We have over 1400 miles on our 2013 Kia Optima EX, and we are very impressed with the car. Beware! The car comes without a spare tire, and we had to spend about $210 for a kit and the dealer installed the space saver tire, wheel, jack and lug wrench kit. We still got a good deal, because the car comes with many features at a price point that beats the competition, and the dealer gave us a fair discount plus a "competitive incentive" available from Kia.
Acceleration and gas mileage have improved greatly since passing 1000 miles on the odometer. A/C unit is powerful and cools fast. Car is comfortable, roomy, rides and handles well. Upscale look inside and out.
Comfort, room, ride, handling, cooling feature for front seats, UVO, HD radio, Smart Key, rear camera display, two memory position driver's seat, panoramic sun roof (will get more use once the weather isn't so unbearably hot), ECO driving mode.
Spare tire! Reduce the rake of the front passenger seat cushion (raise at back end of cushion by about 1 1/2 to 2 inches).
Link side view mirror adjustment to seat memory positions (we have that on our other car).