Our expert reviewers begin with the assumption that the BMW M3 is the reigning heavyweight champion, the king, the Michael Jordan of high-performance luxury cars. Then David Thomas, Mike Hanley and Joe Wiesenfelder weigh in on whether or not two challengers to the crown have what it takes to top the M3. They’ll take into consideration a host of factors, including engine performance, handling prowess and overall value. Check out this Cars.comparison to see if either the 2008 Audi S5 or the 2008 Lexus IS-F can beat out the M3.