广汽集团6月销量15万辆，环比上升27.5%

Group 1 - The core point of the article is that GAC Group reported a significant increase in vehicle sales for June, with total sales reaching 150,000 units, representing a month-on-month growth of 27.5% [1] - All four major automotive brands under GAC Group experienced month-on-month sales growth in June [1] - The sales of energy-efficient vehicles in June amounted to 43,013 units, showing a year-on-year increase of 10.99% [1] Group 2 - For the first half of the year, GAC International's exports increased by 45.8% year-on-year [1]