Lexus overtakes Mercedes-Benz as the top premium marque in the U.S. market. Lexus saw its sales rise 31 percent in May, while Mercedes-Benz reported a jump of 27 percent for the month.

Lexus has outsold Mercedes-Benz to become the U.S. market's number one premium marque for both the month of May and year-to-date sales.

In a booming U.S. car market, Lexus sales rose 31 percent in May, spurred on by incentives the brand provided to customers. Lexus sales for the month were 22,216 with a year-to-date tally of 90,098 units. For Mercedes-Benz, the second-place premium brand with a 27 percent rise in sales for the month, those numbers were 19,184 and 88,010 , respectively.

Sales numbers meant positive news for Audi too. VW Group's Audi brand sold 9,205 cars in May, up 23 percent for its best May showing ever in the United States.

But it wasn't all good news for the premium automakers - BMW brand's May sales for the U.S. actually fell 3 percent to 17,859 units for the month. The decline was mostly due to the brand phasing out its current 5-Series model.

Gallery: Lexus outsells Mercedes in U.S. luxury market; BMW sales decline

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