Speed Ratings
All tyres carry a speed symbol in the form of a letter indicating
the maximum speed for which the tyre is intended. The table
below shows which speed goes with each letter.
| Speed
symbol |
Maximum
speed km/h
|
mph |
| N |
140
| 87 |
| P |
150
| 93 |
| Q |
160
| 99 |
| R |
170
| 106 |
| S |
180
| 112 |
| T |
190
| 118 |
| H |
210
| 130 |
| V |
240
| 149 |
| W |
270
| 168 |
| Y |
300 |
186 |
It should be noted that these ratings are important in that
it is a breach of Construction and Use regulations to run
on tyres that are below the specified Load Index, it may also
be dangerous.
Additionally, if your car is fitted with W-rated tyres, and
you tow a trailer, then in the UK that trailer may have T-rated
tyres (if applicable), but in France your trailer tyres' rating
should match that of the tow vehicle.
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