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P-Metric Sized Tires Description

P-Metric Sized Tires Description

Tire Designation

The dimensions of a P-metric sized tire are described in its designation as per the following table.

Example: 205/65 R 15 94V


Designation Legend
205

Tire width in mm

65

Aspect ratio height (h)/width (w) %

R

Construction type, see table below

16

Rim diameter in inches

94

Load index, see table below

V

Speed rating, see table below



Construction Type

Designation Legend
R

Radial

B

Bias-belted

D

Diagonal (Bias)



Load Index

Code Max Load kg Max Load lb
91

615

1353

93

650

1430

94

670

1474

95

690

1518



Speed Rating

Code Max Speed km/h Max Speed mph
Q

160

99

S

180

112

T

190

118

H

210

130

V

240

149

W

270

168

Y

300

186



The marking of the tire in the example means:


205 - Tire width is 205 mm

65 - Aspect Ratio is 65% (height is 65% of width)

205 - Tire width is 205 mm

16 - The tire is for 16 inch rim

94 - Max load is 670 kg (1,474 lb)

V - Max speed is 240 km/h (149 mph)


There may sometimes be an added marking showing that the tire can handle more load:


RF - Reinforced

XL - Extra Load


Winter tires have an extra marking M+S.

Week of Manufacture

The week and year of manufacture is indicated on the tire.


The 2 first digits states the production week and the 2 last digits states the year. The symbol "<" points to the year. The code 0200< means that the tire is manufactured week 02 year 2000.

Replacing Tires

When replacing wheels/tires/rims using other dimensions always use the diagnostic tool to program the new values to avoid inaccuracy for e.g. speedometer, odometer and TPMS.

Most P-metric tire sizes do not have exact corresponding alphanumeric tire sizes. Replacement tires should be of the same tire performance criteria TPC specification number including the same size, the same load range, and the same construction as those originally installed on the vehicle.