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Hummer H3

Manufacturer	General Motors, GM South Africa
Production	2005–present
Assembly	South Africa: Port Elizabeth, Eastern Cape  United States: Shreveport, Louisiana
Class	Mid-size SUV
Layout	Front engine, four-wheel drive
Platform	GM GMT345 platform
Engine(s)	3.5L (211 CID) L52 I5 3.7L (223 CID) LLR I5 5.3L (325 CID) LH8 V8
Transmission(s)	Hydra-Matic 4L60-E 4-speed automatic 5-speed manual
Wheelbase	111.9 in (2842 mm)
Length	186.7 in (4742 mm)
Width	74.7 in (1897 mm)
Height	2006-07: 73.7 in (1872 mm) 2008-present: 73.2 in (1859 mm)
Curb weight	4700 lb (2132 kg) - 4900 lb (2223 kg)
Fuel capacity	23 U.S. gal (19 imp gal; 87 L)
Related	Chevrolet Colorado GMC Canyon Isuzu i-Series

The Hummer H3 SUV is a vehicle from General Motors' Hummer division introduced in 2006 and based on the GMT355 that underpins the Chevrolet Colorado and GMC Canyon compact pickup trucks. Currently produced at GM's Shreveport, Louisiana factory and the Port Elizabeth plant in South Africa the H3 is the smallest of the Hummer models and is available either as a traditional midsize SUV or as a midsize pickup known as the H3T.

[edit] H3 in the International Market

A H3 in Australia

In 2007 GM South Africa launched their first Hummer production facility in Port Elizabeth, this move introduced the Hummer brand to the South African market and also somewhat lightened the load of the Shreveport factory in Louisiana. The plant manufactures only the Hummer H3, and builds for the South African market as well as the Asian market and European continent.

[edit] Powertrains

The H3 was launched with a 3.5 liter straight-5 cylinder L52 engine that produced 220hp and 225 ft·lb 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 3.7 liter LLR that produced 242hp and 242 ft·lb of torque, figures that were revised in 2009 to 239hp and 241 ft·lb. Under revised EPA testing standards when equipped with either transmission this straight-5 engine achieves 14 miles per gallon in the city and 18 miles per gallon on the highway with a combined average of 15 miles per gallon. Available solely with the automatic transmission, a 5.3 liter LH8 V8 producing 300 hp and 320 ft·lb of torque was added in 2008 for the Alpha model of the H3 and returns slightly lower fuel economy estimated at 13 miles per gallon in the city, 16 miles per gallon on the highway, with a combined average of 14 miles per gallon.^[1]

[edit] Capabilities

The H3 features a two-speed, electronically controlled full-time four-wheel drive system that is suitable for both on-road and off-road driving in all conditions, with electronic locking front and rear differentials optionally available. Like its larger sibling the Hummer H2, the H3 can ford 24 inches of water (tested in depths up to 31 inches) at a speed of 5 miles per hour and 16 inches of water at a speed of 20 miles per hour. Standard ground clearance is measured at 9.7 inches 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 vertical wall and negotiate grades of 60% and side slopes of 40%. Though fore and aft recovery hooks are standard, a trailer hitch and wiring harness are optional. Maximum towing capacities are 3000 lbs for the straight-5 with manual transmission, 4500 lbs for the straight-5 with automatic transmission, and 6000 lbs for the V8 with automatic transmission. Cargo volume with the second-row seats in the upright position is 25.0 cubic feet, which expands to a maximum of 62.8 when the seats are folded down. V8 models feature the lightest maximum payload capacity of just over 1100 lbs while straight-5, manual transmission models allow the greatest payload at 1300 lbs.

[edit] Safety

Electronic stability control, anti-lock four-wheel disc brakes, brake-controlled traction control, LATCH child-seat anchors, and tire-pressure monitoring are all standard features on the H3. Side-curtain airbags were optional until 2008 when they were made standard across the entire H3 model line. The H3 is rated "acceptable", the second highest rating, by the Insurance Institute for Highway Safety in both frontal offset and side-impact crashes and "poor", the lowest rating, for rear-crash protection/head restraints.^[2]

[edit] H3T

See Hummer H3T

The Hummer H3T was a concept vehicle from Hummer - mainly used as a media diversion from the Hummer H3 which was to be released in mid 2005. The Hummer H3T production model was shown at the 2008 Chicago Auto Show, with sales set to begin in August 2008 as a 2009 model. The H3T is based on the H3 model, and is a crew cab pickup truck. With a 5 foot bed, the H3T lands between mid-size and full-size truck classes. The H3T offers the same powertrains as the H3 SUV.^[3]

[edit] References

1. ^ [1] EPA 2009 fuel economy estimates. Retrieved on December 27, 2008.
2. ^ [2]IIHS-HLDI Hummer H3. Retrieved on December 27, 2008.
3. ^ [3] Hummer H3T Makes Public Debut (February 8, 2008)] HummerGuy.net. Retrieved on February 15, 2008.

[edit] External links

Wikimedia Commons has media related to: Hummer H3

• GM's Official HUMMER site
• HUMMER H3 in UK