2020 GMC Terrain tail light — SLT, quarter panel mounted, RH price snapshot
- Low
- $70
- Average
- $224
- High
- $410

Year & trim-specific price guide
A used 2020 GMC Terrain tail light (SLT, quarter panel mounted, RH) costs $70 to $410, with a median asking price of $216. Based on 43 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 | $70–$410 | 43 |
Trim-specific context
This pricing covers the SLT, quarter panel mounted, RH variant of the 2020 GMC Terrain tail light, based on 43 priced listings. Its $216 median is 24% above the 2020 GMC Terrain tail light overall median of $174.
There are 15 other tail light variants available for the 2020 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
Back to full guide
Common questions
Based on 43 priced salvage-yard listings, a used 2020 GMC Terrain tail light in the SLT, quarter panel mounted, RH variant lists between $70 and $410, with a median asking price of $216.
The SLT, quarter panel mounted, RH variant appears in model years 2016, 2017, 2020, 2021, 2023. Prices and availability may differ by year.