The average asking price for a used 2021 GMC Terrain is $17,708, with 78,119 miles on average, across 542 cars for sale at U.S. dealers as of Nov 10, 2026.
| State | Average asking | Average miles | For sale | Days listed |
|---|---|---|---|---|
| Ohio | $18,132 | 72,385 | 48 | 37 |
| Texas | $17,104 | 85,511 | 47 | 82 |
| Florida | $17,139 | 66,313 | 35 | 50 |
| New York | $19,293 | 63,061 | 34 | 47 |
| Pennsylvania | $18,824 | 74,675 | 26 | 62 |
| Michigan | $17,366 | 67,131 | 24 | 84 |
| Missouri | $18,031 | 82,657 | 18 | 95 |
| North Carolina | $16,279 | 98,960 | 18 | 85 |
| Indiana | $17,517 | 78,777 | 17 | 116 |
| Illinois | $17,481 | 81,391 | 17 | 128 |
| New Jersey | $16,485 | 74,391 | 15 | 70 |
| California | $17,200 | 65,021 | 15 | 61 |
| Virginia | $17,463 | 91,495 | 14 | 74 |
| Minnesota | $15,511 | 100,458 | 12 | 73 |
| Alabama | $18,458 | 70,752 | 12 | 48 |
| Washington | $18,917 | 91,385 | 12 | 104 |
| South Carolina | $18,586 | 77,365 | 11 | 39 |
| Colorado | $16,384 | 74,541 | 10 | 149 |
| Wisconsin | $17,759 | 90,215 | 10 | 43 |
| Tennessee | $18,842 | 66,230 | 10 | 31 |
| Arizona | $16,751 | 85,833 | 9 | 96 |
| Louisiana | $16,271 | 87,660 | 8 | 63 |
| Kentucky | $15,641 | 102,942 | 8 | 42 |
| Utah | $16,392 | 68,592 | 8 | 75 |
| Connecticut | $15,907 | 89,399 | 7 | 28 |
| Kansas | $18,313 | 82,700 | 7 | 25 |
| Georgia | $17,175 | 91,229 | 7 | 33 |
| Arkansas | $20,516 | 64,622 | 6 | 139 |
| Oklahoma | $17,762 | 76,057 | 6 | 152 |
| Iowa | $19,407 | 73,850 | 6 | 23 |
| New Hampshire | $16,901 | 74,014 | 6 | 78 |
| West Virginia | $17,739 | 91,554 | 5 | 42 |
| Massachusetts | $15,895 | 88,357 | 5 | 76 |
| Nebraska | $17,315 | 92,957 | 5 | 76 |
Used and certified cars for sale at US dealers, each car counted once. Days listed are the dealer’s own days on market where they publish it. Price moves compare the same cars at both ends of the window.
| 113,096 |
| 346 |
| 2015 | $9,005 | 117,776 | 399 |
| 2014 | $8,222 | 127,935 | 247 |
| 2013 | $7,357 | 131,976 | 208 |
| 2012 | $6,716 | 129,366 | 140 |
| 2011 | $6,662 | 127,383 | 92 |
| 2010 | $6,058 | 133,714 | 51 |
