Luckily I actually had a conversation on this topic recently with one of the few people who's opinion on tires I trust 100%.

The RS-A tire is an extremely high Rolling Resistance (RR) tire, causing it to greatly impact the fuel economy of a car. The GS-2 on the GXP is actually a very low RR tire which helps the GXP get better fuel economy over the Classic on RS-As. The new F1 All-Season (sometimes referred to as the F1 AS) is apparently one of the best all-season tires you can get. It's actually superior to the GS-2 'summer' tire on the GXP in all forms of handling and performance characteristics. However it's RR is slightly higher than the GS-2 so fuel economy values from it wont be as good as the GS-2 (still much better than the RS-A though) but the gain in performance is more than worth it.

Wear wise I can only speculate.

• RS-A - Treadwear: 260 Traction: A Temperature: A
• GS-2 - Treadwear: 300 Traction: A Temperature: A
• F1 AS - Treadwear: 420 Traction: AA Temperature: A

I drove the RS-A on my base car for 13k miles doing several auto-x's on them, and then the owner after me drove them till 35k miles before replacing them. The GS-2's I shredded through in 21k miles on my GXP thanks to it's higher power levels and doing some auto-x and 1/4 mile runs. Looking at the treadwear values one would surmise the F1 AS should last as long as the RS-A if not longer.

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Very thorough. Thanks again, guys.

You almost had me sold on the GS-2, but since my biggest concern with the RS-As are their wet traction (or lack thereof), I think I'll go with the F1's. Goodyear's site ranks RSA and GS2 the same on wet traction.

DiscountTire, wow, very competitive rates on those F1's. I did the "out the door" calculation on your corporate site, and it's within $100 of drop-shipping from TireRack and paying separately for the install. It's good to see that there are at least two reliable, affordable places to get new soles for our Sols.

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Good to hear. If you have a store near you, take in the lowest delivered price and see if they will match. They are pretty good about it.

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