2020 GMC Canyon alternator — gasoline, 2.5L price snapshot
- Low
- $35
- Average
- $91
- High
- $306

Year & trim-specific price guide
A used 2020 GMC Canyon alternator (gasoline, 2.5L) costs $35 to $306, with a median asking price of $70. Based on 27 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 | $35–$306 | 23 | |
| Grade BStandard used | $71–$71 | 1 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | $70–$80 | 3 |
Median by grade
Median asking price by seller-reported condition grade · $35–$306 overall range
Trim-specific context
This pricing covers the gasoline, 2.5L variant of the 2020 GMC Canyon alternator, based on 27 priced listings. Its $70 median is 12% below the 2020 GMC Canyon alternator overall median of $80.
There are 2 other alternator variants available for the 2020 GMC Canyon.
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 27 priced salvage-yard listings, a used 2020 GMC Canyon alternator in the gasoline, 2.5L variant lists between $35 and $306, with a median asking price of $70.
The gasoline, 2.5L variant appears in model years 2017, 2020, 2022. Prices and availability may differ by year.