2026 Peterbilt 520 PX-9 — Used Market Prices & Trends

The 2026 Peterbilt 520 powered by the PX-9 is currently represented by 17 active listings on TruckRadar. Listed units show a median odometer reading of about 81 miles. Most are configured as conventional cab with tandem rear axle (6x4) drivetrains, commonly paired with 4500 RDS and 4500 RDS-P transmissions. Geographically, the largest concentrations of 2026 520 inventory sit in Texas. TruckRadar is not publishing a median asking price for this configuration yet because too few active listings include a price — most are listed as "Call for Price." 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 520 PX-9 — Frequently Asked Questions