2026 Mack MD ISB6.7-300 — Used Market Prices & Trends

The 2026 Mack MD powered by the ISB6.7-300 is currently represented by 18 active listings on TruckRadar, with a median asking price of $145,999 and median odometer reading of 101 miles. Over the past 90 days, asking prices have moved up 10.0%. 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 single rear axle (4x2) drivetrains. Geographically, the largest concentrations of 2026 MD inventory sit in multiple states, where regional pricing ranges from varies by region. Common transmission pairings include manual and automated options. The 2026 MD 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 Granite and Anthem. Pricing reflects active asking prices from verified dealers and is not a substitute for a formal appraisal.

2026 Mack MD ISB6.7-300 — Frequently Asked Questions