Buick Regal engine — 3.6L (VIN S, 8th digit, opt LGX) price snapshot
- Low
- $1,200
- Average
- $1,892
- High
- $2,637

Trim-specific price guide
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.
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.
A used Buick Regal engine (3.6L (VIN S, 8th digit, opt LGX)) costs $1,200 to $2,637, with a median asking price of $1,825. Based on 92 priced salvage yard listings across the US, updated Oct 12, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $1,300–$2,637 | 84 | |
| Grade BStandard used | $1,200–$1,500 | 5 | |
| Grade XUngraded | $2,200–$2,200 | 3 |
Median by grade
Median asking price by seller-reported condition grade · $1,200–$2,637 overall range
Trim-specific context
This pricing covers the 3.6L (VIN S, 8th digit, opt LGX) variant of the Buick Regal engine, based on 92 priced listings across 3 model years (2018, 2019, 2020). Its $1,825 median is 1% above the Buick Regal engine overall median of $1,801.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Price by model year
Other trims
Common questions
Based on 92 priced salvage-yard listings across 3 model years, a used Buick Regal engine in the 3.6L (VIN S, 8th digit, opt LGX) variant lists between $1,200 and $2,637, with a median asking price of $1,825.
The 3.6L (VIN S, 8th digit, opt LGX) variant appears in model years 2018, 2019, 2020. Prices and availability differ by year.
Yes. Grade A has a median of $1,835, Grade B has a median of $1,500. Grade A parts are in excellent condition, B is good, and C is fair.