Comparing All of the ST Class Contenders

Friday, June 17, 2011 by Tire Rack Motorsports

Trying to figure out what tire to run for the rest of the summer?

Well deciding should get a little easier.

Project STR drivers Chris Harvey and John Rogers headed out to the Tire Rack test track to put our MX-5 through its paces, comparing six different 245/40R17 Extreme Performance Summer tires (five options are listed below while the sixth was the Toyo Proxes R1R) in dry and wet conditions.

Bridgestone Potenza RE-11
Bridgestone Potenza RE-11
Dunlop Direzza Sport Z1 Star Spec
Dunlop Direzza Sport Z1 Star Spec
Hankook Ventus R-S3
Hankook Ventus R-S3

Kumho Ecsta XS
Kumho Ecsta XS
Yokohama ADVAN Neova AD08
Yokohama ADVAN Neova AD08



Results from the dry test will appear in the August issue of Grassroots Motorsports magazine, which hits newsstands in just a few days. Wet test details will be published in the following issue. And like many things we’ve discovered during this project, the results may not be quite what you expect.

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