Kia K5 prototype spy photo CarBuzz/ValnetThe Kia K5 sedan first went on sale in the US in 2020. Kia k5 prototype spy photo CarBuzz/ValnetThis time around, it looks like the K5 will be getting more than just new headlights. Kia k5 prototype spy photo CarBuzz/ValnetThe front bumper is all-new. Kia k5 prototype spy photo CarBuzz/ValnetBut this K5 prototype is also showing signs of some serious mechanical differences, or at least a new trim grade. Kia k5 prototype spy photo CarBuzz/ValnetThanks to the car sitting in a hotel parking lot, we can see inside as well.