November 14, 2008 5:00 PM PST
Video: BMW M5 versus M6
We know that the BMW's M6 is lighter, faster, and more expensive than its sibling the BMW M5. But just how much faster is it really? Is it worth $16,000 more and two fewer doors for a slightly faster lap time? Fifth Gear's Vicki Butler-Henderson aims to find out in this video. Though I think she's slightly more interested in powerslides than price-points.
