CTS is a model that is being produced by Cadillac since 2002. This compact executive car is available as a 4-door sedan, 2-door coupe or 5-door sport wagon. There were 3 generations of this model realeased, first starting in 2003 and finishing in 2007, the second one was produced from 2008 to 2014 and the latest generation was introduced in 2014. First two versions were developed on a well-known General Motors’ platform – Sigma, however the third generation is being produced on Alpha platform. Model could be found only with a gasoline engine and mostly there were V6 or V8 engine installed in this car (I-4 was presented as an alternative to V6 or V8 in third generation models).