I asked my friend in Japan to clear up the different models, here's the reply,
The gtr is poverty spec!!lol
"GT-LTD SE (special edition)…The first-class grade that was shipped with a real leather sheet, a real leather door lining for the equipment for following GT-LTD. The vehicle weight is the heaviest, too.
GT-LTD…It is shipped with a fully automatic air-conditioner, automatic Cruise (to 5F,AT), ABS, a sun roof, a real leather winding steering, a real leather winding shift knob, a real leather winding parking brake lever.
GT-X…An aluminum bonnet, the screw refuse LSD equipment. It is shipped with a front lip spoiler, side step, the net plus full Aerosmith specifications such as rear spoilers, a real leather winding steering, a real leather winding shift knob, a real leather winding parking brake lever.
GT-R…Low price grade without the special equipment and the exclusive equipment.
ɛ̃fini two...Mass production grade changes GT-X to the 2-crew equipped with light weight full bucket seat for 4-crew for lightweighting to a base. The rear seat is removed and switches to an exclusive accessory case. By throwing it away, and footrests being equipped with in kneepad, the seat next to the driver step aluminum wheel and momo made by exclusive BBS by right and left of the step of the driver's seat, and the engine output having changed the middle pipe of the muffler to an exclusive big thing more; than mass production grade 10HP high 215HP. Only in (∞ III, IV, as for ∞, 215HP is 185HP without ∞ grade relations to include for 205HP a mass production in the first half year.)
Of the bronze which is lightweight as for all the glass become for exclusive use. (glass blue as for other grade) torr sen LSD, a 4.3 finals gear (acceleration serious consideration.as for other grade 4.1) are ABSless, but is equipped with a reinforcement brakes master back same as grade with the ABS.
The body color only as for the shade ..."