See also:

Fuel
CAUTION Use of a fuel which is low in quality or use of an inappropriate fuel additive may cause engine damage. ...

Safety
As of this writing, the all-new Impreza hasn't been crash-tested. The WRX retains its Top Safety Pick designation from the Insurance Institute for Highway safety, having earned top scores of Good ...

Fuel
Use of a fuel which is low in quality or use of an inappropriate fuel additive may cause engine damage. ...