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That's interesting. Hmm, I guess if the hit wasn't too bad, it might be worth it changing tires 20-30k instead of every 5-10k miles.The stock tires are low rolling resistance, so your range could be reduced a bit if you went with a different type.
Thanks. So a regular Roadster should drive fine with the same width front tires as the sport I would imagine. The 175/55 R16s are rare I guess.
It's possible when you order the Sport to opt-out of the performance tires now and I think save $850 too which gives you the AD07s.
Dave