Years 2005–2007 received the 2.0 L Ecotec LSJ supercharged Inline 4 cylinder with 205 hp and 200 lb·ft of torque
The front suspension is independent with MacPherson struts, while a semi-independent torsion bar is used in the rear. The wheelbase is 103.3 in (2,624 mm), longer than its competitors, and the width is 68.4 in (1,737 mm). Weight is average in-class, at 2,681 lb (1,216 kg) for the coupe and 2,747 lb (1,246 kg) for the sedan. For 2009, the United States Environmental Protection Agency fuel economy was increased to 24 mpg-US (9.8 L/100 km; 29 mpg-imp) city/34 mpg-US (6.9 L/100 km; 41 mpg-imp) highway with automatic transmission, and 26 mpg-US (9.0 L/100 km; 31 mpg-imp) city/37 mpg-US (6.4 L/100 km; 44 mpg-imp) highway with manual transmission. The engine output was increased to 155 hp (116 kW).
2007: Both engines were retuned for more power while retaining the same fuel economy. The 2.2 L Ecotec was now rated at 148 hp (110 kW) with the 2.4 L Ecotec rated at 173 hp