2008 GMC Sierra 1500 Book Value
SLT 4x4 Extended Cab 8 ft. box 157.5 in. WB
National Average Book Values
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| Average Market Value | $11,422 |
| Low Market Value | $8,567 |
| High Market Value | $14,278 |
| Private Party Value | $9,709 |
| Trade-in Value | $8,224 |
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GMC Sierra 1500 Information
