Audi Q5 Owners & Service Manuals

Audi Q5: Tire designations

Audi Q5 Type 8R (2008 - 2017) Owner's Manual / Operating instructions / Wheels / Tire designations

Wheels
Fig. 204 Tire designations on the sidewall

  1. Tires for passenger vehicles (if applicable)
    P indicates a tire for a passenger vehicle. T indicates a tire designated for temporary use.
  2. Nominal width
    Nominal width of the tire between the sidewalls in millimeters. In general: the larger the number, the wider the tire.
  3. Aspect ratio
    Height/width ratio expressed as a percentage.
  4. Tire construction
    R indicates a radial tire.
  5. Rim diameter
    Size of the rim diameter in inches.
  6. Load index and speed rating
    The load index indicates the tire's load-carrying capacity.
    The speed rating indicates the maximum permitted speed.

"EXTRA LOAD", "xl" or "RF" indicates that the tire is reinforced or is an Extra Load tire.

Wheels

Wheels

a) For tires above 149 mph (240 km/h), tire manufacturers sometimes use the code "ZR".

  1. US DOT number (TIN) and manufacture date
    The manufacture date is listed on the tire sidewall (it may only appear on the inner side of the tire):
    DOT...4514...
    means, for example, that the tire was produced in the 45th week of the year 2014.
  2. Audi Original equipment tires
    Audi Original equipment tires with the designation "AO" or "RO" have been specially matched to your Audi. When used correctly, these tires meet the highest standards of safety and handling. Your authorized Audi dealer will be happy to provide more information.
  3. Mud and snow capability
    "M/S" or "M+S" indicates the tire has characteristics that make it suitable for driving on mud and snow. indicates a winter tire.
  4. Composition of the tire cord and materials
    The number of plies indicates the number of rubberized fabric layers in the tire. In general: the more layers, the more weight a tire can carry. Tire manufacturers must also specify the materials used in the tire. These include steel, nylon, polyester and other materials.
  5. Maximum permitted load
    This number indicates the maximum load in kilograms and pounds that the tire can carry.
  6. Uniform tire quality grade standards for treadwear, traction and temperature resistance
    Treadwear, traction and temperature ranges.
  7. Running direction
    The arrows indicate the running direction of unidirectional tires. You must always follow the specified running direction.
  8. Maximum permitted inflation pressure
    This number indicates the maximum pressure to which a tire can be inflated under normal operating conditions.

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