Tire size

Example: 255/55 R 19 107 V
255: nominal width in mm
55: aspect ratio in %
R: radial tire code
19: rim diameter in inches
107: load rating, not for ZR tires
V: speed rating, before the R on ZR tires

Speed letter

Q = up to 100 mph/160 km/h
T = up to 118 mph/190 km/h
H = up to 131 mph/210 km/h
V = up to 150 mph/240 km/h
W = up to 167 mph/270 km/h
Y = up to 186 mph/300 km/h

    See also:

    Notes
    Use while driving If on a rare occasion it is necessary to use the parking brake while driving, do not use excessive force when applying it. When using it, keep the button on the lever dep ...

    Function
    After the safety belt is buckled and the door is closed, the front belts are automatically tightened once after the vehicle is driven is away. In critical driving situations, the following indivi ...

    Hydroplaning
    On wet or slushy roads, a wedge of water can form between the tires and road surface. This phenomenon is referred to as hydroplaning. It is characterized by a partial or complete loss of contact ...