Hmm. I have a car, drive quite a lot. I don't listen to radio, I have my iPod (w/ high rate aac or lossless files) my smart phone with podcasts, audio books, and Pandora. My first career was in radio for nearly 35 years, but my only radio use today is the AM all news station. No need for HD Radio.
"God help us. We're in the hands of engineers."