While you do have a severe pitch to your driveway apron, you might want to inflate the tires to 36-38psi all around, always 38psi when carrying a full load. Instead of the normal 32-30psi for light loads (500lbs total).
Another option would be to go to 215/55/16 tires. These should not rub when turned to full lock. The "R" version does have larger diameter wheels and wider tread, along with a lower bias ratio to keep the circumferance the same.
I doubt that your car has the 'sport' suspension, it sounds like a base AWD car and would be part of the 'sports package' which you did not order. There is a product plate on the driver's side fender which encodes all of the options. These codes have changed over the years and I do not know how to translate any newer than 2000.
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Klausc, a Volvoholic
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