If first you don’t succeed, try and try again. After canceling the Cadillac XLR Roadster in 2009, Cadillac is planning to bring back the Cadillac convertible in 2013, which will be based on the upcoming 2013 ATS as well as the next-generation CTS.

What happens when you put three top performance luxury SUV/coupe vehicles together? Simply, you a drag race to determine who is the top dog. But really, you don’t need such a race to know who is the top dog between the 2011 Cadillac CTS-V Wagon, 2011 Porsche Panamera Turbo and 2011 BMW X6 M . You’ve guessed correctly, the Porsche Panamera Turbo.

Although it has been only a year since BMW Motorsports launched the 2010 BMW Z4 GT3 racer, but since its winning of the Dubai 24 Hours in January 2011, BMW just released a new and improved 2011 Z4 GT3 racer. 

Looks like Mercedes-Benz is bringing the sexy to a younger audience. It plans to introduce a Concept A-Class model at the Shanghai Auto Show this month. From the look, the Concept A-Class will certainly be in competition with the 2012 BMW 1 Series and Audi A3.

BMW just announced its plan of a new adaptive transmission based on its current eight-speed transmission at its annual Innovation Days in Munich. The adaptive transmission is able to predicts curves, road conditions to help the transmission to automatic downshift or upshift as needed.