We already know that GM will be putting the show-stopper CT Coupe Concept into production in 2009 as a 2010 model year. The production model won’t be too far off from the concept we saw in Detroit, but will be a little toned down to meet production standards. Basically on the production model, all the metal ahead of the A-pillar will be identical to the CTS sedan.

Engine spec wise, we were told that the Cadillac CT Coupe Concept was designed to accommodate a range of engines including Cadillac’s popular 3.6L Direct Injection V6 and the new 2.9L turbo-diesel currently in development. The car is currently under development under the code-name GMX226 and will be rolling down the assembly line at GM’s Lansing Grand River plant in 2009.

Well now new speculation on the street is that Cadillac is looking to fit the 500 550 horsepower producing 6.2L LSA supercharged V8 engine from the new CTS-V into the production coupe as well.

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