2021 GMC Sierra 3500HD Book Value
SLE 4x4 Crew Cab 6.75 ft. box 158.9 in. WB SRW
National Average Book Values
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| Average Market Value | $50,169 |
| Low Market Value | $37,627 |
| High Market Value | $62,712 |
| Private Party Value | $42,644 |
| Trade-in Value | $36,122 |
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GMC Sierra 3500HD Information
