Hummer has manufactured hummer h3 in 2005. Out of the three hummers h1,h2,h3 hummer h3 is the smallest car model. This h3 has inherited its characteristics from GMT355. According to a survey it is estimated that about 71% of sales of hummer vechicles are hummer h3.

Generally hummer h3 runs at the rate of 16 mpg in city and around 19 mpg on highway. The distinguishing feature that the hummer h3 has apart from the other hummers h1,h2 is that this is the first hummer vehicle which has manual transmission as well as automatic transmission.

Specifications of hummer h3 are as follows:

• Engine type:20 valve DOHC
• Engine power:220 hp
• Transmission mode: 5 speed manual, 4 speed automatic
• Weight:8500 lb
• Fuel capacity of tank:3.5 litre
• torque: app 300 Nm @2800 rpm
• It has special Dual speed transfer case and electronice locking system

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