Subaru Impreza Manuals 2018 Impreza Owner's Manual | Page 435

12-8
Specifications / Specifications
& Electrical system
S12AA03
Battery type
75D23L
Alternator
12V-130A
Spark plugs
DILKAR7B8( NGK)
& Tires
S12AA05
Tire size
P205 / 55R16 89V
205 / 50R17 89V
P225 / 40R18 88V
Wheel size
16 6 6 1 / 2 J
17 6 7 J
18 6 7 1 / 2 J
Pressure
Front
33 psi( 230 kPa, 2.3 kgf / cm 2)
Rear
32 psi( 220 kPa, 2.2 kgf / cm 2)
Wheel nut tightening torque
89 lbf · ft( 120 N · m, 12 kgf · m)* 1
* 1: This torque is equivalent to applying approximately 88 to 110 lbf( 40 to 50 kgf) at the end of the wheel nut wrench. If you have tightened the wheel nuts by yourself, have the tightening torque checked at the nearest automotive service facility as soon as possible. For the wheel nut tightening procedure, refer to“ Changing a flat tire” ☞9-6.