Used GMC Sierra 1500 transmission – (AT), 4x2, 5.3L, 6 speed (opt MYC)

Trim-specific price guide

GMC Sierra 1500 Transmission — (AT), 4x2, 5.3L, 6 speed (opt MYC) prices

Pricing for the (AT), 4x2, 5.3L, 6 speed (opt MYC) variant of the GMC Sierra 1500 transmission, aggregated from 79 salvage yard listings across 2 model years.

2020 GMC Sierra 1500 · (AT), 4x2, 5.3L, 6 speed (opt MYC)

$2,300

median asking price

37 priced listings · $1,597–$2,800

Price summary

A used GMC Sierra 1500 transmission ((AT), 4x2, 5.3L, 6 speed (opt MYC)) costs $1,597 to $3,150, with a median asking price of $2,450. Based on 79 priced salvage yard listings across the US, updated Sep 9, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$2,747
Grade B (good)$2,386

GMC Sierra 1500 transmission — (AT), 4x2, 5.3L, 6 speed (opt MYC) price snapshot

USD
Low
$1,597
Average
$2,366
High
$3,150
79 priced listings across 2 model years· How we price·

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Reporting price for GMC Sierra 1500 Transmission ((AT), 4x2, 5.3L, 6 speed (opt MYC))

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Condition comparison

Price by part grade

Grade AClean / low wear$1,850–$3,01132 listings
Grade BStandard used$1,597–$2,73829 listings
Grade CVisible wearUpdating
Grade XUngraded$1,800–$3,15018 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $1,597–$3,150 overall range

Trim-specific context

How is the (AT), 4x2, 5.3L, 6 speed (opt MYC) priced differently?

This pricing covers the (AT), 4x2, 5.3L, 6 speed (opt MYC) variant of the GMC Sierra 1500 transmission, based on 79 priced listings across 2 model years (2020, 2021). Its $2,450 median is 3% below the GMC Sierra 1500 transmission overall median of $2,528.

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), 4x2, 5.3L, 6 speed (opt MYC) cost by year?

202037 listings$2,300$1,597 – $2,800202142 listings$2,450$1,850 – $3,150

Other trims

Other GMC Sierra 1500 transmission variants

Full Sierra 1500 guide

AT, 4x2, 6.2L, (8 speed transmission, opt M5U)

1 yr$2,688$2,299 – $3,910

AT, 4x4, 6.2L, (8 speed transmission, opt M5U)

1 yr$2,200$1,800 – $3,978

AT, 4x2, 5.3L, 6 speed (opt MYC), tow package (opt NHT)

2 yrs$2,500$1,950 – $3,225

AT, 4x2, 5.3L, 6 speed (opt MYC), w/o tow package

2 yrs$2,400$790 – $3,662

AT, 4x2, 5.3L, 8 speed, opt M5U, ID 5U0L

1 yr$2,688$2,338 – $3,910

AT, 4x2, 5.3L, 8 speed, opt M5U, ID 5UFL

1 yr$2,760$2,210 – $3,910

AT, 4x2, 5.3L, 8 speed, opt M5U, ID 5UHL

1 yr$2,760$2,210 – $3,910

AT, 4x2, 5.3L, 8 speed, opt M5U, ID 6U2L

1 yr$3,910$2,650 – $4,145

AT, 4x2, 5.3L, 8 speed, opt M5U, ID 6U7L

1 yr$3,910$2,199 – $5,639

Common questions

GMC Sierra 1500 transmission ((AT), 4x2, 5.3L, 6 speed (opt MYC)) FAQ

How much is a used GMC Sierra 1500 transmission ((AT), 4x2, 5.3L, 6 speed (opt MYC))?

Based on 79 priced salvage-yard listings across 2 model years, a used GMC Sierra 1500 transmission in the (AT), 4x2, 5.3L, 6 speed (opt MYC) variant lists between $1,597 and $3,150, with a median asking price of $2,450.

Which GMC Sierra 1500 years use the (AT), 4x2, 5.3L, 6 speed (opt MYC) transmission?

The (AT), 4x2, 5.3L, 6 speed (opt MYC) variant appears in model years 2020, 2021. Prices and availability differ by year.

Is there a price difference between (AT), 4x2, 5.3L, 6 speed (opt MYC) condition grades?

Yes. Grade A has a median of $2,747, Grade B has a median of $2,386. Grade A parts are in excellent condition, B is good, and C is fair.