2025 Peterbilt 579 X15 — Used Market Prices & Trends

The 2025 Peterbilt 579 powered by the X15 is currently represented by 3 active listings on TruckRadar, with a median asking price of $152,500 and median odometer reading of 139,098 miles. Over the past 90 days, asking prices have moved up 4.9%. 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 2025 579 inventory sit in Florida, where regional pricing ranges from $152,500 to $152,500. Common transmission pairings include AutoShift and EEO-17F112C12. The 2025 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 520. Pricing reflects active asking prices from verified dealers and is not a substitute for a formal appraisal.

2025 Peterbilt 579 X15 — Frequently Asked Questions