Production of the coupe began on March 16, 2009, in LS, LT, and SS trim levels. LS and LT models are powered by a 3.6 L (220 cu in) V6 producing 312 hp (233 kW) mated to either a 6-speed manual or a 6-speed automatic with manual shift. The SS is powered by the 6.2 L (376 cu in) LS3 V8 producing 426 hp (318 kW) and is paired with a 6-speed manual. The automatic SS gets the L99 V8 with 400 hp (300 kW).