Your tyre size can be found on the side of the tyre, the values are in the order width, profile, rim, and then speed rating.
In the example above, the tyre size would be 205/60R16.
When it comes to tyres, it’s essential that you understand the tyre speed rating. What does it mean exactly? The speed rating that a tyre is allocated is the maximum speed that a tyre can be safely driven at. Tyre speed ratings are set by the tyre manufacturers and are based on in house testing where engineers are required to run the tyre at 6.2mph sets in 10-minute increments until the desired speed has been met.
It is fairly simple to check your speed rating of the tyre, this can be done by just looking at the sidewall of the tyre. You will find the speed rating by looking at the end of the tyre size, it will always be represented by a letter and as the example shows the tyre speed rating “H”. This would mean that your tyres could operate up to 130mph safely.