2025 Peterbilt 520 PX-9 — Used Market Prices & Trends

The 2025 Peterbilt 520 powered by the PX-9 is currently represented by 18 active listings on TruckRadar. Listed units show a median odometer reading of about 19 miles. Most are configured as conventional cab with tandem rear axle (6x4) drivetrains, commonly paired with 4500 RDS-P transmissions. Geographically, the largest concentrations of 2025 520 inventory sit in Texas, Minnesota, and North Dakota. 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 579. All figures reflect active dealer listings on TruckRadar and are asking prices, not sale prices.

2025 Peterbilt 520 PX-9 — Frequently Asked Questions