Pundits ridiculed Tesla Motors (NASDAQ:TSLA) last week after its "$500 a month" new-car loan program turned out to be based on some dubious assumptions. But Tesla might end up having the last laugh after all. In this video, Fool analyst John Rosevear explains what theĀ real goal of Tesla's new financing offer might be -- and why it's a great long-range move for the upstart carmaker.

Fool contributor John Rosevear has no position in any stocks mentioned. Follow him on Twitter at @jrosevear. The Motley Fool recommends BMW and Tesla Motors and owns shares of Tesla Motors. Try any of our Foolish newsletter services free for 30 days. We Fools don't 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.