Kia XCeed 2020 Owner's Manual page 616

Maintenance
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.)
205/55R16 or 205/60R16 108T
205 - Tire width in millimeters.
55 or 60 - Aspect ratio. The tire's
section height as a percentage of its
width.
R - Tire construction code (Radial).
16 - Rim diameter in inches.
108 - Load Index, a numerical code
associated with the maximum load
the tire can carry.
T - Speed Rating Symbol. See the
speed rating chart in this section for
additional information.
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
6.5 - Rim width in inches.
J - Rim contour designation.
8 66
16 - Rim diameter in inches.
Tire speed ratings
The chart below lists many of the
different speed ratings currently
being used for passenger car 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
3. Checking tire life (TIN : Tire
Identification Number)
Any tires that are over 6 years old,
based on the manufacturing date,
(including the spare tire) should be
replaced by new ones. You can find
the manufacturing date on the tire
sidewall (possibly on the inside of
the wheel), displaying the DOT Code.
Tires and wheels
Maximum Speed
180 km/h (112
mph)
190 km/h (118
mph)
210 km/h (130
mph)
240 km/h (149
mph)
270 km/h (168
mph)
300 km/h (186
mph)