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Nov 24, 2020 · The speed rating of a tyre shows you the top speed that the tyre can safely be driven at. It’s a legally approved limit and tyres are only rated after they’ve been tested in a lab. The safest top speed applies as long as the tyre isn’t being driven with too much weight loaded. Often, the tyre speed rating will be a faster speed than your ...
Aug 21, 2024 · 186. As most modern cars comfortably top 100mph, and speed ratings usually give quite some headroom above a car’s theoretical top speed, there won’t be many cars with tyres rated at less than ...
Tyre speed rating. 205mm. 55% of the height/section ratio. 17”. 91. V. Note that tyres of the same dimension can have different tyre load and speed ratings. This is why it is important to understand the dimension, tyre speed and tyre load rating before replacing tyres. In this example, the tyre load rating is 91.
May 24, 2016 · Z-rated high-performance tyres are rated for speeds in excess of 149mph. Confusingly, W-rated tyres are rated at a higher speed in excess of 168mph. Y-rated tyres are rated in excess of 186mph. See the full list below. Tyre speed ratings should be matched to the official top speed of your car. If you fit cheaper, lower-speed-rated tyres, it ...
Sep 18, 2024 · "V" rated tyres can handle speeds up to 149 mph, and "H" rated tyres can handle speeds up to 130 mph. Which speed rating tyre is best? The best speed rating for a tyre depends on your vehicle's specifications and driving needs. Generally, you should use tyres with a speed rating that meets or exceeds the maximum speed of your vehicle. However ...
The speed rating numbering system run from A1 to A8 in sequence, whilst the letters run from B to Y. For example, a tyre that reads 255/40 R20 101V shows V to be the tyre speed rating. The tyre speed rating chart below shows that V corresponds to 149 mph. Therefore, tyres with this speed rating should not be driven over 149mph.
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At the time, "Z" was the highest rating reserved for those special vehicles that could reach mind-boggling speeds (The Lamborghini Countach LP400 springs to mind). In this situation, Z stands for 150MPH +. Back in the day, no-one thought it would be possible to hit 200 or even 250 MPH, let alone 310MPH which was broken this year (2020).
