here is your answer,
rear ---285/30-19 = 11.2 wide,, 3.4 from ground to rim,,25-7 tall smaller than stock.
rear----285/35-19 = 11.2 wide,, 3.9 from ground to rim,,26.9 tall good fit without a lowered car.

rear----255/35-19 = 10.0 wide,, 3.5 from ground to rim ,,26.0 tall stock size