Used 2015 GMC Sierra 1500 transmission – AT, 4x2, 6.2L, (8 speed transmission, opt M5U)

Year & trim-specific price guide

Used 2015 GMC Sierra 1500 Transmission — AT, 4x2, 6.2L, (8 speed transmission, opt M5U) prices

Trim-specific pricing for the AT, 4x2, 6.2L, (8 speed transmission, opt M5U) variant of the 2015 GMC Sierra 1500 transmission, built from 8 real salvage yard listings with condition grade detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedSep 23, 2026
Price summary

A used 2015 GMC Sierra 1500 transmission (AT, 4x2, 6.2L, (8 speed transmission, opt M5U)) costs $2,283 to $3,447, with a median asking price of $2,616. Based on 8 priced salvage yard listings across the US, updated Sep 23, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$2,616

2015 GMC Sierra 1500 transmission — AT, 4x2, 6.2L, (8 speed transmission, opt M5U) price snapshot

USD
Low
$2,283
Average
$2,658
High
$3,447
8 priced listings used · last updated Sep 23, 2026· How we price·

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Reporting price for 2015 GMC Sierra 1500 Transmission (AT, 4x2, 6.2L, (8 speed transmission, opt M5U))

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Condition comparison

Price by part grade

Grade AClean / low wear$2,283–$3,4478 listings

Trim-specific context

How does the AT, 4x2, 6.2L, (8 speed transmission, opt M5U) compare?

This pricing covers the AT, 4x2, 6.2L, (8 speed transmission, opt M5U) variant of the 2015 GMC Sierra 1500 transmission, based on 8 priced listings. Its $2,616 median is 10% above the 2015 GMC Sierra 1500 transmission overall median of $2,377.

There are 7 other transmission variants available for the 2015 GMC Sierra 1500.

Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.

Same trim, other years

AT, 4x2, 6.2L, (8 speed transmission, opt M5U) in other model years

Same year, other trims

What other 2015 GMC Sierra 1500 transmission variants are available?

Back to full guide

2015 GMC Sierra 1500 transmission — all trims

Common questions

2015 GMC Sierra 1500 transmission (AT, 4x2, 6.2L, (8 speed transmission, opt M5U)) FAQ

How much is a used 2015 GMC Sierra 1500 transmission (AT, 4x2, 6.2L, (8 speed transmission, opt M5U))?

Based on 8 priced salvage-yard listings, a used 2015 GMC Sierra 1500 transmission in the AT, 4x2, 6.2L, (8 speed transmission, opt M5U) variant lists between $2,283 and $3,447, with a median asking price of $2,616.

Which years use the AT, 4x2, 6.2L, (8 speed transmission, opt M5U) transmission?

The AT, 4x2, 6.2L, (8 speed transmission, opt M5U) variant appears in model years 2015, 2016, 2017. Prices and availability may differ by year.

2015 GMC Sierra 1500 Transmission · AT, 4x2, 6.2L, (8 speed transmission, opt M5U) Prices | Part Price Guide