Hyundai sonata Owner's Manual page 494

Maintenance
1. Manufacturer or brand name
Manufacturer or brand name is
shown.
2. Tire size designation
A tire's sidewall is marked with a
tire size designation. You will need
this information when selecting
replacement tires for your car.
The following explains what the
letters and numbers in the tire size
designation mean.
Example tire size designation:
(These numbers are provided as
an example only; your tire size
designator could vary depending on
your vehicle.)
205/65R16 95H
Tire width in millimeters.
205 -
65 - Aspect ratio. The tire's section
height as a percentage of its
width.
R - Tire construction code (Radial).
16 - Rim diameter in inches.
Load Index, a numerical code
95 -
associated with the maximum
load the tire can carry.
Speed Rating Symbol. See the
H -
speed rating chart in this section
for additional information.
8-40
Wheel size designation
Wheels are also marked with
important information that you need
if you ever have to replace one. The
following explains what the letters
and numbers in the wheel size
designation mean.
Example wheel size designation:
6.5J X 16
OLMB073028
6.5 - Rim width in inches.
Rim contour designation.
J -
16 - Rim diameter in inches.
Tire speed ratings
The chart below lists many of the
different speed ratings currently
being used for passenger vehicle
tires. The speed rating is part of the
tire size designation on the sidewall
of the tire. This symbol corresponds
to that tire's designed maximum safe
operating speed.
Speed Rating
Symbol
S
T
H
V
W
Y
Maximum Speed
112 mph (180 km/h)
118 mph (190 km/h)
130 mph (210 km/h)
149 mph (240 km/h)
168 mph (270 km/h)
186 mph (300 km/h)