2021 GMC Sierra 3500HD Book Value
SLT 4x4 Crew Cab 8 ft. box 172 in. WB DRW
National Average Book Values
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| Average Market Value | $55,941 |
| Low Market Value | $41,956 |
| High Market Value | $69,926 |
| Private Party Value | $47,550 |
| Trade-in Value | $40,278 |
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GMC Sierra 3500HD Information
