2018 GMC Terrain side mirror — (power), body color, w/o blind spot alert; w/o turn signal; LH price snapshot
- Low
- $76
- Average
- $158
- High
- $201

Year & trim-specific price guide
Saurabh Kumar
Co-Founder & CTO, Part Price Guide
Built the pricing pipeline that collects and normalizes used OEM part listings from salvage yards and online marketplaces across the US.
Ambika Sharma
Co-Founder & COO, Part Price Guide
12 years of project management and technical operations experience. Reviews price guides for sample size, fitment accuracy, and data freshness.
A used 2018 GMC Terrain side mirror ((power), body color, w/o blind spot alert; w/o turn signal; LH) costs $76 to $201, with a median asking price of $185. Based on 28 priced salvage yard listings across the US, updated Sep 13, 2026. Prices exclude shipping, core charges, and installation.
Trim-specific context
This pricing covers the (power), body color, w/o blind spot alert; w/o turn signal; LH variant of the 2018 GMC Terrain side mirror, based on 28 priced listings. Its $185 median is 27% above the 2018 GMC Terrain side mirror overall median of $146.
There are 11 other side 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
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Common questions
Based on 28 priced salvage-yard listings, a used 2018 GMC Terrain side mirror in the (power), body color, w/o blind spot alert; w/o turn signal; LH variant lists between $76 and $201, with a median asking price of $185.
The (power), body color, w/o blind spot alert; w/o turn signal; LH variant appears in model years 2018, 2019, 2021. Prices and availability may differ by year.