2027 Peterbilt 579 X15 — Used Market Prices & Trends

The 2027 Peterbilt 579 powered by the X15 is currently represented by 137 active listings on TruckRadar, with a median asking price of $179,568 and median odometer reading of 1,006 miles. Over the past 90 days, asking prices have moved down 3.1%. 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 2027 579 inventory sit in Florida, where regional pricing ranges from $188,900 to $188,900. Common transmission pairings include EEO-16F112C12 and EEO-18F112C12. The 2027 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.

2027 Peterbilt 579 X15 — Frequently Asked Questions