Hi and welcome to the forum
! the 07 model is 313 hp and is the most powerful.
2 In the UK the GT is the top spec.
3 Fairlady is the name given to the imports, GT as above and GT$ limited edition.
4 The GT comes with leather interior so depends on which was fitted as to the colour.
5 There is a buyers guide on here. Will get you the link.
There you go.
http://www.350z-uk.com/forum/viewtopic.php?t=5091