Collective certified pre-owned sales increased double-digits for both Asian brands and European brands in June, including one automaker that had its best-ever month, according to Autodata Corp.

Asian brands moved 97,969 CPO vehicles for the month, which beat June 2014 numbers by 14.3 percent. That sum included Kia’s record high month of 6,117 CPO sales, a 50.8-percent improvement, Autodata said.

Through six months, Asian brands have moved 580,223 certified vehicles, which is 7.8 percent ahead of last year’s pace, according to Autodata.

European CPO sales were at 35,993 units for June, a 15.6-percent increase. Six-month sales were at 221, 806 units, a 12.3-percent increase.