Buick Regal Forum : 2011 Buick Regal Forums - View Single Post - What brand of oil would you use for your Regal?
View Single Post
post #12 of (permalink) Old 03-14-2012, 05:01 PM Thread Starter
Inline4_driver
Member
 
Join Date: Jun 2010
Posts: 90
I used to use Royal Purple but I heard bad things about them plus it caused a knock in my engine. Now I use Castrol too.
Inline4_driver is offline  
 
 
For the best viewing experience please update your browser to Google Chrome