2021 GMC Acadia door assembly — AT4, LH (express power up and down) price snapshot
- Low
- $375
- Average
- $748
- High
- $1,056
Year & trim-specific price guide
A used 2021 GMC Acadia door assembly (AT4, LH (express power up and down)) costs $375 to $1,056, with a median asking price of $756. Based on 29 priced salvage yard listings across the US, updated Sep 12, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | Updating | — | |
| Grade BStandard used | Updating | — | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | $375–$1,056 | 29 |
Trim-specific context
This pricing covers the AT4, LH (express power up and down) variant of the 2021 GMC Acadia door assembly, based on 29 priced listings. Its $756 median is 8% above the 2021 GMC Acadia door assembly overall median of $700.
There are 9 other door assembly variants available for the 2021 GMC Acadia.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same year, other trims
Back to full guide
Common questions
Based on 29 priced salvage-yard listings, a used 2021 GMC Acadia door assembly in the AT4, LH (express power up and down) variant lists between $375 and $1,056, with a median asking price of $756.
In our current dataset, the AT4, LH (express power up and down) variant appears only for the 2021 model year.