2021 Peterbilt 579 X15 — Used Market Prices & Trends
218 active listings · median 428,986 mi
Prices on this page are asking prices from live dealer listings, not sale prices. Methodology →
Asking Price Range
Insufficient data
one dealer holds 60% of priced listings
90-Day Change
—
Active Listings
218
Median Odometer
428,986 mi
Asking-Price Range by Model Year
Typical asking-price range (middle 50% of listings) from 951 priced Peterbilt 579 listings across 33 dealers, observed over the last 180 days. These are asking prices from live listings — not sale prices. Years with too few priced listings, or dominated by one dealer, show “insufficient data.” How we calculate this →
| Model Year | Typical Asking Range | Priced Listings |
|---|---|---|
| 2027a | $175,358–$191,924.75 | 160 |
| 2025a | $152,500–$206,000 | 18 |
| 2024b | $79,900–$98,654 | 69 |
| 2023 | $63,900–$75,900 | 176 |
| 2022c | $57,899.25–$66,700 |
The 2021 Peterbilt 579 powered by the X15 is currently represented by 218 active listings on TruckRadar. Listed units show a median odometer reading of about 428,986 miles. Most are configured as conventional cab with tandem rear axle (6x4) drivetrains, commonly paired with EEO-16F112C12 and PO-16F112C12 transmissions. Geographically, the largest concentrations of 2021 579 inventory sit in North Carolina, Ohio, and Texas. TruckRadar is not publishing a median asking price for this configuration because its priced listings are concentrated with a single dealer, so a median would reflect one seller's pricing rather than the broader market. To gauge pricing, review the individual active listings below — each shows the dealer's own asking price directly. Buyers comparing this configuration often also evaluate the 389 and 567. All figures reflect active dealer listings on TruckRadar and are asking prices, not sale prices.
Typical Configuration
Cab Type
conventional
Axle Config
6x4
Common Transmission
EEO-16F112C12
Active Listings
Regional Breakdown
| State | Active Listings |
|---|---|
| North Carolina | 36 |
| Ohio | 34 |
| Texas | 22 |
| Missouri | 16 |
| Arkansas | 9 |
2021 Peterbilt 579 X15 — Frequently Asked Questions
What is the average price of a 2021 Peterbilt 579 X15?
TruckRadar does not yet have enough independent priced 2021 Peterbilt 579 X15 listings to publish a reliable asking-price range for this model year.
How many 2021 Peterbilt 579 X15s are for sale right now?
TruckRadar shows 218 active 2021 Peterbilt 579 X15 listings from dealers nationwide, updated daily.
What states have the most 2021 Peterbilt 579 X15 inventory?
The most 2021 Peterbilt 579 X15 inventory is concentrated in North Carolina, Ohio, Texas.
What is the typical mileage on a 2021 Peterbilt 579 X15 for sale?
The median odometer reading is 428,986 miles. Used commercial trucks typically sell in the 300,000–700,000 mile range.
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