Quote:
Originally Posted by Suberman
The speed rating is also important. Because a higher speed rating requires higher heat dissipation capability the higher speed rated tires often have stronger but lighter sidewalls than lower speed rated tires. It isn't just load rating that affects tire construction as you will note from the price differences.
Each tire range may be different. Ask a tire professional what the actual differences are before you choose.
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I definitely don't think that what you said and what I said are mutually exclusive... Higher speed rating almost always results in a higher load rating due to the better construction. Considering that the OP's car will most likely never see the max speed of the H rating, I don't think either matter much in this case.
I'd love to know your definition of a "tire professional". Because if it a salesperson at your local tire shop then I am a "tire professional".