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  1. 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 ...

  2. 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.

  3. 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 ...

  4. 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 ...

  5. Jul 4, 2016 · Tyre speed ratings. It’s important to fit a tyre that matches or exceeds your car’s top speed. The vehicle’s handbook will tell you the minimum tyre speed and load ratings you should go for, but for reference, below are the ratings and their corresponding speed: S 180km/h or 112mph; T 190km/h or 118mph; U 200km/h or 125mph; H 210km/h or ...

  6. The tyre speed rating will be the final letter, found after the wheel size details. For example, if your tyre reads 255/55 R 16 91V, then your tyre speed rating is ‘V’. Tyre speed ratings are shown by a letter of the alphabet, with each letter representing a different top speed. The below table shows the max speed for each speed rating:

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  8. 186. 300. (Y) 189. 300. You’ll find that most regular road cars will have tyres with an H or V rating. High-performance vehicles such as sports cars will come fitted with tyres with higher speed ratings, such as W, Y or (Y). This tyre speed index should be used as a guide only.

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