Year & trim-specific price guide

Used 2020 GMC Sierra 1500 Quarter Panel — 8' box, LH prices

Trim-specific pricing for the 8' box, LH variant of the 2020 GMC Sierra 1500 quarter panel, built from 40 real salvage yard listings with condition grade detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedOct 21, 2026

2020 GMC Sierra 1500 · 8' box, LH

$585

median asking price

40 priced listings · $399–$770

Price summary

A used 2020 GMC Sierra 1500 quarter panel (8' box, LH) costs $399 to $770, with a median asking price of $585. Based on 40 priced salvage yard listings across the US, updated Oct 21, 2026. Prices exclude shipping, core charges, and installation.

2020 GMC Sierra 1500 quarter panel — 8' box, LH price snapshot

USD
Low
$399
Average
$603
High
$770
40 priced listings used · last updated Oct 21, 2026· How we price·

Report incorrect price

Reporting price for 2020 GMC Sierra 1500 Quarter Panel (8' box, LH)

Reason

Trim-specific context

How does the 8' box, LH compare?

This pricing covers the 8' box, LH variant of the 2020 GMC Sierra 1500 quarter panel, based on 40 priced listings. Its $585 median is 23% below the 2020 GMC Sierra 1500 quarter panel overall median of $755.

There are 7 other quarter panel 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

8' box, LH in other model years

All years
202510 listings$641$500 – $741202429 listings$650$399 – $760202329 listings$650$399 – $760202229 listings$650$399 – $760202129 listings$650$399 – $760201847 listings$425$250 – $830201727 listings$538$350 – $962201639 listings$528$300 – $950201546 listings$420$250 – $790

Same year, other trims

What other 2020 GMC Sierra 1500 quarter panel variants are available?

5' 9" box, w/o carbon fiber; RH

49 listings$950$300 – $1,097

6' 6" box, LH

44 listings$759$355 – $1,027

5' 9" box, w/o carbon fiber; LH

42 listings$755$250 – $1,086

6' 6" box, RH

39 listings$795$395 – $1,060

8' box, RH

18 listings$740$450 – $1,024

5' 9" box, carbon fiber (opt E3Z), LH

4 listings$765$756 – $1,185

5' 9" box, carbon fiber (opt E3Z), RH

4 listings$760$375 – $765

Back to full guide

2020 GMC Sierra 1500 quarter panel — all trims

View 2020 guide

Common questions

2020 GMC Sierra 1500 quarter panel (8' box, LH) FAQ

How much is a used 2020 GMC Sierra 1500 quarter panel (8' box, LH)?

Based on 40 priced salvage-yard listings, a used 2020 GMC Sierra 1500 quarter panel in the 8' box, LH variant lists between $399 and $770, with a median asking price of $585.

Which years use the 8' box, LH quarter panel?

The 8' box, LH variant appears in model years 2015, 2016, 2017, 2018, 2020, 2021, 2022, 2023, 2024, 2025. Prices and availability may differ by year.

2020 GMC Sierra 1500 Quarter Panel · 8' box, LH Prices | Part Price Guide