They both were effectively judged the same on subjective handling at a 6.3/10 score. In dry handling both tires were quite even as only 0.24 seconds separated them apart in lap times. Grabber APT was ahead of Discoverer AT3 4S in dry braking by stopping 1.3 feet (0.4 m) earlier. However this is the default daily usage and the tires have to perform at a very consistent level. Overall, Discoverer AT3 4S is clearly the best performing wet tire.Īs for dry, safety is usually not an issue as the braking distance is much longer than wet. Test driver feedback on Discoverer AT3 4S The steering was a little dull, and the handling balance leaned toward safe, controllable understeer.
#General grabber apt drivers#
Subjectively, our drivers liked the tire’s braking behavior and cornering traction. Below were some of the feedback in regards to the 2 tires from the test driver. For the subjective wet handling rating, Discoverer AT3 4S fared better with a subjective score of 6.41/10 compared to 6.04/10 of Grabber APT. With the advantage gained in wet braking, Discoverer AT3 4S continued its dominance in wet handling with a 1.1 seconds advantage in lap time against Grabber APT. In regards to wet braking, Discoverer AT3 4S managed to out brake Grabber APT by 12.3 feet (3.7m) which is a big enough margin not to ignore. It was so important that the EU label has wet braking as one of its three criteria. Hence it is more likely to get into a road accident during wet conditions rather than on a sunny day. The friction of coefficient of the tire/road dramatically decreases in wet roads compared to dry roads. Testing vehicle: 2022 Ford Explorer ST Wet
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