2023 Peterbilt 579 X15 — Used Market Prices & Trends

The 2023 Peterbilt 579 powered by the X15 is currently represented by 69 active listings on TruckRadar, with a median asking price of $67,950 and median odometer reading of 426,045 miles. Over the past 90 days, asking prices have moved up 2.9%. 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 2023 579 inventory sit in North Carolina, Illinois, and Texas, where regional pricing ranges from $63,575 to $78,950. Common transmission pairings include Endurant and EEO-16F112C12. The 2023 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 389. Pricing reflects active asking prices from verified dealers and is not a substitute for a formal appraisal.

2023 Peterbilt 579 X15 — Frequently Asked Questions