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

The 2026 Peterbilt 520 powered by the MX-11 is currently represented by 71 active listings on TruckRadar, with a median asking price of $404,000 and median odometer reading of N/A miles. Over the past 90 days, asking prices have moved up 92.5%. Demand for late-model commercial trucks typically strengthens as fleets refresh ahead of Q3 bid cycles and peak freight season. Most units listed are configured as conventional cab with tandem rear axle (6x4) drivetrains. Geographically, the largest concentrations of 2026 520 inventory sit in multiple states, where regional pricing ranges from varies by region. Common transmission pairings include 4500 RDS-P and Allison 4500 RDS-P. The 2026 520 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 520 MX-11 — Frequently Asked Questions