2018 GMC Terrain rear view mirror — automatic dimming (opt DD8), w/o forward collision warning price snapshot
- Low
- $40
- Average
- $187
- High
- $228

Year & trim-specific price guide
A used 2018 GMC Terrain rear view mirror (automatic dimming (opt DD8), w/o forward collision warning) costs $40 to $228, with a median asking price of $203. Based on 50 priced salvage yard listings across the US, updated Sep 9, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $110–$228 | 32 | |
| Grade BStandard used | $110–$228 | 17 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | $40–$40 | 1 |
Median by grade
Median asking price by seller-reported condition grade · $40–$228 overall range
Trim-specific context
This pricing covers the automatic dimming (opt DD8), w/o forward collision warning variant of the 2018 GMC Terrain rear view mirror, based on 50 priced listings. Its $203 median is 40% above the 2018 GMC Terrain rear view mirror overall median of $145.
There are 2 other rear view mirror variants available for the 2018 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 50 priced salvage-yard listings, a used 2018 GMC Terrain rear view mirror in the automatic dimming (opt DD8), w/o forward collision warning variant lists between $40 and $228, with a median asking price of $203.
The automatic dimming (opt DD8), w/o forward collision warning variant appears in model years 2018, 2021. Prices and availability may differ by year.