2021 GMC Acadia tail light — AT4, quarter panel mounted, LH price snapshot
- Low
- $200
- Average
- $325
- High
- $558
Year & trim-specific price guide
Used 2021 GMC Acadia Tail Light — AT4, quarter panel mounted, LH prices
Trim-specific pricing for the AT4, quarter panel mounted, LH variant of the 2021 GMC Acadia tail light, built from 50 real salvage yard listings with condition grade detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
SK
Saurabh Kumar
Co-Founder & CTO, Part Price Guide
Built the pricing pipeline that collects and normalizes used OEM part listings from salvage yards and online marketplaces across the US.
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedSep 18, 2026AS
Ambika Sharma
Co-Founder & COO, Part Price Guide
12 years of project management and technical operations experience. Reviews price guides for sample size, fitment accuracy, and data freshness.
Price summary
A used 2021 GMC Acadia tail light (AT4, quarter panel mounted, LH) costs $200 to $558, with a median asking price of $289. Based on 50 priced salvage yard listings across the US, updated Sep 18, 2026. Prices exclude shipping, core charges, and installation.
USD
Trim-specific context
How does the AT4, quarter panel mounted, LH compare?
This pricing covers the AT4, quarter panel mounted, LH variant of the 2021 GMC Acadia tail light, based on 50 priced listings. Its $289 median is 14% above the 2021 GMC Acadia tail light overall median of $254.
There are 18 other tail light 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 trim, other years
AT4, quarter panel mounted, LH in other model years
Same year, other trims
What other 2021 GMC Acadia tail light variants are available?
Denali, lid mounted, LH
50 listings$179$100 – $322Denali, lid mounted, RH
50 listings$187$125 – $262Denali, quarter panel mounted, LH
50 listings$493$295 – $670Denali, quarter panel mounted, RH
50 listings$510$235 – $606SL, lid mounted, LH
50 listings$179$100 – $322SL, lid mounted, RH
50 listings$187$125 – $262SL, quarter panel mounted, RH
50 listings$510$235 – $606SLE, lid mounted, LH
50 listings$179$100 – $322SLE, lid mounted, RH
50 listings$187$125 – $262SLT, lid mounted, LH
50 listings$179$100 – $322SLE, quarter panel mounted, RH
48 listings$510$235 – $606AT4, quarter panel mounted, RH
47 listings$340$200 – $525SLT, lid mounted, RH
31 listings$187$125 – $262AT4, lid mounted, RH
30 listings$154$50 – $262SLT, quarter panel mounted, RH
30 listings$505$300 – $606SLE, quarter panel mounted, LH
28 listings$495$300 – $606AT4, lid mounted, LH
14 listings$120$75 – $160SL, quarter panel mounted, LH
10 listings$493$300 – $560Back to full guide
2021 GMC Acadia tail light — all trims
Common questions
2021 GMC Acadia tail light (AT4, quarter panel mounted, LH) FAQ
How much is a used 2021 GMC Acadia tail light (AT4, quarter panel mounted, LH)?
Based on 50 priced salvage-yard listings, a used 2021 GMC Acadia tail light in the AT4, quarter panel mounted, LH variant lists between $200 and $558, with a median asking price of $289.
Which years use the AT4, quarter panel mounted, LH tail light?
The AT4, quarter panel mounted, LH variant appears in model years 2021, 2022, 2023, 2024. Prices and availability may differ by year.