Mazda 2008 Mazda3 4-Door Owner's Manual page 386

Specifications
qTires
NOTE
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 Inflation Pressure on page 8-35.
Standard tire
Tire size
P195/65R15 89H
P205/55R16 89H
P205/50R17 88V
215/45R18 93Y
Temporary spare tire
T115/70D15 90M
T125/70D16 96M
T125/70D17 98M
qFuses
Refer to the fuse rating on page 8-50.
10-8
230 kPa (34 psi)
220 kPa (32 psi)
220 kPa (32 psi)
230 kPa (34 psi)
Tire size
Inflation pressure
Front Rear
230 kPa (34 psi)
220 kPa (32 psi)
220 kPa (32 psi)
220 kPa (32 psi)
Inflation pressure
420 kPa (60 psi)