Cruise Control Radio

H3 also gives the choice of manual or automatic transmissions. Also new to the Hummer lineup is the H1 Alpha performance model. Its 300 horsepower engine is a 46-percent more powerful unit than the standard H1, giving a 3-second faster 0-60 acceleration time. The H1 Alpha's Allison 1000 transmission sets new standards for off-road capability. ................
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