Certified pre-owned vehicle sales were down a bit year-over-year in June, but year-to-date sales still beat the first-half totals from a record 2016.

According to Autodata Corp., there were 221,853 CPO sales last month, which was down 0.8 percent from June 2016.

Through six months, there have been 1.34 million certified sales, up 1.2 percent from last year’s pace.

June was the best CPO month ever for four brands (Cadillac, FIAT, Maserati and Mitsubishi), Autodata said.

Cadillac moved 4,236 certified units last month (up 56.7 percent), FIAT sold 112 CPO units (up 138.3 percent), Maserati had 92 CPO sales (up 95.7 percent) and Mitsubishi moved 239 CPO cars (up 177.9 percent).

Domestic brands sold a combined 79,249 certified vehicles for the month (up 2.5 percent), with year-to-date sales down 2.2 percent at 462,937.

Asian brands were down 3.6 percent in June with 106,374 CPO sales, but year-to-date sales are up 2.5 percent at 653,229 units.

European brands were up 0.5 percent in June (36,230 CPO sales) and 5.1 percent for the first half of the year (225,439 units).