2018 GMC Terrain Book Value
SLT Diesel Front-Wheel Drive
National Average Book Values
Enter a zip and mileage to find market value in your area
| Average Market Value | $18,680 |
| Low Market Value | $14,010 |
| High Market Value | $23,350 |
| Private Party Value | $15,878 |
| Trade-in Value | $13,449 |
| Send us Feedback |
GMC Terrain Information
