BMW Z4 2009 replaces two models with retractable roof
BMW introduces the 2009 Z4 as a single roadster that replaces the Z4 roadster and Z4 coupe with a retractable hard top. The car features a new seven speed dual clutch automatic, more interior space, a longer 14 foot length, and stronger aggressive styling. Prices start at 46 575 dollars for the non turbocharged six with manual, rising to over 50 000 with options, while rivals like the Audi TT start at 42 895 and the Porsche Boxster at 47 550.