2021 Peterbilt 579 X15 — Used Market Prices & Trends
231 active listings · median 429,277 mi
Median Price
$56,900
90-Day Change
+2.8%
Active Listings
231
Median Odometer
429,277 mi
90-Day Median Asking Price
The 2021 Peterbilt 579 powered by the X15 is currently represented by 231 active listings on TruckRadar, with a median asking price of $56,900 and median odometer reading of 429,277 miles. Over the past 90 days, asking prices have moved up 2.8%. Demand for late-model commercial trucks typically strengthens as fleets refresh ahead of Q3 bid cycles and peak freight season. Most units listed are configured as conventional cab with tandem rear axle (6x4) drivetrains. Geographically, the largest concentrations of 2021 579 inventory sit in Ohio, North Carolina, and Texas, where regional pricing ranges from $49,900 to $60,900. Common transmission pairings include EEO-16F112C12 and PO-16F112C12. 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 | Listings | Median Price |
|---|---|---|
| Ohio | 37 | $49,950 |
| North Carolina | 36 | $49,900 |
| Texas | 26 | $55,400 |
| Missouri | 18 | $59,150 |
| Arkansas | 9 | $60,900 |
2021 Peterbilt 579 X15 — Frequently Asked Questions
What is the average price of a 2021 Peterbilt 579 X15?
The median asking price for a 2021 Peterbilt 579 X15 on TruckRadar is $56,900, based on 231 active listings. Prices vary by mileage, condition, and configuration.
How many 2021 Peterbilt 579 X15s are for sale right now?
TruckRadar shows 231 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 Ohio, North Carolina, Texas.
What is the typical mileage on a 2021 Peterbilt 579 X15 for sale?
The median odometer reading is 429,277 miles. Used commercial trucks typically sell in the 300,000–700,000 mile range.
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