If they are the same make and size, yes.
yes
Yes they will fit.
Hummer H3 wheels
Yes
Yes
depends what type of van...if you're talking about the company it probably will. you just need to make sure that they have the same number of nuts to fasten the wheel.
Yes
Yes all USDM WRX's to date have been 5x100
Yes. They do fit.
yes it will fit, reason they are four nuts wheels
depending on if you have a small bolt or big bolt pattern wheels. the trucks though might have a larger size No. the off set is different.
If they are both 6 lug they should fit, the toyota wheels are usually not as wide as the chevy wheels