2006 GMC Sierra 2500HD Book Value
SL 4x4 Extended Cab 8 ft. box 157.5 in. WB
National Average Book Values
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| Average Market Value | $9,066 |
| Low Market Value | $6,800 |
| High Market Value | $11,333 |
| Private Party Value | $7,706 |
| Trade-in Value | $6,528 |
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GMC Sierra 2500HD Information
