Yokohama BluEarth 4S AW21

Is the Yokohama BluEarth 4S AW21 a good tire?

The Yokohama BluEarth 4S AW21 appears in 5 independent comparative tire tests in our database. Across those results it earns a Tire Lab Score of 87/100 — rated "Very Good" among All Season 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 Yokohama BluEarth 4S AW21 is consistently competitive in snow traction and cabin noise. In wet braking specifically it averages a #14.3 finish across 6 ranked results, 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 Yokohama BluEarth 4S AW21 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. Drivers who see real winter conditions will get the most out of the Yokohama BluEarth 4S AW21, and it remains usable year-round in mild climates. 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.