Actually I agree with @
imag on most of what he says.
It would have been very possible, and really not that expensive to Toyota/Subaru, to have offered the 86 in two configurations, the one we received and one with a bigger, badder engine, ala the Mustang/Camaro model.
Many would have stuck to the base model, and others would have happily forked over additional money for the more powerful version.
I don't buy the argument about more power pricing it out of it's market. Just look at the range of prices for either the Mustang or Camaro.
Ford/Chevy sell both of them in huge volumes around the price of an 86, and run the prices right up to and against things like the C7 Corvette.
The biggest issue is volume. The partners never intended to sell the 86 in enough volume to justify variants.