The tire/rim size of a 2003 Oldsmobile Alero is listed right here.
Tire Size - 215/60/R15"
The rim size is 15 inches, so I am not sure about 20 inches. You might want to consult a Mechanic.
yes, I have 20 inch on mine
yes it can i have a 2001 alero gls and it comes with 16" stock rims and 205/55/r16 tires
yes they will with a low pro tire
Yes they will
Will 22 rims fit on my Buick regal 2003
I bet youll make it fit
yes
no
No, you can not put 15 inch tires on 16 inch rims.
You don't.
On the roof maybe.
No, 17 inch rims can not fit on 16 inch wheels.