GMC Sierra 1500 transmission — AT, 4x4, 6.2L, (8 speed transmission, opt M5U) price snapshot
- Low
- $1,800
- Average
- $2,705
- High
- $5,000

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 GMC Sierra 1500 transmission (AT, 4x4, 6.2L, (8 speed transmission, opt M5U)) costs $1,800 to $5,000, with a median asking price of $2,599. Based on 109 priced salvage yard listings across the US, updated Oct 24, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $1,800–$4,085 | 77 | |
| Grade BStandard used | $1,838–$3,678 | 21 | |
| Grade XUngraded | $1,850–$5,000 | 11 |
Median by grade
Median asking price by seller-reported condition grade · $1,800–$5,000 overall range
Trim-specific context
This pricing covers the AT, 4x4, 6.2L, (8 speed transmission, opt M5U) variant of the GMC Sierra 1500 transmission, based on 109 priced listings across 3 model years (2015, 2016, 2017). Its $2,599 median is 3% above the GMC Sierra 1500 transmission overall median of $2,525.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Price by model year
Other trims
Common questions
Based on 109 priced salvage-yard listings across 3 model years, a used GMC Sierra 1500 transmission in the AT, 4x4, 6.2L, (8 speed transmission, opt M5U) variant lists between $1,800 and $5,000, with a median asking price of $2,599.
The AT, 4x4, 6.2L, (8 speed transmission, opt M5U) variant appears in model years 2015, 2016, 2017. Prices and availability differ by year.
Yes. Grade A has a median of $2,645, Grade B has a median of $2,313. Grade A parts are in excellent condition, B is good, and C is fair.