2004 GMC Sierra 2500 HD Extended Cab

2004 GMC Sierra 2500 HD Extended Cab

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  • 2004 GMC 2500HD ext. cab 4x4 UPDATE

    Dec 14 '03
    Pros: A smooth, quiet ride. Another Quality product
    Cons: So far none have been found.

    Summary: This truck replaces my 2001 Sierra 1500. Basically the same truck as in the title only the new is the 2500HD. Have camper now, needed more of a truck. This GMC HD (Heavy Duty) comes standard with the 6 liter engine. This is a 300 HP engine. It runs ... read more

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  • 2500HD Duramax

    Oct 10 '04
    Pros: Duramax, Allison Transmission
    Cons: None yet

    Summary: We recently purchased a 2004 GMC Sierra 2500HD Ext. Cab, Long box, with the Duramax, and Allison Transmission. All we can say is wow. While we've had it for less then a month, everything about it is excellent. The duramax is very strong, without

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