Model Year 20/21 Tyre crack

[Naxterra]

I saw there is a big crack (at least it is to me ) on my summer tyre. Can I continue to use it or just throw them away?

Car has extended warranty but Cupra told me that I made 38k km with the car and that makes tyre warranty invalid. They are not considering that I have a winter tyre set which I drive half a year.

 

[Legojon]

My tyres look worse. I don't do many miles, so they tend to crack before they wear. I wouldn't say that was excessive. How much tread is left of the tyre?

 

[koush]

You will find tyre are not covered by the car manufacturer. You will need to go directly to the tyre manufacturer for the warranty.

 

[CupForm]

Can I continue to use it or just throw them away?

To me it doesn't look too serious; it looks as if you scratched the tire against something. But as long as it doesn't deform the side-wall (outwards bulge) and the wire mesh isn't visible/exposed, I think you're safe.
For your peace of mind move the "suspect" tire on the rear axle...

 

[G.P]

To me it doesn't look too serious; it looks as if you scratched the tire against something. But as long as it doesn't deform the side-wall (outwards bulge) and the wire mesh isn't visible/exposed, I think you're safe.
For your peace of mind move the "suspect" tire on the rear axle...

To me that's damage from a sharp object.

Out of interest why move to the rear?

 

[Naxterra]

To me it doesn't look too serious; it looks as if you scratched the tire against something. But as long as it doesn't deform the side-wall (outwards bulge) and the wire mesh isn't visible/exposed, I think you're safe.
For your peace of mind move the "suspect" tire on the rear axle...

It is already in the rear but I wonder if I should keep it or change all four completely for safety

 

[Delanor]

From the Pirelli website

When to replace a cracked tyre?​

You may be wondering if you see a tyre cracking when to replace it? Can replacement hold off for another month or two? The answer is, unequivocally, no. When you know that you have a cracked tyre, you should replace it straight away. Failure to do so could result in a tyre blow-out on the road, resulting in loss of vehicle control.

As soon as you spot a cracked tyre on your car, ideally, you should replace it with your car's spare tyre.

:

Are cracked tyres illegal?​

While driving with cracked tyres is not illegal, it is dangerous to do so, and your car will certainly not pass its annual MOT. To pass an MOT, car tyres will be inspected for any cracks or tears. The mechanic will also measure the tyre's tread depth, which must reach the legal minimum of at least 1.6 mm to pass.

It may be tempting to delay the purchase of a new tyre because of this. But remember that you are taking a big risk by not replacing damaged tyres right away.

In saying that my daughter had a Mini Cooper fitted with Bridgestone tyres and the tyres developed cracks in the tread they were not very old and had plenty of tread depth so I contacted Bridgestone and explained the problem, they then sent an Engineer out and he inspected them and passed them as perfectly OK the cracks were purely cosmetic and didn`t affect the tyre safety, I did get Bridgestone to put that in writing which they did - just in case the MOT tester wasn`t happy with them but the tyres were always passed OK up until new tyres were fitted.

Again in saying that a few years ago I bought a 911 which had newish Accelera tyres on the back and Pirellis on the front the Pirellis had plenty of tread but loads of cracks in the side walls they came off straight away to be replaced with Bridgestone`s followed by the Accelera`s as soon as I found how poor they were again to be replaced with Bridgestone`s!