Most enthusiasts know that the best way to improve traction is to use a summer only rubber compound; but often those tires can be very expensive and quick to wear out. Last summer, we had a chance to test a few Max Performance Summer tires to see which offered the best value. The tires tested were: the Dunlop SP Sport Maxx TT, Hankook Ventus V12 evo K110, Kumho Ecsta LE Sport and Sumitomo HTR Z III.
During the Real World Road Ride, the Dunlop SP Sport Maxx TT delivered the quickest and most direct-feeling steering of the group. The Sumitomo HTR Z III was a close second, with the Hankook Ventus V12 evo K110 and Kumho Ecsta LE Sport delivering similar overall handling and steering response but with a little more delay in the response. Overall noise levels for all four tires were similar, with all producing some amount of tread pattern hum. However, the Ecsta LE Sport and Ventus V12 evo K110 generated more distinctive tones as speeds increased.
On the track, the Sumitomo HTR Z III produced the quickest lap time, but the SP Sport Maxx TT felt more responsive at speed. The Kumho Ecsta LE Sport was able to lap our handling course nearly as quickly as the others, but didn't have the connected feel like the Sumitomo and Dunlop tires.
In this very popular category, all four of the contenders proved to be worthy threats to the higher priced options offered by Michelin, Pirelli and Bridgestone. In the overall test rankings, the tires finished in the following order:
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Dunlop SP Sport Maxx TT
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Sumitomo HTR Z III
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Kumho Ecsta LE Sport
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Hankook Ventus V12 evo K110
If a Max Performance Summer tire is in your future, check out our full test report by reading "Testing Value-Priced Max Performance Summer Tires."
The Bridgestone Potenza RE970AS Pole Position finished at the top of our most recent test of Ultra High Performance All-Season tires. This test evaluated the leading tires in the category on the road and on wet and dry test track conditions.
Potenza RE907AS Pole Position tires mold a new all-season rubber compound into a directional tread design that combines responsiveness on dry roads, with traction in wet and wintry driving conditions. A series of circumferential and lateral grooves help pump water and slush through the tire's footprint to enhance hydroplaning resistance, wet road and light snow traction.
A good all-season tire must offer the following qualities:
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Well-rounded
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Balance wet, dry and snow capabilities
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Good ride comfort
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Sporty handling
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Longevity
This broad set of parameters can make it difficult for a tire to excel in any one area. The RE970AS Pole Position does an excellent job of balancing all of the competing demands that a tire of this category needs to meet. To see how the tire performed in our tests last summer, read "Testing Bridgestone's Potenza RE970AS Pole Position Ultra High Performance All-Season Tire."
The one thing that our test did not measure was snow traction. We did take customer survey results that included evaluations for snow traction from the past winter and the results have again been favorable. With data from over 417,000 miles, the RE970AS is currently at the top of our Tire Survey Results.