2021 GMC Sierra 1500 tailgate — Sedan, lip spoiler (Si) price snapshot
- Low
- $595
- Average
- $1,018
- High
- $1,467
Year & trim-specific price guide
Used 2021 GMC Sierra 1500 Tailgate — Sedan, lip spoiler (Si) prices
Trim-specific pricing for the Sedan, lip spoiler (Si) variant of the 2021 GMC Sierra 1500 tailgate, built from 39 real salvage yard listings with condition grade detail.
Price summary
A used 2021 GMC Sierra 1500 tailgate (Sedan, lip spoiler (Si)) costs $595 to $1,467, with a median asking price of $1,005. Based on 39 priced salvage yard listings across the US, updated Sep 1, 2026. Prices exclude shipping, core charges, and installation.
USD
Condition comparison
Price by part grade
Grade AClean / low wearUpdating
Grade BStandard usedUpdating
Grade CVisible wearUpdating
Grade XUngraded$595–$1,46739 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | Updating | — | |
| Grade BStandard used | Updating | — | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | $595–$1,467 | 39 |
Trim-specific context
How does the Sedan, lip spoiler (Si) compare?
This pricing covers the Sedan, lip spoiler (Si) variant of the 2021 GMC Sierra 1500 tailgate, based on 39 priced listings. Its $1,005 median is 10% below the 2021 GMC Sierra 1500 tailgate overall median of $1,115.
There are 3 other tailgate variants available for the 2021 GMC Sierra 1500.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same year, other trims
What other 2021 GMC Sierra 1500 tailgate variants are available?
Back to full guide
2021 GMC Sierra 1500 tailgate — all trims
Common questions
2021 GMC Sierra 1500 tailgate (Sedan, lip spoiler (Si)) FAQ
How much is a used 2021 GMC Sierra 1500 tailgate (Sedan, lip spoiler (Si))?
Based on 39 priced salvage-yard listings, a used 2021 GMC Sierra 1500 tailgate in the Sedan, lip spoiler (Si) variant lists between $595 and $1,467, with a median asking price of $1,005.
Which years use the Sedan, lip spoiler (Si) tailgate?
In our current dataset, the Sedan, lip spoiler (Si) variant appears only for the 2021 model year.