2026 Peterbilt 589 X15 — Used Market Prices & Trends

The 2026 Peterbilt 589 powered by the X15 is currently represented by 135 active listings on TruckRadar, with a median asking price of $224,400 and median odometer reading of 113 miles. Over the past 90 days, asking prices have moved down 1.8%. Prices have held steady, reflecting balanced supply and demand for this configuration in the current market. Most units listed are configured as conventional cab with tandem rear axle (6x4) drivetrains. Geographically, the largest concentrations of 2026 589 inventory sit in Texas, Pennsylvania, and Ohio, where regional pricing ranges from $198,900 to $247,997. Common transmission pairings include RTLO20918B and Eaton 18-Speed. The 2026 589 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 579. Pricing reflects active asking prices from verified dealers and is not a substitute for a formal appraisal.

2026 Peterbilt 589 X15 — Frequently Asked Questions