Tread is the rubber on the tire that touches the road. New tires have an average tread depth of 8 to 9 millimeters (10/32 to 11/32 inches). As you drive, the tread will wear down. A tire with a tread depth below 1.6 millimeters (2/32 inches) lacks grip.
Is 4mm tire tread OK?
It doesn't matter if it's summer, winter or all-season tires — the remaining tread depth is extremely important. For summer tires, the remaining tread depth must be no less than 3 mm, and for winter and all-season tires it must be no less than 4 mm.
Is 5mm tire tread good?
Insert the gauge into the tyre tread groove with the coloured scale touching the tyre. If the red is visible the tyre tread is below 1.6mm. This means the tyre is 100% worn and should be replaced urgently. If the green is visible, the tyre tread is above is 5mm and is safe to drive.
Is 6mm tread good?
6/32" or higher: Your tire's tread depth is sufficient. 5/32": If snow-covered roads are a concern, you should consider replacing your tires. 4/32": If you frequently drive on wet roads, consider replacing your tires. 2/32" or lower: Your tires are legally bald, and it's time to replace them.
Is 4mm tread OK?
A new car tyre begins life with approximately 8-9mm of tread depth. However, we strongly recommend that you replace your summer and all-season tyres when they reach 3mm and your winter tyres at 4mm. That's because, once they reach those depths, the tyres start to wear quickly.
What tire tread depth is too low?
2/32 of
Should I replace my tires at 4 mm?
Fast facts: When to replace tires You must replace tires when the tread depth falls below 1.6 mm, which is the legal limit. Continental recommends changing summer tires at 3 mm and winter tires at 4 mm tread depth; after this point safety and performance characteristics are not optimal.