 The fourth generation G sedan was launched in November 2006 as a 2007 model with a heavily revised 3.5 L VQ35HR engine and a 5-speed automatic as the standard transmission, a 6-speed manual was also available.The redesigned second generation G coupe launched in August 2007 as a 2008 model with a larger 3.7 L VQ37VHR, the first Infiniti engine to feature VVEL.It too came with either a 5-speed automatic or 6-speed manual.