] [ 7 ] It was introduced as a 2008 model in fall 2007. The SS Turbocharged features a 2.0 L (120 cu in) turbocharged Ecotec LNF I4 engine and intercooler that produces 260 bhp (190 kW) (235 bhp (175 kW) with the optional 4-speed automatic), race-tuned high-performance suspension, five-speed manual transmission with short-throw shifter, standard four-wheel antilock