2021 Peterbilt 579 X15 — Used Market Prices & Trends
246 active listings · median 440,803 mi
Prices on this page are asking prices from live dealer listings, not sale prices. Methodology →
Asking Price Range
Insufficient data
one dealer holds 64% of priced listings
90-Day Change
—
Active Listings
246
Median Odometer
440,803 mi
Asking-Price Range by Model Year
Typical asking-price range (middle 50% of listings) from 946 priced Peterbilt 579 listings across 32 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–$191,473 | 163 |
| 2026b | $179,500–$188,500 | 10 |
| 2025c | $136,650–$215,000 | 15 |
| 2024d | $79,900–$97,900 | 65 |
| 2023 | $63,000–$76,900 |
The 2021 Peterbilt 579 powered by the X15 is currently represented by 246 active listings on TruckRadar. Listed units show a median odometer reading of about 440,803 miles. Most are configured as conventional cab with tandem rear axle (6x4) drivetrains, commonly paired with EEO-16F112C12 and 12SPDAUTO transmissions. Geographically, the largest concentrations of 2021 579 inventory sit in North Carolina, Ohio, and Missouri. 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 | 49 |
| Ohio | 35 |
| Missouri | 23 |
| Texas | 21 |
| Oregon | 11 |
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 246 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, Missouri.
What is the typical mileage on a 2021 Peterbilt 579 X15 for sale?
The median odometer reading is 440,803 miles. Used commercial trucks typically sell in the 300,000–700,000 mile range.
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