2018 Infiniti QX80 transmission — AT, 4x2 price snapshot
- Low
- $1,175
- Average
- $2,060
- High
- $3,439

Year & 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 2018 Infiniti QX80 transmission (AT, 4x2) costs $1,175 to $3,439, with a median asking price of $1,968. Based on 44 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 | $1,175–$3,439 | 28 | |
| Grade BStandard used | $1,288–$2,216 | 14 | |
| Grade XUngraded | $2,200–$2,300 | 2 |
Median by grade
Median asking price by seller-reported condition grade · $1,175–$3,439 overall range
Trim-specific context
This pricing covers the AT, 4x2 variant of the 2018 Infiniti QX80 transmission, based on 44 priced listings. Its $1,968 median is 30% below the 2018 Infiniti QX80 transmission overall median of $2,800.
There is 1 other transmission variant available for the 2018 Infiniti QX80.
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
Back to full guide
Common questions
Based on 44 priced salvage-yard listings, a used 2018 Infiniti QX80 transmission in the AT, 4x2 variant lists between $1,175 and $3,439, with a median asking price of $1,968.
The AT, 4x2 variant appears in model years 2015, 2016, 2018, 2019. Prices and availability may differ by year.