Audi's A4 has grown up to be a substantial competitor to the immovable 3 Series. The company is also in a head-to-head race with BMW to offer the most innovative in-dash navigation, interface, and media options. Brian Cooley takes you for a drive in the 2011 A4 2.0T to check the tech.

You can also read the full CNET Review of the 2011 Audi A4 here.