 lb.-ft. of torque at 4100 rpm. The direct injection system, combined with variable valve timing, contributes to both power and efficiency. The engine utilizes an overhead valve (OHV) valvetrain, a design choice prioritizing compactness and reliability. Paired with the L86 engine is the Hydra-Matic 6L80 six-speed automatic transmission. This transmission is known for its smooth shifting and durability, offering a balance between performance and fuel efficiency. The 4WD system is an electronically controlled, on-demand system, automatically engaging the front axle when traction is needed.
Driving Characteristics
The 6.2L V8 and 6-speed automatic combination delivers strong acceleration and effortless cruising. Compared to the 5.3L V8, the 6.2L provides a noticeable increase in power, particularly when towing or hauling heavy loads. While not as fuel-efficient as the smaller engines, the 6.2L offers a satisfying driving experience. The Hydra-Matic transmission is well-tuned, providing smooth and timely shifts. The gear ratios are optimized for both towing and highway driving. The 4WD system provides excellent traction in various conditions, making this Sierra a capable performer both on and off-road. However, the larger engine and 4WD system do contribute to a slightly higher curb weight, which can be felt during cornering.
Equipment & Trim Levels
The Crew Cab Short Box 6.2L 4WD Sierra 1500 typically came standard with a generous list of features, including air conditioning, power windows and locks, a tilt steering wheel, and a basic audio system. Higher trim levels, such as the SLT and Denali, added features like leather upholstery, heated and ventilated front seats, a premium audio system, navigation, and a rearview camera. Optional extras included a sunroof, upgraded wheels, and various convenience packages. The interior design was functional and comfortable, with a focus on durability and ease of use. The short box configuration offered a practical bed length for hauling cargo, while still maintaining a relatively manageable vehicle size.
Chassis & Braking
The Sierra 1500 utilizes a traditional body-on-frame construction, providing a robust and durable platform. The front suspension features independent coil springs, while the rear suspension employs a rigid axle with leaf springs. This setup provides a comfortable ride and good 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. The steering system is a rack-and-pinion setup with electric power steering, offering responsive and precise handling.
Market Reception & Comparison
The 6.2L Sierra 1500 received generally positive reviews from automotive critics. It was praised for its powerful engine, smooth transmission, and comfortable ride. However, some critics noted that the fuel economy was not as competitive as some of its rivals. Compared to the 5.3L V8 Sierra, the 6.2L offered a significant performance upgrade, but at a higher price point. Against competitors like the Ford F-150 and Ram 1500, the Sierra 1500 held its own, offering a compelling combination of power, capability, and refinement.
Legacy
The L86 6.2L EcoTec3 V8 has proven to be a relatively reliable engine, with few widespread issues reported. The Hydra-Matic 6L80 transmission is also known for its durability. In the used car market, these Sierra 1500s remain popular choices for buyers seeking a capable and well-equipped full-size truck. Proper maintenance, including regular oil changes and fluid checks, is crucial for ensuring the long-term reliability of this powertrain. The 2013-2014 Sierra 1500 6.2L 4WD represents a solid and dependable truck that continues to offer value and performance years after its initial release.
