IRVINE, Calif., Oct. 13, 2015 /PRNewswire/ -- Kia Motors America (KMA) announced pricing today of the newest version of its hugely popular midsize sedan, the Optima. Offered in five trim levels – LX, LX 1.6T, EX, SX and SXL, the all-new 2016 Optima is priced aggressively...