Tire Size Challenge

Tire Knowledge Game

Tire Size Challenge

Race the clock through diameter, sidewall and speedometer questions generated from real tire-size math.

Score0
Streak0
Correct0
Questions0
Time75.0
Diameter Battle

Which tire has the larger nominal overall diameter?

Tire Size Challenge

Know Your Tire Sizes?

Build a streak for larger points. Questions are generated dynamically each run.

Tire Size Challenge uses nominal mathematical dimensions. Similar calculated dimensions do not establish vehicle fitment; verify real specifications, load requirements, approved wheel width and clearance.