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

The 2026 Peterbilt 548 powered by the PX-9 is currently represented by 52 active listings on TruckRadar. Listed units show a median odometer reading of about 10 miles. Most are configured as conventional cab with tandem rear axle (6x4) drivetrains, commonly paired with 3000 RDS-P and 3000 RDS transmissions. Geographically, the largest concentrations of 2026 548 inventory sit in California, Texas, and Florida. TruckRadar is not publishing a median asking price for this configuration because its priced listings are concentrated with a single dealer, so a median would reflect one seller's pricing rather than the broader market. To gauge pricing, review the individual active listings below — each shows the dealer's own asking price directly. Buyers comparing this configuration often also evaluate the 567 and 589. All figures reflect active dealer listings on TruckRadar and are asking prices, not sale prices.

2026 Peterbilt 548 PX-9 — Frequently Asked Questions