If one wants to avoid the issue that Dick is mentioning, you could install
lower profile tires (say 225/60R-15 which has even smaller diameter than the
205/75, improving acceleration). However, those tires are more expensive, and
they may not be a perfect match for a car with soft suspension. They should be
able to cope with the weight though.
D^2
Quoting Dick Benjamin <DickB@xxxxxxxxx>:
Those who are putting oversize tires on their cars are
> adding
> to the sluggish acceleration problem these cars are accused of
> suffering.