2021 GMC Terrain tail light — Denali, liftgate mounted, LH price snapshot
- Low
- $120
- Average
- $186
- High
- $292

Year & trim-specific price guide
A used 2021 GMC Terrain tail light (Denali, liftgate mounted, LH) costs $120 to $292, with a median asking price of $168. Based on 37 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 | $120–$292 | 37 |
Trim-specific context
This pricing covers the Denali, liftgate mounted, LH variant of the 2021 GMC Terrain tail light, based on 37 priced listings. Its $168 median is 3% 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 37 priced salvage-yard listings, a used 2021 GMC Terrain tail light in the Denali, liftgate mounted, LH variant lists between $120 and $292, with a median asking price of $168.
The Denali, liftgate mounted, LH variant appears in model years 2017, 2020, 2021, 2023. Prices and availability may differ by year.