2018 GMC Sierra 1500 Book Value
SLT 4x2 Crew Cab 5.75 ft. box 143.5 in. WB
National Average Book Values
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| Average Market Value | $26,586 |
| Low Market Value | $19,939 |
| High Market Value | $33,232 |
| Private Party Value | $22,598 |
| Trade-in Value | $19,142 |
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GMC Sierra 1500 Information
