2021 Peterbilt 579 X15 — Used Market Prices & Trends
179 active listings · median 480,083 mi
Prices on this page are asking prices from live dealer listings, not sale prices. Methodology →
Asking Price Range
$50,900–$59,938
90-Day Change
-4.2%
Active Listings
179
Median Odometer
480,083 mi
Asking-Price Range by Model Year
Typical asking-price range (middle 50% of listings) from 696 priced Peterbilt 579 listings across 31 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 | $177,300–$202,900 | 109 |
| 2023 | $63,900–$76,912.5 | 208 |
| 2022b | $56,750–$65,950 | 109 |
| 2021c | $46,400–$58,900 | 190 |
| 2020 | $39,980–$53,050 |
90-Day Median Asking Price
The 2021 Peterbilt 579 powered by the X15 is currently represented by 179 active listings on TruckRadar, with a median asking price of $54,900 and median odometer reading of 480,083 miles. Over the past 90 days, asking prices have moved down 4.2%. Seasonal softening in the used truck market tends to occur as fleets delay purchasing decisions during slower freight periods. Most units listed are configured as conventional cab with tandem rear axle (6x4) drivetrains. Geographically, the largest concentrations of 2021 579 inventory sit in North Carolina, Texas, and Ohio, where regional pricing ranges from $40,950 to $60,900. Common transmission pairings include EEO-16F112C12 and 12SPDAUTO. Time on lot for the 2021 579 varies with mileage, spec, and condition, and is best gauged against similar active listings. Buyers comparing this configuration often also evaluate the 389 and 567. Pricing reflects active asking prices from dealers on TruckRadar and is not a substitute for a formal appraisal.
Typical Configuration
Cab Type
conventional
Axle Config
6x4
Common Transmission
EEO-16F112C12
Active Listings
Regional Breakdown
| State | Active Listings |
|---|---|
| North Carolina | 32 |
| Texas | 22 |
| Ohio | 19 |
| Missouri | 14 |
| Florida | 8 |
2021 Peterbilt 579 X15 — Frequently Asked Questions
What is the average price of a 2021 Peterbilt 579 X15?
Used 2021 Peterbilt 579 X15 trucks are typically listed between $50,900 and $59,938 — the middle 50% of 122 priced dealer listings. These are asking prices, not sale prices.
How many 2021 Peterbilt 579 X15s are for sale right now?
TruckRadar shows 179 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, Texas, Ohio.
What is the typical mileage on a 2021 Peterbilt 579 X15 for sale?
The median odometer reading is 480,083 miles. Used commercial trucks typically sell in the 300,000–700,000 mile range.
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