2021 GMC Sierra 1500 engine — 5.3L, opt L84 (VIN D, 8th digit) price snapshot
- Low
- $800
- Average
- $3,932
- High
- $5,250

Year & trim-specific price guide
A used 2021 GMC Sierra 1500 engine (5.3L, opt L84 (VIN D, 8th digit)) costs $800 to $5,250, with a median asking price of $4,150. Based on 36 priced salvage yard listings across the US, updated Aug 5, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $3,393–$5,250 | 12 | |
| Grade BStandard used | $1,500–$5,239 | 15 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | $800–$4,800 | 9 |
Median by grade
Median asking price by seller-reported condition grade · $800–$5,250 overall range
Trim-specific context
This pricing covers the 5.3L, opt L84 (VIN D, 8th digit) variant of the 2021 GMC Sierra 1500 engine, based on 36 priced listings. Its $4,150 median is 6% below the 2021 GMC Sierra 1500 engine overall median of $4,405.
There are 5 other engine variants available for the 2021 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
Same year, other trims
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Common questions
Based on 36 priced salvage-yard listings, a used 2021 GMC Sierra 1500 engine in the 5.3L, opt L84 (VIN D, 8th digit) variant lists between $800 and $5,250, with a median asking price of $4,150.
The 5.3L, opt L84 (VIN D, 8th digit) variant appears in model years 2020, 2021. Prices and availability may differ by year.