Understand a tyre

If you want to know more about your tyres, you need to decode what is written on its side.

What are the codes on the side of my tyres?

The first code indicates the size of the tyre and the second indicates the load and speed that it can operate up to. As you can see in more detail below

 

Load Index Rating

87 is an index of the maximum load carrying capacity per tyre at the speed designated by the speed symbol (87 = 545 kg).

 

Load Index Kg Load Index Kg Load Index Kg
65 290 80 450 95 690
66 300 81 462 96 710
67 307 82 475 97 730
68 215 83 487 98 750
69 325 84 500 99 775
70 335 85 515 100 800
71 345 86 530 101 825
72 355 87 545 102 850
73 365 88 560 103 875
74 375 89 580 104 900
75 387 90 600 105 925
76 400 91 615 106 950
77 412 92 630 107 975
78 425 93 650 108 1000
79 437 94 670    

 

Speed Index Rating

The last letter indicates the maximum speed for the tyre at full load. V corresponds to a maximum speed of 240 km/h. This should generally be higher than your vehicle’s maximum speed. However, there are exceptions for winter tyres and exemptions in some countries. Be careful not to have tyres with a lower speed rating or load capacity (see above). Your car’s manual will provide more detail.

Speed Index
GI M N P Q R S T U H VR V ZR W Y
km/h 130 140 150 160 170 180 190 200 210 >210 240 >240 270 300

 

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