2020 Peterbilt 579 MX 13 Liter — Used Market Prices & Trends

The 2020 Peterbilt 579 powered by the MX 13 Liter is currently represented by 13 active listings on TruckRadar, with a median asking price of $39,999 and median odometer reading of 495,561 miles. Over the past 90 days, asking prices have moved down 25.5%. Seasonal softening in the used truck market tends to occur as fleets delay purchasing decisions during slower freight periods. Most units listed are configured as conventional cab with tandem rear axle drivetrains. Geographically, the largest concentrations of 2020 579 inventory sit in New Jersey, Oklahoma, and Arkansas, where regional pricing ranges from $29,999 to $49,999. Common transmission pairings include PACCAR Endurant 12 Speed and Eaton Fuller 10-speed 10 Speed. The 2020 579 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 389. Pricing reflects active asking prices from verified dealers and is not a substitute for a formal appraisal.

2020 Peterbilt 579 MX 13 Liter — Frequently Asked Questions