2023 Peterbilt 579 X15/450 — Used Market Prices & Trends

The 2023 Peterbilt 579 powered by the X15/450 is currently represented by 7 active listings on TruckRadar, with a median asking price of $74,995 and median odometer reading of 395,303 miles. Over the past 90 days, asking prices have moved down 7.1%. 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 2023 579 inventory sit in Florida and Colorado, where regional pricing ranges from $69,995 to $74,995. Common transmission pairings include Automatic and Endurant 12. Time on lot for the 2023 579 varies with mileage, spec, and condition, and is best gauged against similar active listings. Buyers comparing this configuration often also evaluate the 567 and 389. Pricing reflects active asking prices from dealers on TruckRadar and is not a substitute for a formal appraisal.

2023 Peterbilt 579 X15/450 — Frequently Asked Questions