Hummer H1 I 6.6 TD V8 (305 Hp) 4x4 Automatic


Overall Rating

6.8 / 10
Safety N/A / 5
Not Rated
Engine 4.0 / 5
Value 3.0 / 5
Performance 3.5 / 5
Comfort 2.0 / 5
People\'s Opinion N/A / 5
Not Rated

Hummer H1:

The Hummer H1 is a full-size four-wheel-drive utility vehicle based on the M998 Humvee, which was developed by AM General when it was a subsidiary of American Motors Corporation. Originally designed strictly for military use, the off-road vehicle was released to the civilian market.
The civilian version was produced from 1992 through 2006 and was the first of what became the Hummer line. AM General built both the H1 and the Humvee in its Mishawaka, Indiana, facility. GM stopped marketing the H1 in the 2006 model year, but AM General continued production of the military Humvee versions through 2018....(Read more on Wikipedia)

I Overview:

Hummer H1 (I). With 705 Nm of torque, it offers ample pulling power. At around 3680 kg, it’s on the heavier side. All‑wheel drive provides excellent grip, ideal for off‑road use. Acceleration is relatively slow (0–100 km/h in 14.1 s). A rugged vehicle built to handle rough terrains and challenging driving conditions. Seating for 4 makes it ideal for daily use.

Safety Rating
Not rated
Euro NCAP Year N/A
Adult Occupant N/A
Stars N/A
Expert Note:
The Hummer H1 I was not tested by Euro NCAP. Its design prioritizes ruggedness and occupant protection in extreme off-road conditions over modern passive safety features like crumple zones or advanced airbags.

6.6 TD V8 (305 Hp) 4x4 Automatic Verdict:

Rating 5 stars

Performance Verdict

Likely a Duramax engine, this is the powerhouse of the lineup. It significantly boosts performance, offering impressive acceleration (14.1 sec 0-100km/h) and effortless power for any task.

Fuel Economy

While still thirsty, the increased power-to-weight ratio might make it feel more efficient than lesser engines, but it's far from economical.

Best Use Case: High-Performance Off-road / Fast Cruising / Heavy-Duty Towing

Pros and Cons:

Pros:

  • • Unmatched off-road capability and ground clearance
  • • Iconic and imposing presence
  • • Extremely durable and robust military-grade construction
  • • High payload and towing capacity
  • • Unique and collectible status

Cons:

  • • Terrible fuel economy across all engine options
  • • Massive size makes it impractical for urban environments and parking
  • • Poor on-road handling and ride comfort
  • • Loud and unrefined cabin experience
  • • High maintenance and running costs
  • • Limited interior space for its exterior dimensions

Specifications:

Specifications are compared to those of the previous generation(I: 2003 - 2004).

General:
Brand:Hummer
Model:H1
Generation:I
Modification (Engine):6.6 TD V8 (305 Hp) 4x4 Automatic
Start of production:2005
End of production:2006
Powertrain Architecture:Internal Combustion engine
Body type:Off-road vehicle
Seats:4
Doors:4
Engine:
Power:305 Hp @ 3000 rpm. Same horsepower
Power per litre:46.2 Hp/l [Same length.]
Torque:705 Nm @ 1500 rpm.
Engine Model/Code:Duramax / LLY More details about the engine Duramax / LLY
Engine displacement:6599
Number of cylinders:8
Engine configuration:V-engine
Number of valves per cylinder:2
Fuel injection system:Diesel Commonrail
Engine aspiration:Turbocharger, Intercooler
Valvetrain:OHV
Engine oil capacity:9.5 l
Engine layout:Front, Longitudinal
Cylinder Bore:103 mm
Piston Stroke:99 mm
Compression ratio:17.5:1
Performance:
Fuel Type:Diesel
Acceleration 0 - 100 km/h:14.1 sec
Acceleration 0 - 62 mph:14.1 sec
Weight-to-power ratio:12.1 kg/Hp, 82.9 Hp/tonne
Weight-to-torque ratio:5.2 kg/Nm, 191.6 Nm/tonne
Acceleration 0 - 60 mph:13.4 sec
Space:
Kerb Weight:3680
Max. weight:4672
Max load:992
Fuel tank capacity:195 l
Size:
Ramp-over (brakeover) angle:29°
Length:4686 mm [Same length.]
Width:2197 mm [Same width.]
Height:1905 mm [Same height.]
Wheelbase:3302 mm [Same wheelbase.]
Front track:1819 mm
Rear (Back) track:1819 mm
Ride height (ground clearance):406 mm
Minimum turning circle (turning diameter):16.2 m [above average]
Approach angle:72°
Departure angle:37.5°
Powertrain:
Drive wheelAll wheel drive (4x4)
Number of gears5
Transmission typeAutomatic
Front brakesVentilated discs [Best for performance and cooling.]
Rear brakesVentilated discs [Best for performance and cooling.]

Does the Hummer H1 live up to the hype? Give us your verdict!