^ its up to u, if u wanna have a sunroof, HID's, leather, 17" rims etc.. then yeh it not too bad. Although u would save money if you were to get the Base model and install your own leather, sunroof etc..

Performance wise they are very similar, you probably wont notice the difference too much

7.6sec confirmed ~ http://motoring.nzoom.com (but the page is gone now)