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Hummer - 2005 H3 Street
Hummer - 2005 H3 Street

Hummer - 2005 H3 Street

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Hummer H3 Street The Hummer H3 is a sport utility vehicle (SUV) from Hummer that was produced from 2005 to 2010. Introduced for the 2006 model year, it was based on the GMT355 un... More »
Hummer H3 Street

The Hummer H3 is a sport utility vehicle (SUV) from Hummer that was produced from 2005 to 2010. Introduced for the 2006 model year, it was based on the GMT355 underpinning the Chevrolet Colorado and GMC Canyon compact pickup trucks that were also built at GM's Shreveport Operations in Shreveport, Louisiana and the Port Elizabeth plant in South Africa. The H3 was the smallest among the Hummer models, and the only one to be built by General Motors. It was available either as a traditional midsize SUV or as a midsize pickup known as the H3T.

Powertrains

The H3 was launched with a 3.5 liter straight-5 cylinder L52 engine that produced 220 hp (160 kW) and 225 lbf·ft (305 N·m) of torque and was mated to a standard five-speed manual transmission or an optional Hydra-Matic 4L60-E four-speed automatic transmission. In 2007 this engine was replaced by the 3.7 liter LLR that produced 242 hp (180 kW) and 242 lbf·ft (328 N·m) of torque, figures that were revised in 2009 to 239 hp (178 kW) and 241 lbf·ft (327 N·m). Under revised EPA testing standards when equipped with either transmission this straight-5 engine achieved 14 mpg-US (17 l/100 km) in the city and 18 mpg-US (13 l/100 km) on the highway with a combined average of 15 mpg-US (16 l/100 km). Available solely with the automatic transmission, a 5.3 liter LH8 V8 engine producing 300 hp (220 kW) and 320 lbf·ft (430 N·m) of torque was added in 2008 for the Alpha model. The V8 version had lower fuel economy, estimated at 13 mpg-US (18 l/100 km) in the city, 16 mpg-US (15 l/100 km) on the highway, with a combined average of 14 mpg-US (17 l/100 km).

Capabilities

The H3 featured a two-speed, electronically controlled full-time four-wheel drive system that made it for both on-road and off-road driving. Electronic locking front and rear differentials were optional. Like the Hummer H2, the H3 can ford 27 inches (690 mm) of water (tested in depths up to 34 in or 864 mm) at a speed of 5 mph (8.0 km/h) and 20 in (508 mm) of water at a speed of 20 mph (32 km/h). Standard ground clearance with the 31 inch tires measured at 9.7 in (246 mm) while the approach, departure, and breakover angles are measured at 37.4°, 34.7°, and 22.1° respectively, allowing the H3 to scale a 16-inch (406 mm) vertical wall and negotiate grades of 60% and side slopes of 40%. Front and rear recovery hooks were standard, with an optional trailer hitch and wiring harness. The optional Adventure or Off Road package included 33 inch tires which increased it's capabilities.

Maximum towing capacities were 3,000 lb (1,361 kg) for the straight-5 with manual transmission, 4,500 lb (2,041 kg) for the straight-5 with automatic transmission, and 6,000 lb (2,722 kg) for the V8 with automatic transmission. Cargo volume with the second-row seats in the upright position was 25.0 cubic feet (0.71 m3) that could be expanded to a maximum of 62.8 cubic feet (1.78 m3) when the seats are folded down. The V8 models featured the least maximum payload capacity of just over 1,100 lb (499 kg) while straight-5, manual transmission models allowed the greatest payload at 1,300 lb (590 kg).

Safety

Electronic stability control, anti-lock four-wheel disc brakes, brake-controlled traction control, LATCH child-seat anchors, and tire-pressure monitoring were standard features on the H3. Side-curtain airbags were optional until 2008 when they were made standard across. The H3 was rated Acceptable, the second highest rating, by the Insurance Institute for Highway Safety in both frontal offset and side-impact crashes (with side airbags) and Poor, the lowest rating, for rear-crash protection/head restraints.

H3T

The Hummer H3T is a mid-size pickup truck that was available during the 2009 and 2010 model years.

The vehicle was originally developed as a regular cab (two-door) concept pickup truck in 2003, that was shown at the 2004 Los Angeles Auto Show. The five-passenger four-door crew-cab production version appeared at the 2008 Chicago Auto Show. The H3T featured a 5-foot bed with built-in storage boxes and came in standard H3T, H3T Adventure, H3T Luxury, and H3T Alpha (with cloth or leather trim) trim packages.

A road test by Motor Trend reported the 2009 truck "crawled up rock steps, ran through sand washes, and navigated steep ledges with confidence and capability to spare." They described its turning radius "uncomfortably wide" and said "at highway cruising it would've been nice to have a faster, firmer feel.

International markets

In 2007, GM South Africa launched Hummer production in Port Elizabeth. The plant manufactured the Hummer H3 for the South African market, as well as units exported to Asia and Europe. This factory also manufactured a right hand drive version for the Australian market between 2007 and 2009. In Australia, the Hummer was distributed by GM Holden by specialist dealerships that were also affiliated with the Saab automobile brand, which was owned by GM at that time.

The H3 was qualified in 2010 by the Japanese Transport Ministry for tax breaks that set easier fuel-efficiency standards for heavier vehicles. The 4,700-pound (2,132 kg) H3's 16 mpg-US (15 L/100 km; 19 mpg-imp) average in city traffic cleared the required Japanese emissions standards relative to its weight. A total of 723 Hummers were sold in Japan during the 12 months before March 2009.

End of the H3

At the end of February 2010, General Motors announced it would begin dismantling the Hummer brand. After filling a rental-car fleet order, the last Hummer H3T rolled off line at Shreveport on May 24, 2010.

This article is licensed under the GNU Free Documentation License. It uses material from Wikipedia.
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