2021 Peterbilt 579 MX-13 in Arkansas — Prices & Inventory

The 2021 Peterbilt 579 powered by the MX-13 is currently represented by 9 active listings on TruckRadar, with a median asking price of $53,950 and median odometer reading of 324,449 miles. Over the past 90 days, asking prices have moved up 5.0%. 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 2021 579 inventory sit in Arkansas, where regional pricing ranges from $53,950 to $53,950. Common transmission pairings include PO-14F112C12 and PO-16F112C12. 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 567 and 389. Pricing reflects active asking prices from verified dealers and is not a substitute for a formal appraisal.

2021 Peterbilt 579 MX-13 in Arkansas — FAQ