I just don't see it happening the way these analysts are predicting. As i mentioned in my original post, I don't think it'll be an Apple branded car with the Apple logo on it. My prediction is it will still be a KIA branded vehicle but with an Apple designed assisted driving system. It's not dissimilar to what Ford is doing with Google's Android Auto platform.
See Article It's not hard to imagine Apple partnering with other automotive manufacturers to bring an advanced CarPlay system to other vehicles. There's a battle being waged by Apple, Google and Amazon over whose platform will end up in the most vehicles.