FORT LAUDERDALE, Fla. — AutoNation Inc. reported today that retail new-vehicle sales in March totaled 25,489 units, a 15 percent increase from a year ago. The nation’s largest auto retailer also reported a 13 percent increase in sales for the first quarter compared to the year-ago period.

Leading the way were the group’s domestic-branded stores, which saw sales increase 26 percent from a year ago to 7.991 units. The group also moved 13,403 imports, a 10 percent increase from last March. In the luxury segment, AutoNation sold 13,403 units, a 10 percent increase from a year ago.

For the first quarter, AutoNation's retail new-vehicle unit sales increased 13 percent from the year-ago period, with domestics up 17 percent, imports up 12 percent, and premium luxury up 12 percent.