Tires
Sample tire mark and its meaning
-
Nominal section width
-
Nominal aspect ratio in %
-
Construction code
-
Nominal rim diameter in inches
-
Load index (not on ZR tires)
-
Speed symbol
-
Mud and snow
Tire mark information
Choose the proper tires for your vehicle using the following tire mark information.
|
Speed symbol |
Maximum permissible speed |
|---|---|
|
Q |
Up to 160 km/h (99 mph) |
|
R |
Up to 170 km/h (105 mph) |
|
S |
Up to 180 km/h (111 mph) |
|
T |
Up to 190 km/h (118 mph) |
|
U |
Up to 200 km/h (124 mph) |
|
H |
Up to 210 km/h (130 mph) |
|
V |
Up to 240 km/h (149 mph) |
|
W |
Up to 270 km/h (167 mph) |
|
Y |
Up to 300 km/h (186 mph) |
|
ZR |
Over 240 km/h (149 mph) |
Tire and inflation pressure
The tires have been optimally matched with the chassis of your vehicle.
When replacing tires, Mazda recommends that you replace tires of the same type originally fitted to your vehicle. For details, contact an Authorized Mazda Dealer.
Check the tire pressure label for tire size and inflation pressure.
Refer to Tire Pressure Label (Search).
Standard tire
(U.S.A. and Canada)
|
Tire size |
Inflation pressure |
|
|---|---|---|
|
Front |
Rear |
|
|
265/55R19 109V |
250 kPa (2.5 bar, 36 psi) |
250 kPa (2.5 bar, 36 psi) |
|
275/45R21 110W*1 |
250 kPa (2.5 bar, 36 psi) |
270 kPa (2.7 bar, 39 psi) |
Single occupant’s weight: About 75 kg
-
Before driving at high speeds, increase the pressure of the tires. For speeds above 175 km/h (109 mph), increase the pressure of the tires by 40 kPa (0.4 bar, 5.8 psi).
After high-speed driving, returning to standard tire pressure is recommended.
Temporary spare tire (Some Models)
|
Tire size |
Inflation pressure |
|---|---|
|
T155/90D18 113M |
420 kPa (4.2 bar, 60 psi) |
Lug nut tightening torque
When installing a tire, tighten the lug nut to the following torque.
108―147 N·m (12―14 kgf·m, 80―108 ft·lbf)
