How many 2021 Peterbilt 579 X15s are for sale right now?

TruckRadar currently shows 13 active 2021 Peterbilt 579 X15 listings from verified dealers. Inventory is updated daily as new listings are added and sold units are removed.

What states have the most 2021 Peterbilt 579 X15 inventory?

The highest concentrations of 2021 Peterbilt 579 X15 inventory are in Illinois. These states are major freight corridors with high dealer density for commercial trucks.

What is the typical mileage on a 2021 Peterbilt 579 X15 for sale?

The median odometer reading on 2021 Peterbilt 579 X15 listings is 346,247 miles. Used commercial trucks typically sell in the 300,000–700,000 mile range depending on service history and overhaul status.

Has the price of the 2021 Peterbilt 579 X15 gone up or down recently?

Prices have decreased approximately 9.3% over the past 90 days. Monitor the 90-day trend chart on this page for the latest pricing movement for 2021 Peterbilt 579 X15 units.

2021 Peterbilt 579 X15 in Illinois — Prices & Inventory

Q: What is the average price of a 2021 Peterbilt 579 X15?

The median asking price for a 2021 Peterbilt 579 X15 on TruckRadar is $59,400, based on 13 active listings. Prices vary by mileage, condition, sleeper configuration, and dealer location.

13 active listings in Illinois · median 346,247 mi

Median Price

$59,400

90-Day Change

-9.3%

Active Listings

Median Odometer

346,247 mi

90-Day Median Asking Price — Illinois

The 2021 Peterbilt 579 powered by the X15 is currently represented by 13 active listings on TruckRadar, with a median asking price of $59,400 and median odometer reading of 346,247 miles. Over the past 90 days, asking prices have moved down 9.3%. 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 Illinois, where regional pricing ranges from $59,400 to $59,400. Common transmission pairings include manual and automated options. The 2021 579 typically appears in dealer inventory for an average of 30 to 60 days before sale, based on TruckRadar listing turnover data. Buyers comparing this configuration often also evaluate the 389 and 567. Pricing reflects active asking prices from verified dealers and is not a substitute for a formal appraisal.