Used GMC Sierra 1500 transmission – AT, 4x4, 6.2L, (8 speed transmission, opt M5U)

Trim-specific price guide

GMC Sierra 1500 Transmission — AT, 4x4, 6.2L, (8 speed transmission, opt M5U) prices

Pricing for the AT, 4x4, 6.2L, (8 speed transmission, opt M5U) variant of the GMC Sierra 1500 transmission, aggregated from 109 salvage yard listings across 3 model years.
SKWritten bySaurabh Kumar · Co-Founder & CTO
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedOct 24, 2026
Price summary

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.

Grade A (excellent)$2,645
Grade B (good)$2,313

GMC Sierra 1500 transmission — AT, 4x4, 6.2L, (8 speed transmission, opt M5U) price snapshot

USD
Low
$1,800
Average
$2,705
High
$5,000
109 priced listings across 3 model years· How we price·

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Reporting price for GMC Sierra 1500 Transmission (AT, 4x4, 6.2L, (8 speed transmission, opt M5U))

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Condition comparison

Price by part grade

Grade AClean / low wear$1,800–$4,08577 listings
Grade BStandard used$1,838–$3,67821 listings
Grade XUngraded$1,850–$5,00011 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $1,800–$5,000 overall range

Trim-specific context

How is the AT, 4x4, 6.2L, (8 speed transmission, opt M5U) priced differently?

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

What does a AT, 4x4, 6.2L, (8 speed transmission, opt M5U) cost by year?

Other trims

Other GMC Sierra 1500 transmission variants

Common questions

GMC Sierra 1500 transmission (AT, 4x4, 6.2L, (8 speed transmission, opt M5U)) FAQ

How much is a used GMC Sierra 1500 transmission (AT, 4x4, 6.2L, (8 speed transmission, opt M5U))?

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.

Which GMC Sierra 1500 years use the AT, 4x4, 6.2L, (8 speed transmission, opt M5U) transmission?

The AT, 4x4, 6.2L, (8 speed transmission, opt M5U) variant appears in model years 2015, 2016, 2017. Prices and availability differ by year.

Is there a price difference between AT, 4x4, 6.2L, (8 speed transmission, opt M5U) condition grades?

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.

GMC Sierra 1500 Transmission · AT, 4x4, 6.2L, (8 speed transmission, opt M5U) Prices | Part Price Guide