The average asking price for a used 1988 GMC Sierra 1500 is $36,410, with 64,052 miles on average, across 8 cars for sale at U.S. dealers as of Nov 10, 2026.
| 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 |
Used 1988 GMC Sierra 1500s for sale at U.S. dealers ask $36,410 on average (half ask less than $31,998), across 8 cars. The cars for sale have 64,052 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.
The 1988 asks $36,410 on average with 64,052 miles; the 1987 asks $42,846 with 24,427 miles, and the 1989 asks $26,734 with 55,402 miles.
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.
| 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 |
