CNET: Cars that rock, and roll

January 6, 2012 12:51 PM

To get good sound in a car, you used to have to visit an installer, who would rip out four tinny speakers and replace them with six-by-nines, a sub, and an amp. But now many automakers are partnering with known audio companies to put high-quality audio components in cars at the factory. These cars have the best-sounding stereos we've tested all year.