2018 GMC Sierra 1500 Book Value
SLT 4x4 Crew Cab 5.75 ft. box 143.5 in. WB
National Average Book Values
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| Average Market Value | $31,577 |
| Low Market Value | $23,683 |
| High Market Value | $39,471 |
| Private Party Value | $26,840 |
| Trade-in Value | $22,735 |
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GMC Sierra 1500 Information
