2026 Peterbilt 520 MX-11 — Used Market Prices & Trends

The 2026 Peterbilt 520 powered by the MX-11 is currently represented by 77 active listings on TruckRadar. Odometer readings vary widely across listed units. Most are configured as conventional cab with tandem rear axle (6x4) drivetrains, commonly paired with 4500 RDS-P and Allison 4500 RDS-P transmissions. Geographically, the largest concentrations of 2026 520 inventory sit in Virginia, Tennessee, and Massachusetts. 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 520 MX-11 — Frequently Asked Questions