According to the latest State of the Industry: U.S. Classes 3-8 Used Trucks by ACT Research, same dealer used Class 8 retail truck sales increased m/m for a second time in September. The 2.4% m/m gain was just about on pace with the expected seasonal performance.

“September is typically the fourth best sales month of the year, running more than 5% above average,” said Steve Tam, Vice President at ACT Research. “The auction market poured on the steam in typical quarter-end fashion. Auction volumes surged 37% higher m/m in September. Dealers also found it easier to sell amongst themselves. The wholesale channel advanced 11% m/m. Combined, total market same dealer sales volumes rose 15% m/m in September. Compared to September 2024, the retail market was 4.6% stronger.

“Relative to August, average miles dipped 1.3% m/m, to 410,000. Miles were 4.2% lower y/y. Trucks sold in September were slightly older m/m (+1.2%) and aged even more y/y (+4.2%) at 79 months,” Tam explained.

ACT’s Used Classes 3-8 report provides data on the average selling price, miles, and age based on a sample of industry data. In addition, the report provides the average selling price for top-selling Class 8 models for each of the major truck OEMs – Freightliner (Daimler); Kenworth and Peterbilt (Paccar); International (Navistar); and Volvo and Mack (Volvo). This report is utilized by those throughout the industry, including commercial vehicle dealers, to gain a better understanding of the used truck market, especially as it relates to changes in near-term performance.