The average asking price for a used 2020 GMC Sierra 1500 is $32,343, with 94,127 miles on average, across 2,429 cars for sale at U.S. dealers as of Nov 10, 2026.
| State | Average asking | Average miles | For sale | Days listed |
|---|---|---|---|---|
| Texas | $32,793 | 95,065 | 275 | 56 |
| Florida | $32,528 | 92,448 | 125 | 42 |
| Michigan | $29,600 | 97,217 | 103 | 77 |
| California | $33,131 | 82,266 | 98 | 71 |
| Ohio | $30,987 | 96,543 | 97 | 57 |
| North Carolina | $32,286 | 97,230 | 96 | 56 |
| Minnesota | $30,756 | 102,574 | 94 | 75 |
| Illinois | $31,639 | 96,070 | 87 | 62 |
| Washington | $32,407 |
Used 2020 GMC Sierra 1500s for sale at U.S. dealers ask $32,343 on average (half ask less than $32,324), across 2,429 cars. The cars for sale have 94,127 miles on average: one with fewer miles is worth more, and one with more is worth less. To check one car's price against cars of its trim and mileage, enter its VIN in OttoQuest's free Deal Check.
Among states with at least 10 for sale, Michigan has the lowest average asking price, $29,600 across 103 cars with 97,217 miles on average, and Wyoming the highest, $35,767 across 11 with 87,027 miles on average. Part of a gap between states is mileage and trim, not the state.
The 2,310 for sale with a listing date have been listed 60 days on average. A car listed much longer than that, or one whose price has already been cut, usually leaves more room to negotiate.
The 2020 asks $32,343 on average with 94,127 miles; the 2019 asks $29,982 with 98,319 miles, and the 2021 asks $33,733 with 85,102 miles.
NHTSA lists 12 safety recall campaigns that cover the 2020 GMC Sierra 1500. Repairs are free at a dealer of the make; check a car's VIN with NHTSA before you buy to see whether its recalls were fixed.
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.
| 91,572 |
| 71 |
| 82 |
| Pennsylvania | $34,039 | 80,501 | 71 | 58 |
| Wisconsin | $31,877 | 90,460 | 70 | 65 |
| Missouri | $32,517 | 92,610 | 69 | 92 |
| Alabama | $33,699 | 102,211 | 67 | 82 |
| Indiana | $32,129 | 92,562 | 64 | 49 |
| Tennessee | $33,268 | 100,524 | 64 | 57 |
| Georgia | $31,259 | 109,897 | 62 | 44 |
| New York | $30,948 | 79,438 | 55 | 49 |
| Louisiana | $31,230 | 104,448 | 55 | 44 |
| Colorado | $33,451 | 93,310 | 54 | 55 |
| Oklahoma | $32,102 | 97,263 | 54 | 53 |
| Virginia | $31,681 | 96,038 | 44 | 64 |
| Arizona | $33,426 | 94,705 | 43 | 43 |
| Iowa | $33,129 | 87,937 | 40 | 80 |
| South Carolina | $31,745 | 99,994 | 39 | 43 |
| Kentucky | $32,448 | 95,600 | 39 | 51 |
| Massachusetts | $32,379 | 81,355 | 38 | 56 |
| Mississippi | $33,900 | 105,503 | 37 | 68 |
| Arkansas | $31,770 | 99,754 | 37 | 51 |
| Nebraska | $33,342 | 95,324 | 34 | 95 |
| Utah | $32,108 | 96,031 | 29 | 54 |
| Montana | $35,713 | 83,239 | 28 | 64 |
| South Dakota | $32,228 | 97,882 | 27 | 96 |
| New Jersey | $30,994 | 90,802 | 27 | 57 |
| Idaho | $33,935 | 87,131 | 24 | 74 |
| Oregon | $32,446 | 83,978 | 24 | 30 |
| Connecticut | $31,173 | 82,759 | 23 | 65 |
| North Dakota | $34,254 | 89,384 | 21 | 47 |
| Kansas | $33,483 | 107,975 | 20 | 49 |
| New Hampshire | $32,577 | 90,401 | 15 | 48 |
| Maine | $33,982 | 85,827 | 15 | 84 |
| Maryland | $34,177 | 81,399 | 14 | 43 |
| New Mexico | $32,486 | 104,431 | 13 | 45 |
| West Virginia | $31,510 | 86,494 | 13 | 81 |
| Wyoming | $35,767 | 87,027 | 11 | 41 |
| Vermont | $30,099 | 82,347 | 8 | 89 |
| Nevada | $32,497 | 93,136 | 8 | 27 |
| Alaska | $36,665 | 74,228 | 8 | 43 |
| Delaware | $33,503 | 89,897 | 6 | 29 |
| Year | Average asking | Miles | For sale |
|---|---|---|---|
| 2027 | $75,365 | 3 | 476 |
| 2026 | $58,622 | 1,049 | 47,524 |
| 2025 | $47,412 | 32,489 | 4,659 |
| 2024 | $46,156 | 41,103 | 6,289 |
| 2023 | $43,395 | 54,236 | 4,989 |
| 2022 | $38,357 | 69,644 | 3,183 |
| 2021 | $33,733 | 85,102 | 3,583 |
| 2020 | $32,343 | 94,127 | 2,429 |
| 2019 | $29,982 | 98,319 | 1,813 |
| 2018 | $25,562 | 109,631 | 1,698 |
| 2017 | $22,557 | 117,308 | 1,127 |
| 2016 | $20,325 | 125,470 | 686 |
| 2015 | $18,570 | 132,914 | 956 |
| 2014 | $16,365 | 138,840 | 705 |
| 2013 | $13,128 | 141,637 | 256 |
| 2012 | $12,248 | 143,196 | 203 |
| 2011 | $11,464 | 156,746 | 177 |
| 2010 | $11,717 | 150,398 | 71 |
| 2009 | $10,703 | 154,020 | 96 |
| 2008 | $11,045 | 153,836 | 70 |
| 2007 | $10,783 | 163,321 | 61 |
| 2006 | $9,418 | 179,541 | 40 |
| 2005 | $11,045 | 173,789 | 34 |
| 2004 | $15,096 | 145,061 | 30 |
| 2003 | $10,706 | 166,995 | 23 |
| 2002 | $14,413 | 174,289 | 14 |
| 2001 | $13,712 | 172,215 | 18 |
| 2000 | $12,238 | 166,616 | 19 |
| 1999 | $12,975 | 122,012 | 13 |
| 1998 | $14,000 | 170,762 | 10 |
| 1997 | $21,615 | 139,388 | 12 |
| 1996 | $14,970 | 155,149 | 10 |
| 1995 | $17,368 | 133,749 | 12 |
| 1994 | $17,818 | 140,940 | 10 |
| 1993 | $20,496 | 135,881 | 12 |
| 1992 | $11,011 | 117,702 | 4 |
| 1991 | $20,967 | 120,375 | 3 |
| 1990 | $21,877 | 112,830 | 5 |
| 1989 | $26,734 | 55,402 | 6 |
| 1988 | $36,410 | 64,052 | 8 |
| 1987 | $42,846 | 24,427 | 6 |
| 1985 | $29,716 | 24,756 | 5 |
| 1984 | $21,817 | 92,621 | 9 |
| 1981 | $36,997 | 57,500 | 3 |
| 1980 | $19,999 | — | 1 |
| 1976 | $26,900 | — | 1 |
