What is the load index and what does it mean?
The load index is 108. This numerical code indicates the maximum weight each tyre can safely support when correctly inflated. It is crucial not to exceed this limit.
What is the speed rating?
The speed rating is Y, which corresponds to a maximum speed capability of 300 km/h (186 mph). Tyres must have a speed rating appropriate for the vehicle.
What does the 'XL' marking signify?
XL stands for Extra Load. This means the tyre is reinforced to carry heavier loads than a standard tyre of the same size, making it suitable for SUVs and 4x4s.
Is this a summer, all-season, or winter tyre?
Based on the provided information and performance claims for wet and dry conditions, this appears to be a summer performance tyre designed for use in warmer months and not for winter/snow conditions.
What is the tyre's noise rating?
The external rolling noise rating is A (72 dB), as indicated in the retailer data. This is a measure of the noise emitted by the tyre.
What are the fuel efficiency and wet grip ratings?
According to the provided data, the fuel efficiency rating is C and the wet grip rating is also C, as per the EU tyre label standards.
What sizes does the IOTA ST-68 model come in?
The IOTA ST-68 is available in numerous sizes for wheels from 17 to 21 inches. The specific variant here is 325/30 R21.