The Optima is the only car in its class with standard full-length side curtain air bags, active headrests, and a tire pressure monitoring system, according to Kia, and the brand also has "America's leading warranty," which brings five years or 60,000 miles of roadside assistance and bumper-to-bumper coverage and ten years or 100,000 miles of powertrain coverage. The Optima also has a roomier interior than most of its competitors, with its interior volume greater than that of the Honda Accord, Toyota Camry, or Nissan Altima.
