2021 Peterbilt 579 ISX 15 — Used Market Prices & Trends
7 active listings · median 286,710 mi
Prices on this page are asking prices from live dealer listings, not sale prices. Methodology →
Asking Price Range
Insufficient data
only 1 priced listing (need 8)
90-Day Change
—
Active Listings
7
Median Odometer
286,710 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 ISX 15 is currently represented by 7 active listings on TruckRadar. Listed units show a median odometer reading of about 286,710 miles. Most are configured as conventional cab with tandem rear axle (6x4) drivetrains, commonly paired with Automated and Autoshift transmissions. Geographically, the largest concentrations of 2021 579 inventory sit in Ohio. TruckRadar is not publishing a median asking price for this configuration yet because too few active listings include a price — most are listed as "Call for Price." 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
Automated
Active Listings
Regional Breakdown
| State | Active Listings |
|---|---|
| Ohio | 1 |
2021 Peterbilt 579 ISX 15 — Frequently Asked Questions
What is the average price of a 2021 Peterbilt 579 ISX 15?
TruckRadar does not yet have enough independent priced 2021 Peterbilt 579 ISX 15 listings to publish a reliable asking-price range for this model year.
How many 2021 Peterbilt 579 ISX 15s are for sale right now?
TruckRadar shows 7 active 2021 Peterbilt 579 ISX 15 listings from dealers nationwide, updated daily.
What states have the most 2021 Peterbilt 579 ISX 15 inventory?
The most 2021 Peterbilt 579 ISX 15 inventory is concentrated in Ohio.
What is the typical mileage on a 2021 Peterbilt 579 ISX 15 for sale?
The median odometer reading is 286,710 miles. Used commercial trucks typically sell in the 300,000–700,000 mile range.
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