See also:

New Designs for 2011
In front, the 2011 WRX STI models feature sharpened bumper corners and wider, blacked-out fog lamp nacelles to accentuate the "wide and low" profile. A jutting lip spoiler with three-dim ...

Treadwear
The treadwear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions on a specified government test course. For example, a tire graded 150 would we ...

Tire pressures and wear
Maintaining the correct tire pressures helps to maximize the tires’ service lives and is essential for good running performance. Check and, if necessary, adjust the pressure of each tire (includin ...