Used 2020 GMC Sierra 1500 transmission – (AT), 4x4, 2.7L

Year & trim-specific price guide

Used 2020 GMC Sierra 1500 Transmission(AT), 4x4, 2.7L prices

Trim-specific pricing for the (AT), 4x4, 2.7L variant of the 2020 GMC Sierra 1500 transmission, built from 43 real salvage yard listings with condition grade detail.
Price summary

A used 2020 GMC Sierra 1500 transmission ((AT), 4x4, 2.7L) costs $2,400 to $5,275, with a median asking price of $3,020. Based on 43 priced salvage yard listings across the US, updated Aug 3, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$3,078
Grade B (good)$2,975

2020 GMC Sierra 1500 transmission — (AT), 4x4, 2.7L price snapshot

USD
Low
$2,400
Average
$3,257
High
$5,275
43 priced listings used · last updated Aug 3, 2026· How we price·

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Reporting price for 2020 GMC Sierra 1500 Transmission ((AT), 4x4, 2.7L)

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Condition comparison

Price by part grade

Grade AClean / low wear$2,946$5,27517 listings
Grade BStandard used$2,400$4,16926 listings
Grade CVisible wearUpdating
Grade XUngradedUpdating

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $2,400$5,275 overall range

Trim-specific context

How does the (AT), 4x4, 2.7L compare?

This pricing covers the (AT), 4x4, 2.7L variant of the 2020 GMC Sierra 1500 transmission, based on 43 priced listings. Its $3,020 median is 5% above the 2020 GMC Sierra 1500 transmission overall median of $2,883.

There are 11 other transmission variants available for the 2020 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), 4x4, 2.7L in other model years

Same year, other trims

What other 2020 GMC Sierra 1500 transmission variants are available?

Back to full guide

2020 GMC Sierra 1500 transmission — all trims

Common questions

2020 GMC Sierra 1500 transmission ((AT), 4x4, 2.7L) FAQ

How much is a used 2020 GMC Sierra 1500 transmission ((AT), 4x4, 2.7L)?

Based on 43 priced salvage-yard listings, a used 2020 GMC Sierra 1500 transmission in the (AT), 4x4, 2.7L variant lists between $2,400 and $5,275, with a median asking price of $3,020.

Which years use the (AT), 4x4, 2.7L transmission?

The (AT), 4x4, 2.7L variant appears in model years 2020, 2021, 2023, 2024, 2025. Prices and availability may differ by year.