2020 GMC Canyon transmission — AT, 3.6L (8 speed, opt M5T), 4x2 price snapshot
- Low
- $2,200
- Average
- $2,943
- High
- $3,900

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 2020 GMC Canyon transmission (AT, 3.6L (8 speed, opt M5T), 4x2) costs $2,200 to $3,900, with a median asking price of $2,948. Based on 26 priced salvage yard listings across the US, updated Sep 15, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $2,200–$3,448 | 18 | |
| Grade BStandard used | $2,450–$2,948 | 3 | |
| Grade XUngraded | $2,250–$3,900 | 5 |
Median by grade
Median asking price by seller-reported condition grade · $2,200–$3,900 overall range
Trim-specific context
This pricing covers the AT, 3.6L (8 speed, opt M5T), 4x2 variant of the 2020 GMC Canyon transmission, based on 26 priced listings. Its $2,948 median is 46% above the 2020 GMC Canyon transmission overall median of $2,025.
There are 5 other transmission 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
Back to full guide
Common questions
Based on 26 priced salvage-yard listings, a used 2020 GMC Canyon transmission in the AT, 3.6L (8 speed, opt M5T), 4x2 variant lists between $2,200 and $3,900, with a median asking price of $2,948.
The AT, 3.6L (8 speed, opt M5T), 4x2 variant appears in model years 2017, 2018, 2019, 2020, 2021, 2022. Prices and availability may differ by year.