2021 GMC Terrain Book Value
Denali Front-Wheel Drive
National Average Book Values
Enter a zip and mileage to find market value in your area
| Average Market Value | $26,545 |
| Low Market Value | $19,909 |
| High Market Value | $33,181 |
| Private Party Value | $22,563 |
| Trade-in Value | $19,112 |
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GMC Terrain Information
