Cooper Weathermaster S100

Is the Cooper Weathermaster S100 a good tire?

The Cooper Weathermaster S100 appears in 1 independent comparative tire test in our database. Across those results it earns a Tire Lab Score of 77/100 — rated "Good" among Winter tires. The score is a weighted average of its per-category performance relative to the winner of each test it entered, so a tire only scores highly by beating strong competition rather than by appearing in easy tests.

Where it shines. Across published test rankings the Cooper Weathermaster S100 is consistently competitive in cabin noise. In wet braking specifically it averages a #8.0 finish across 1 ranked result, including 0 outright wins. Wet braking is the single most safety-relevant number in any tire test, so it carries the heaviest weight in the score above.

Where it gives ground. Testers place the Cooper Weathermaster S100 mid-pack for wet braking and dry braking. That is not a fault so much as a design trade-off: compound and tread patterns that chase one discipline almost always concede something in another, and the tables below show exactly which tests drove that result.

Who should buy it. The Cooper Weathermaster S100 suits drivers who prioritise cabin noise and do not face severe winter conditions. Before buying, check the size you need is actually offered — performance varies between sizes, and test results are published for one specific size at a time. The full test-by-test breakdown and price comparison below let you confirm both.