Subaru WRX & WRX STI Manuals 2015 WRX & WRX STI Owner's Manual | Page 446

Maintenance and service/Tires and wheels

11-33

. Correct tire pressure (tread worn
evenly)

. Abnormally low tire pressure (tread
worn at shoulders)

. Abnormally high tire pressure (tread
worn in center)

Roadholding is good, and steering is
responsive. Rolling resistance is low, so
fuel consumption is also lower.

Rolling resistance is high, so fuel consumption is also higher.

Ride comfort is poor. Also, the tire
magnifies the effects of road-surface
bumps and dips, possibly resulting in
vehicle damage.
If the tire placard shows tire pressures for
the vehicle when fully loaded, adjust the
tire pressures to the values that match
current loading conditions.

WARNING
Driving at high speeds with excessively low tire pressures can cause
the tires to deform severely and to
rapidly be 6