Is a toyota 15.62% better than a Datsun?

I mentioned your s=19 and ae=6 reasoning to him but he wasn't satisfied with not using the "30" or the "86"

Well, allow him to use the 86, if he so chooses. Since the ae86 came out in 1983, we should be comparing similar years.

The 1983 Z car was the S130.

So the tally using his beloved ae and "86"

a=1

e=5

6+86=92

Using the suffix from the same year's Z model (must be allowed, if you/we are to allow his suffix)

s=19

19+130=149

And the Z still wins...