Rim
Thisisthe part of the wheel on which the tire
is mounted.
GAWR(Gross Axle Weight Rating)
The GAWRisthe maximum grossaxleweight
rating. The actual loadonanaxlemustnever
exceedthe grossaxleweightrating. The gross
axleweightrating can be found on the vehicle
identification plate on the B-pillar on the driv-
er's side.
Speed rating
The speed rating is part of the tire identifica-
tion. It specifies the speed rangefor which the
tire is approved.
GVW (Gross VehicleWeight)
The grossvehicle weightincludes the weight
of the vehicle including fuel, tools, the spare
wheel,accessoriesinstalled, occupants, lug-
gage and the drawbar noseweight, if applica-
ble. The grossvehicle weightmustnot exceed
the grossvehicle weightrating GVWRasspeci-
fiedonthe vehicle identification plate on the
B-pillar on the driver'sside.
GVWR (Gross VehicleWeight Rating)
The GVWRisthe maximum permissible gross
weightofafully loaded vehicle (the weightof
the vehicle including allaccessories, occu-
pants, fuel, luggage and the drawbar nose-
weight, if applicable). The grossvehicle weight
rating is specified on the vehicle identification
plate on the B-pillar on the driver'sside.
Maximum loaded vehicle weight
The maximum weightisthe sumof:
R
the curb weightofthe vehicle
R
the weightofthe accessories
R
the loadlimit
R
the weightofthe factory installed optional
equipment
Kilopascal (kPa)
Metricunitfor tire pressure. 6.9 kPa corre-
sponds to 1psi.Another unitfor tire pressure
is bar. 100 kilopascals (kPa)are the equivalent
of 1bar.
Load index
In addition to the load-bearing index, the load
index may also be imprintedonthe sidewallof
the tire.Thisspecifies the load-bearing capa-
city more precisely.
Curb weight
The weightofavehicle with standard equip-
ment including the maximum capacity of fuel,
oil and coolant. It also includes the air-condi-
tioning system and optionalequipment if these
are installed in the vehicle,but doesnot
includepassengers or luggage.
Maximum load rating
The maximum loadrating is the maximum per-
missible weightinkilograms or lbsfor which a
tire is approved.
Maximum permissibletire pressure
Maximumpermissible tire pressure for one
tire.
Maximum load on onetire
Maximumloadonone tire.Thisiscalculated
by dividing the maximum axleloadofone axle
by two.
PSI (pounds per square inch)
Astandard unitofmeasure for tire pressure.
Aspectratio
Relationship between tire height and tire width
in percent.
Tire pressure
Thisispressure inside the tire applying an out-
ward force to each square inch of the tire's
surface. The tire pressure is specified in
pounds per square inch (psi),inkilopascal
(kPa)orinbar.The tire pressure shouldonly
be corrected whenthe tiresare cold.
Cold tire pressure
The tiresare cold:
R
if the vehicle hasbeenparked with the tires
outofdirect sunlight for at leastthree hours
and
R
if the vehicle hasnot beendriven further
than 1mile(1.6 km)
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Allabout wheels and tires
Wheels and tires
