Potenza RE050A Vs Advan Sport 103 ??

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Any body have any real world experience on these tires the Bridgestone Potenza RE050A and the Yokohama Advan Sport 103? I have shortlisted these two tires in the asymetrical class as the pirelli P zero Rosso's and Michellins PS2 start getting expensive in the 285/35/19 and 295/30/19 I am looking at.

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Any body ever use the Bridgestone Potenza RE050A ? Have you guys at Driverzinc had any feedback on these tires or even the PS2's ?

[Vegas69]

I had the Bridgestone Re050a on my BMW if I remember correctly. They were runflats and to be honest they rode horrible and didn't have the best traction. Hard to beat a Michelin Pilot sport.

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Thanks I have done some searches on the Bridgstones on some Porche forums and they too said avoid the runflats or OEM potenzas(softer sidewalls apparently)but they were quite happy with the performance of the RE050As with the PS2s been a touch above and with a price to match.

Edit: Just realized that there is a Pole Position version of the RE050A which has the higher performance rating.