2026 Peterbilt 579 — Used Market Prices & Trends

The 2026 Peterbilt 579 is currently represented by 48 active listings on TruckRadar, with a median asking price of $189,500 and median odometer reading of 632 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 2026 579 inventory sit in Ohio, Texas, and California, where regional pricing ranges from $165,900 to $203,825. Common transmission pairings include EEO-18F112C12 and PACCAR TX-12. The 2026 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 567 and 589. Pricing reflects active asking prices from verified dealers and is not a substitute for a formal appraisal.

2026 Peterbilt 579 — Frequently Asked Questions