Used 2021 GMC Terrain transmission – (AT), FWD

Year & trim-specific price guide

Used 2021 GMC Terrain Transmission — (AT), FWD prices

Trim-specific pricing for the (AT), FWD variant of the 2021 GMC Terrain transmission, built from 47 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 2021 GMC Terrain transmission ((AT), FWD) costs $175 to $900, with a median asking price of $465. Based on 47 priced salvage yard listings across the US, updated Sep 23, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$500
Grade B (good)$350

2021 GMC Terrain transmission — (AT), FWD price snapshot

USD
Low
$175
Average
$465
High
$900
47 priced listings used · last updated Sep 23, 2026· How we price·

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Reporting price for 2021 GMC Terrain Transmission ((AT), FWD)

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Condition comparison

Price by part grade

Grade AClean / low wear$221–$90025 listings
Grade BStandard used$175–$56417 listings
Grade XUngraded$550–$6505 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $175–$900 overall range

Trim-specific context

How does the (AT), FWD compare?

This pricing covers the (AT), FWD variant of the 2021 GMC Terrain transmission, based on 47 priced listings. Its $465 median is 7% below the 2021 GMC Terrain transmission overall median of $500.

There is 1 other transmission variant available for the 2021 GMC Terrain.

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), FWD in other model years

Same year, other trims

What other 2021 GMC Terrain transmission variants are available?

Back to full guide

2021 GMC Terrain transmission — all trims

Common questions

2021 GMC Terrain transmission ((AT), FWD) FAQ

How much is a used 2021 GMC Terrain transmission ((AT), FWD)?

Based on 47 priced salvage-yard listings, a used 2021 GMC Terrain transmission in the (AT), FWD variant lists between $175 and $900, with a median asking price of $465.

Which years use the (AT), FWD transmission?

The (AT), FWD variant appears in model years 2021, 2023, 2024. Prices and availability may differ by year.

2021 GMC Terrain Transmission · (AT), FWD Prices | Part Price Guide