I like the old one.
I like 6, 4 reminds me of the neon font
Good logos don’t mix fonts with such large differences in size.
The problem with most of these logos is that the discrepancy between the “NECC” and the “Nissan Enthusiasts Car CLub” is too great. We have to remember that we want this logo to be usefull for more applications than just on a computer screen two feet away from our faces.