2021 GMC Terrain tail light — SL, liftgate mounted, RH price snapshot
- Low
- $67
- Average
- $134
- High
- $245

Year & trim-specific price guide
A used 2021 GMC Terrain tail light (SL, liftgate mounted, RH) costs $67 to $245, with a median asking price of $121. Based on 45 priced salvage yard listings across the US, updated Sep 11, 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 | $67–$245 | 45 |
Trim-specific context
This pricing covers the SL, liftgate mounted, RH variant of the 2021 GMC Terrain tail light, based on 45 priced listings. Its $121 median is 30% below the 2021 GMC Terrain tail light overall median of $174.
There are 15 other tail light variants available for the 2021 GMC Terrain.
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
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Common questions
Based on 45 priced salvage-yard listings, a used 2021 GMC Terrain tail light in the SL, liftgate mounted, RH variant lists between $67 and $245, with a median asking price of $121.
The SL, liftgate mounted, RH variant appears in model years 2017, 2020, 2021. Prices and availability may differ by year.