Start with the decision that changes the outcome
Driving on worn tires increases braking distance, hydroplaning risk, and the chance that a small condition issue turns into a bigger safety problem.
The real risk is usually not dramatic dry-road driving. It is rain, emergency braking, pothole impact, and the loss of confidence when the tire no longer has enough tread or structure.
How to narrow the field quickly
If the tire already feels louder, less stable, or visibly worn, that is the point to inspect and decide instead of pushing the remaining life too far.
Best next move
When the tire is past its safe working window, go directly to the size results page and replace it before the next compromise becomes a failure.