a manual can make or break, it depends on your driving habits.
if you can resist the temptation to rev too high too often, and
instead drive conservatively, it should have better FC than auto.
and of course, manual can let you bring out the full potential of
the powerplant form time to time. and it seems in vios' specs, the
manual's 0-100 is significantly better than the auto's. but then
again, there's always the consideration of convenience and easy
city driving with the auto.
so eventually, it's your preference 
