The average asking price for a used 2003 GMC Sierra 3500 is $44,881, with 92,333 miles on average, across 6 cars for sale at U.S. dealers as of Nov 10, 2026.
Used 2003 GMC Sierra 3500s for sale at U.S. dealers ask $44,881 on average (half ask less than $28,348), across 6 cars. The cars for sale have 92,333 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 2003 asks $44,881 on average with 92,333 miles; the 2004 asks $18,271 with 150,923 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.
| 2013 | $31,138 | 124,887 | 24 |
| 2012 | $27,627 | 154,230 | 15 |
| 2011 | $23,758 | 118,878 | 10 |
| 2010 | $19,195 | 121,237 | 2 |
| 2009 | $22,148 | 157,036 | 8 |
| 2008 | $22,035 | 130,826 | 6 |
| 2007 | $27,177 | 146,200 | 15 |
| 2006 | $25,304 | 135,764 | 14 |
| 2005 | $22,113 | 150,071 | 14 |
| 2004 | $18,271 | 150,923 | 13 |
| 2003 | $44,881 | 92,333 | 6 |
| 2002 | $19,467 | 181,966 | 3 |
| 2001 | $20,410 | 88,233 | 7 |
| 2000 | $7,000 | 8,000 | 1 |
| 1999 | $12,899 | 230,785 | 1 |
| 1998 | $13,264 | 138,436 | 3 |
| 1997 | $6,402 | — | 1 |
| 1996 | $17,500 | 146,515 | 2 |
| 1995 | $15,648 | 142,649 | 2 |
| 1994 | $10,500 | 63,989 | 1 |
| 1993 | $30,133 | 156,930 | 3 |
| 1989 | $21,400 | 23,625 | 1 |
| 1988 | $13,544 | 183,907 | 3 |