The official sales total for March aren't actually in yet, but analysts are predicting Ford will end up the big winner when all is said and done.

General Motors has long been the king of U.S. auto sales, and its crosstown rival Ford has only been able to surpass GM once since 1998. The big moment for Ford came in February 2010, when both GM and Toyota, which occupied the top two spots for many years, were left reeling by a government bailout and recalls, respectively. Ford only held the title for a month before GM regained its footing.

Now, Edmunds.com reports that Ford may once again end up in the top spot. The company believes that GM's recent scaling back of incentives offered in January and February will allow Ford to slip by.

"GM seems to have pulled back on incentives in March and could suffer a sales hangover through the next few months, given that the company’s earlier offers have been quite generous and may have pulled ahead future sales," said Edmunds.com Senior Analyst Jessica Caldwell.

The website estimates that Ford's sales will grow by approximately 34 percent compared to February, while GM's will remain nearly even.

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