A look at Cadillac future products

General Motors has green-lighted the development of a large flagship sedan for Cadillac, sources say, part of its plan to position its luxury brand's lineup to take on the German luxury stalwarts in every key sedan segment.

The flagship sedan is to be built on a new rear-wheel-drive platform and arrive by 2015. The long-rumored rwd flagship would challenge the BMW 7-series and Mercedes-Benz S-class and is a key to GM's ambitions to expand Cadillac in China.

Until recently, Cadillac's car lineup had been winnowed to just the CTS sedan. It's being replenished fast with the addition in June of the XTS large sedan and next month's launch of the

By Mike Colias- Automotive News