 For the 2003-04 model years, the V6 produced and of torque in the sedan, and in the coupe.In the 2005 and 2006 model years (sedan, 2005-2007 for the coupe), those with automatic transmissions (both sedan and coupe) produced and of torque, while those with manual transmissions produced and of torque (again, both in sedan and coupe form).There is speculation that the output did not actually change, and that Infiniti was simply taking advantage of the outdated SAE standard of rating horsepower.