2018 GMC Sierra 1500 transmission — (AT), 4x4, 6.2L, 10 speed (opt MF6) price snapshot
- Low
- $1,750
- Average
- $2,703
- High
- $4,676

Year & trim-specific price guide
A used 2018 GMC Sierra 1500 transmission ((AT), 4x4, 6.2L, 10 speed (opt MF6)) costs $1,750 to $4,676, with a median asking price of $2,450. Based on 33 priced salvage yard listings across the US, updated Aug 18, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $1,750–$3,500 | 14 | |
| Grade BStandard used | $2,000–$2,917 | 10 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | $2,150–$4,676 | 9 |
Median by grade
Median asking price by seller-reported condition grade · $1,750–$4,676 overall range
Trim-specific context
This pricing covers the (AT), 4x4, 6.2L, 10 speed (opt MF6) variant of the 2018 GMC Sierra 1500 transmission, based on 33 priced listings. Its $2,450 median is 7% below the 2018 GMC Sierra 1500 transmission overall median of $2,642.
There are 13 other transmission variants available for the 2018 GMC Sierra 1500.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same year, other trims
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Common questions
Based on 33 priced salvage-yard listings, a used 2018 GMC Sierra 1500 transmission in the (AT), 4x4, 6.2L, 10 speed (opt MF6) variant lists between $1,750 and $4,676, with a median asking price of $2,450.
In our current dataset, the (AT), 4x4, 6.2L, 10 speed (opt MF6) variant appears only for the 2018 model year.