September U.S. auto sales were sweet for Ford (NYSE:F) but sour for competitors General Motors (NYSE:GM), Toyota (NYSE:TM), and Nissan (NASDAQOTH:NSANY). In this edition of Motor Money, Motley Fool analysts Rex Moore and John Rosevear discuss what's really behind the numbers.

Fool contributor John Rosevear owns shares of Ford and General Motors. Rex Moore has no position in any stocks mentioned. The Motley Fool recommends General Motors. It recommends and owns shares of Ford. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.