Originally Posted by SS_Firehawk

a turbo 4 will not be adequate. Nissan doesn't have a turbo 4 in their stable large enough to pull duty. Realistically, I see a direct injected V6 continuing to use VVEL, possibly growing to 3.8L. I wouldn't be surprised if we see 100hp per liter. I do see a move from a steel frame to an aluminum which will drop at least 100lbs, most likely more. Moving to aluminum across their entire lineup sharing the same front midship platform will assist in keeping costs down. It will also increase their fuel economy as standards rise.