2021 Peterbilt 579 MX13 EPA21 — Used Market Prices & Trends

The 2021 Peterbilt 579 powered by the MX13 EPA21 is currently represented by 7 active listings on TruckRadar, with a median asking price of $46,950 and median odometer reading of N/A miles. Over the past 90 days, asking prices have moved down 19.6%. 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 (6x4) drivetrains. Geographically, the largest concentrations of 2021 579 inventory sit in Texas, Arkansas, and Iowa, where regional pricing ranges from $41,450 to $49,950. Common transmission pairings include manual and automated options. The 2021 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 389 and 567. Pricing reflects active asking prices from verified dealers and is not a substitute for a formal appraisal.

2021 Peterbilt 579 MX13 EPA21 — Frequently Asked Questions