2018 GMC Sierra 1500 quarter panel — 8' box, LH price snapshot
- Low
- $250
- Average
- $467
- High
- $830
Year & trim-specific price guide
A used 2018 GMC Sierra 1500 quarter panel (8' box, LH) costs $250 to $830, with a median asking price of $425. Based on 47 priced salvage yard listings across the US, updated Sep 8, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | Updating | — | |
| Grade BStandard used | Updating | — | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | $250–$830 | 47 |
Trim-specific context
This pricing covers the 8' box, LH variant of the 2018 GMC Sierra 1500 quarter panel, based on 47 priced listings. Its $425 median is 15% below the 2018 GMC Sierra 1500 quarter panel overall median of $500.
There are 5 other quarter panel variants available for the 2018 GMC Sierra 1500.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same trim, other years
Same year, other trims
Back to full guide
Common questions
Based on 47 priced salvage-yard listings, a used 2018 GMC Sierra 1500 quarter panel in the 8' box, LH variant lists between $250 and $830, with a median asking price of $425.
The 8' box, LH variant appears in model years 2015, 2017, 2018, 2023. Prices and availability may differ by year.