Unlike Class 8, a strong December performance for medium-duty trucks helped year-to-date sales to outpace like-2019 by 2.4%.

U.S. Class 8 truck sales came in 30.6% behind like-2019, but Class 5 was up 9.8%, the only class to record a gain for 2020.

General Motor’s countered the industry trend in December, posting a 7.6% increase from year-ago, but trailed 14.9% behind for the year.

All U.S. medium- and heavy-duty truck sales show growth in November, the first time in 2020.

Canada medium- and heavy-duty truck sales grew for the third consecutive month in a row, up 41.2% in November.

After a 4.5% gain in September, the first positive this year, Canada medium- and heavy-duty truck sales grew a modest 0.5% in October.