cold start vibration in drive

What is your question?

2005 buick rainier. when my car is still cold I get a vibration when putting into drive. there is no vibration in reverse or nuetral once car is warm vibration seems to go away I have 198,000 miles on her. just a little concerned before any possible major breakdown??? No leaks runs great, just this vibration.

What makes this problem better or worse?

vibration only in drive & when cold

How long has your 2005 Buick Rainier had this problem?

couple months, but not driven much