2026 Peterbilt 548 PX-9 — Used Market Prices & Trends

The 2026 Peterbilt 548 powered by the PX-9 is currently represented by 101 active listings on TruckRadar, with a median asking price of $197,990 and median odometer reading of 10 miles. Over the past 90 days, asking prices have moved down 23.0%. 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 548 inventory sit in Texas, Florida, and California, where regional pricing ranges from $179,700 to $233,400. Common transmission pairings include 3000 RDS-P and Allison 3000 RDS-P. The 2026 548 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 548 PX-9 — Frequently Asked Questions