You mean something like this...
http://translate.google.com/translate?sl=ja&tl=en&js=n&prev=_t&hl=en&ie=UTF-8&layout=2&eotf=1&u=http%3A%2F%2Fhistory.nissan.co.jp%2FSKYLINE%2FV35%2F0411%2FDATA%2Fmain1_2.html
You will need to click on the 'enviroment safety' button at the top, then on the 'enviromental specifications' in the sub menu.. hover over the buttons to get an english version.
Keep in mind, the Japaneese use KM/L and Not L/100km, so you will need to convert..