Year-over-year motorhome sales ended 2011 on a strong note, up 12.8% for December, but were flat for the full year with a 1.9% gain.

According to the latest report from Statistical Surveys Inc., Thor Industries Inc. was the overall motorhome sales leader for the 12 months with a 20% market share followed by Winnebago Industries Inc. (19%) and Forest River Inc. (12%).

In the Class A category, overall sales in December rose 7.9% compared with 2010 and edged up 1.6% year-to-date. Tiffin Motorhomes Inc. held the No. 1 position for the year, holding a 21.1% market share, just edging out Winnebago with a 20.2% share. Thor was No. 3, owning a 17.3% market share.

Class C sales soared 23% for the month and increased 2.3% for the full year. Thor was the leader for 2011, holding a 23.6% market share, followed by Forest River’s Coachmen division (18.2%) and Winnebago (17.5%).

Last year, Statistical Surveys also began tracking units sold for rental fleets, which reflected a 520% increase for the year. All but one of the rental units sold was a Class C motorhome.

To subscribe to this or other SSI reports, contact Scott Stropkai, national RV sales manager, at (616) 281-9898 ext 128, or (616) 446-8179 (cell).