| Age |
New |
| Available Engines |
4.8 L, 8 cyl. |
| Estimated Price |
$20,000 to $30,000 • $30,000 to $40,000 |
| Estimated Retail Price |
$21,970 - $26,060 |
| Estimated Wholesale Price |
$16,465 - $19,075 |
| Fuel Type |
Gasoline |
| Miles per Gallon |
14/18 |
| Model Year |
2003 |
| Models |
Sierra |
| More Information |
Compare all 2003 GMC Sierra 1500 Extended Cab models |
| Original List Price |
$24,227 - $31,803 |
| Seating Capacity |
6 |
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