Used GMC Sierra 1500 transmission – AT, 4x4, 5.3L, 8 speed, opt M5U, ID 6U3L

Trim-specific price guide

GMC Sierra 1500 Transmission — AT, 4x4, 5.3L, 8 speed, opt M5U, ID 6U3L prices

Pricing for the AT, 4x4, 5.3L, 8 speed, opt M5U, ID 6U3L variant of the GMC Sierra 1500 transmission, aggregated from 61 salvage yard listings across 2 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, 5.3L, 8 speed, opt M5U, ID 6U3L) costs $2,000 to $4,200, with a median asking price of $3,700. Based on 61 priced salvage yard listings across the US, updated Oct 24, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$3,700
Grade B (good)$3,895
Grade C (fair)$2,000

GMC Sierra 1500 transmission — AT, 4x4, 5.3L, 8 speed, opt M5U, ID 6U3L price snapshot

USD
Low
$2,000
Average
$3,396
High
$4,200
61 priced listings across 2 model years· How we price·

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Reporting price for GMC Sierra 1500 Transmission (AT, 4x4, 5.3L, 8 speed, opt M5U, ID 6U3L)

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Condition comparison

Price by part grade

Grade AClean / low wear$2,000–$4,20022 listings
Grade BStandard used$3,000–$3,8958 listings
Grade CVisible wear$2,000–$2,0001 listings
Grade XUngraded$2,000–$4,14530 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $2,000–$4,200 overall range

Trim-specific context

How is the AT, 4x4, 5.3L, 8 speed, opt M5U, ID 6U3L priced differently?

This pricing covers the AT, 4x4, 5.3L, 8 speed, opt M5U, ID 6U3L variant of the GMC Sierra 1500 transmission, based on 61 priced listings across 2 model years (2016, 2017). Its $3,700 median is 47% 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, 5.3L, 8 speed, opt M5U, ID 6U3L cost by year?

Other trims

Other GMC Sierra 1500 transmission variants

Common questions

GMC Sierra 1500 transmission (AT, 4x4, 5.3L, 8 speed, opt M5U, ID 6U3L) FAQ

How much is a used GMC Sierra 1500 transmission (AT, 4x4, 5.3L, 8 speed, opt M5U, ID 6U3L)?

Based on 61 priced salvage-yard listings across 2 model years, a used GMC Sierra 1500 transmission in the AT, 4x4, 5.3L, 8 speed, opt M5U, ID 6U3L variant lists between $2,000 and $4,200, with a median asking price of $3,700.

Which GMC Sierra 1500 years use the AT, 4x4, 5.3L, 8 speed, opt M5U, ID 6U3L transmission?

The AT, 4x4, 5.3L, 8 speed, opt M5U, ID 6U3L variant appears in model years 2016, 2017. Prices and availability differ by year.

Is there a price difference between AT, 4x4, 5.3L, 8 speed, opt M5U, ID 6U3L condition grades?

Yes. Grade A has a median of $3,700, Grade B has a median of $3,895, Grade C has a median of $2,000. Grade A parts are in excellent condition, B is good, and C is fair.

GMC Sierra 1500 Transmission · AT, 4x4, 5.3L, 8 speed, opt M5U, ID 6U3L Prices | Part Price Guide