GMC Sierra 1500 I (GMT400) Regular cab LWB Wideside 6.2 diesel V8 (140 Hp) Automatic


Overall Rating

7.4 / 10
Safety N/A / 5
Not Rated
Engine 3.5 / 5
Value 4.0 / 5
Performance 3.0 / 5
Comfort 3.5 / 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)

I (GMT400) Regular cab LWB Wideside Overview:

GMC Sierra 1500 (I (GMT400) Regular cab LWB Wideside). With 335 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. Seating for 3 makes it ideal for daily use.

6.2 diesel V8 (140 Hp) Automatic Verdict:

Rating 4 stars

Performance Verdict

Known for its strong low-end torque, this diesel V8 is excellent for towing and heavy hauling, though acceleration is slower compared to petrol V8s. The automatic transmission enhances usability.

Fuel Economy

Offers better fuel economy than the petrol V8s, making it a more economical choice for high-mileage users, though not up to modern diesel standards.

Best Use Case: Heavy towing, commercial work, long-distance hauling, and applications prioritizing durability and torque.

Pros and Cons:

Pros:

  • • Durable and robust chassis, built for work
  • • Wide range of powerful V8 and torque-rich diesel engines
  • • Improved interior comfort and ergonomics over previous generations
  • • Excellent towing and hauling capabilities
  • • Classic, timeless styling that remains popular
  • • Relatively simple mechanics, easy to maintain for DIYers

Cons:

  • • Poor fuel economy, especially with V8 petrol engines and 4WD
  • • Dated safety features compared to modern vehicles
  • • Interior plastics can be flimsy and prone to wear over time
  • • Susceptible to rust in certain areas, particularly in harsh climates
  • • Ride quality can be stiff, typical for a work-oriented pickup

Specifications:

General:
Brand:GMC
Model:Sierra 1500
Generation:I (GMT400) Regular cab LWB Wideside
Modification (Engine):6.2 diesel V8 (140 Hp) Automatic
Start of production:1988
End of production:1992
Powertrain Architecture:Internal Combustion engine
Body type:Pick-up
Seats:3
Doors:2
Engine:
Power:140 Hp @ 3600 rpm.
Torque:335 Nm @ 2000 rpm.
Number of cylinders:8
Engine configuration:V-engine
Fuel injection system:Precombustion chamber injection
Engine aspiration:Naturally aspirated engine
Engine oil capacity:6.6 l
Coolant:23.5 l
Engine layout:Front, Longitudinal
Cylinder Bore:101.09 mm mm
Piston Stroke:97.03 mm mm
Compression ratio:21.3:1
Performance:
Fuel Type:Diesel
Space:
Fuel tank capacity:129 l
Size:
Length:5547 mm mm
Width:1951 mm mm
Height:1788 mm mm
Wheelbase:3340 mm mm
Front overhang:886 mm
Rear overhang:1321 mm
Powertrain:
Drivetrain ArchitectureThe Internal combustion engine (ICE) drives the rear wheels of the vehicle.
Drive wheelRear wheel drive
Number of gears4
Transmission typeAutomatic
Front brakesDisc
Rear brakesDrum
Tires size225/75 R15
Front suspensionIndependent coil spring
Rear suspensionRigid axle suspension, Leaf spring

Behind the wheel of the GMC Sierra 1500. How does it handle on the road?