See also:

Vehicle capacity weight
The load capacity of your vehicle is determined by weight, not by available cargo space. The maximum load you can carry in your vehicle is shown on the vehicle placard attached to the driver’s ...

Determining compatibility of tire and vehicle load capacities
The sum of four tires’ maximum load ratings must exceed the maximum loaded vehicle weight (“GVWR”). In addition, sum of the maximum load ratings of two front tires and of two rear tires must excee ...

Engine Changes
Complete redesigns tend to bring the most dramatic changes, from the styling to the mechanics. A few things have changed in the WRX drivetrain, but I fear it's not enough. The 2008 model seems exa ...