2026 Kenworth T880 ISX / X15 — Used Market Prices & Trends

The 2026 Kenworth T880 powered by the ISX / X15 is currently represented by 75 active listings on TruckRadar, with a median asking price of $214,950 and median odometer reading of N/A miles. Over the past 90 days, asking prices have moved down 24.9%. 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 2026 T880 inventory sit in Pennsylvania, Ohio, and Wisconsin, where regional pricing ranges from $183,650 to $296,443. Common transmission pairings include manual and automated options. The 2026 T880 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 T680 and W900. Pricing reflects active asking prices from verified dealers and is not a substitute for a formal appraisal.

2026 Kenworth T880 ISX / X15 — Frequently Asked Questions