Smartest thing you've ever said, Kiddo.
An N/A skyline is heaps better than what most of us here have had as a first car. Mine was a nissan pulsar vector, and I managed to blow the AT transmission in it, which cost me a grand to fix up.
Being young, you don't always realise the wear you do to a car when you drive it hard, and when you're young, you want to drive it hard all the time, which is not a sustainable exercise both financially and in terms of staying alive.
So enjoy your N/A beauty, do some driving courses, get you full licence and then join the club, we'll be happy to have you