SRX is a 5-door compact luxury crossover SUV, created on General Motors Sigma (1 generation) and Theta Premium (2 generation) platforms. Crossover was released in 2005.  First generation, with engine of 3.6 L High-Feature V6 255 hp (190 kW)  or 4.6 L V6 320 hp (239 kW), was produced from 2004 to 2009), it was also available with a sport package in 2007. Second generation SRX models were produced between 2010 and 2016 and had one of three different gasoline engines: 2.8 L V6, 3.0 L V6 or 3.6 L V6. In 2010 company had recalled few hundreds of models with 2.8 L engine because of the problems when driving aggressively while using regular fuel. Second generation vehicles were the best-selling models of Cadillac.