GMC Sierra 1500 III (GMT900) Extended Cab Long Box 6.0 Vortec V8 (367 Hp) Automatic


Overall Rating

7.8 / 10
Safety N/A / 5
Not Rated
Engine 4.0 / 5
Value 3.7 / 5
Performance 4.0 / 5
Comfort 3.8 / 5
People\'s Opinion N/A / 5
Not Rated

GMC Sierra 1500:

The Chevrolet Silverado is a range of trucks manufactured by General Motors under the Chevrolet brand. Introduced for the 1999 model year, the Silverado is the successor to the long-running Chevrolet C/K model line. Taking its name from the top trim level from the Chevrolet C/K series, the Silverado is offered as a series of full-size pickup trucks, chassis cab trucks, and medium-duty trucks. The fourth generation of the model line was introduced for the 2019 model year.
The Chevrolet Silverado shares mechanical commonality with the identically related GMC Sierra; GMC ended the use of the C/K nomenclature a model generation prior to Chevrolet. In Mexico, high-trim level versions of the Silverado use the Chevrolet Cheyenne name Starting with the LT trim. Standard and "Custom" trims are still called Silverado. Competing against the Ford F-Series, Ram pickup, Toyota Tundra, and Nissan Titan, the Silverado is among the best-selling vehicles in the United States, having sold over 12 million trucks since its introduction in 1998 as a 1999 model year....(Read more on Wikipedia)

III (GMT900) Extended Cab Long Box Overview:

GMC Sierra 1500 (III (GMT900) Extended Cab Long Box). With 508 Nm of torque, it offers ample pulling power. Rear‑wheel drive offers dynamic handling and sporty feedback. A vehicle with an open cargo bed at the back, suitable for transporting goods. With seating for 6, it’s perfect for larger families.

6.0 Vortec V8 (367 Hp) Automatic Verdict:

Rating 4 stars

Performance Verdict

Offers substantial power and torque for serious work and towing, without the added complexity or weight of 4WD.

Fuel Economy

Still a very thirsty engine, though potentially slightly better than its 4WD counterpart due to less drivetrain loss.

Best Use Case: Heavy towing and hauling on paved roads, commercial applications, and users needing significant power without 4WD.

Pros and Cons:

Pros:

  • • Powerful and diverse V8 engine lineup for various needs.
  • • Excellent towing and hauling capabilities.
  • • Spacious and comfortable Extended Cab interior.
  • • Robust and durable GMT900 platform.
  • • Available FlexFuel options for fuel versatility.

Cons:

  • • Poor fuel economy across all engine options.
  • • Interior design, while functional, can feel dated compared to rivals.
  • • Large size can make city driving and parking challenging.
  • • Ride quality can be firm, especially when unladen.
  • • Rear drum brakes on some trims are a drawback.

Specifications:

Specifications are compared to those of the previous generation(II (GMT800): 2002 - 2007).

General:
Brand:GMC
Model:Sierra 1500
Generation:III (GMT900) Extended Cab Long Box
Modification (Engine):6.0 Vortec V8 (367 Hp) Automatic
Start of production:2007
End of production:2010
Powertrain Architecture:Internal Combustion engine
Body type:Pick-up
Seats:6
Doors:2
Engine:
Power:367 Hp @ 5600 rpm. Same horsepower
Power per litre:61.5 Hp/l [1164mm more]
Torque:508 Nm @ 4300 rpm.
Engine Model/Code:L76 More details about the engine L76
Engine displacement:5967
Number of cylinders:8
Engine configuration:V-engine
Number of valves per cylinder:2
Fuel injection system:Multi-port manifold injection
Engine aspiration:Naturally aspirated engine
Valvetrain:OHV
Engine oil capacity:5.7 l
Coolant:13.6 l
Engine layout:Front, Longitudinal
Cylinder Bore:101.6 mm mm
Piston Stroke:91.95 mm mm
Compression ratio:9.6:1
Maximum engine speed:6000 rpm.
Performance:
Fuel Type:Petrol (Gasoline)
Fuel consumption (economy) - urban:18.1 l/100 km
Fuel consumption (economy) - extra urban:13.1 l/100 km
Space:
Max. weight:3130
Trunk (boot) space - maximum:2138 l
Fuel tank capacity:128 l
Size:
Ramp-over (brakeover) angle:18°
Length:6325 mm mm [1164mm more]
Width:2029 mm mm [35mm more]
Height:1870 mm mm [62mm more]
Wheelbase:4001 mm mm [978mm more]
Width including mirrors:2029 mm
Front track:1730 mm
Rear (Back) track:1702 mm
Ride height (ground clearance):230 mm
Minimum turning circle (turning diameter):15.6 m [above average]
Approach angle:16.2°
Departure angle:22.8°
Powertrain:
Drivetrain ArchitectureThe Internal combustion engine (ICE) drives the rear wheels of the vehicle.
Drive wheelRear wheel drive
Number of gears6
Transmission typeAutomatic
Gearbox typeHydra-Matic
Front brakesVentilated discs [Best for performance and cooling.]
Rear brakesDrum [bad for performance and cooling.]
Assisting systemsABS (Anti-lock braking system)
Steering typeSteering rack and pinion
Power steeringElectric Steering
Tires size245/70 R17
Wheel rims size7.5J x 17
Front suspensionIndependent coil spring
Rear suspensionRigid axle suspension, Leaf spring

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