19 inch to 20 inch

[The14SHO]

My question for everyone is I found some used 20 inch rims I like but my SHO currently has 19 inch. Will I have problems? Will I have to do something to car?

 

[sm105k]

My question for everyone is I found some used 20 inch rims I like but my SHO currently has 19 inch. Will I have problems? Will I have to do something to car?

They may fit.  You need to find out if they have the correct lug pattern and what the off set is.