Following Cadillac’s unsuccessful efforts to enter the compact luxury sedan segment and challenge Germany’s finest including the Audi A4, BMW 3-Series and Mercedes C-Class with the European market BTS that was a basically a Saab 9-3 dressed as a Caddy, General Motors appears to have learned its lesson about cutting corners.

The Detroit carmaker is now developing a brand new competitor for the 3-Series from the ground up based on a rear-wheel drive platform. The entry level Cadillac is codenamed ATS and it is destined to enter production next summer (2012).

After the recent release of a teaser photo, Cadillac is now ready to begin sharing more details about the ATS with a series of videos, the first of which brings GM boss Mark Reuss behind the steering wheel of a development prototype talking about the car. Hit the break to check it out.

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