GMC sales grow in June; Sierra HD sales up 34 percent in first half of 2011 
DETROIT – GMC delivered its 21st consecutive month of retail sales gains on strong demand for its fuel-efficient trucks, crossovers and SUVs, with retail sales in June up 18 percent year over year and total sales up 15 percent.
The brand hit the mid-year mark with retail sales up 24 percent and total sales up 23 percent, with significant gains in Phoenix, New York, Boston and Atlanta.
Demand for Sierra picked up in June, particularly for heavy duty models. Retail HD sales were up 35 percent and total HD sales were up 39 percent year over year, and up 29 percent and 34 percent, respectively, for the calendar year.
“GMC’s blend of fuel efficiency and professional grade capability continued to attract new customers to its dealerships in June,” said Brian Sweeney, U.S. vice president of Buick & GMC Sales and Service.
“Retail sales of Terrain and Acadia combined grew 44 percent year over year last month, and total sales of Sierra HD trucks are up 34 percent so far this year.”
