CST Medallion All Season ACP1

Is the CST Medallion All Season ACP1 a good tire?

The CST Medallion All Season ACP1 appears in 5 independent comparative tire tests in our database. Across those results it earns a Tire Lab Score of 81/100 — 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 CST Medallion All Season ACP1 is consistently competitive in cabin noise. In wet braking specifically it averages a #18.5 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 CST Medallion All Season ACP1 mid-pack for wet braking, dry braking and snow traction. 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 CST Medallion All Season ACP1 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.