pitbull25 Posted February 2, 2008 Report Share Posted February 2, 2008 what is the best motor oil that i should be using for my 07' cts sport? brand? type? reg or syn? Link to comment Share on other sites More sharing options...
Ranger Posted February 2, 2008 Report Share Posted February 2, 2008 The "best" oil to use is your favorite. Use the type and viscosity recommended in your owners manual and change it when you are supposed to. This war has been fought so many times, if you do a search you'll find enough reading to keep you out of trouble for a long time. Bottom line is, there is no "best" oil. They all do the same job and they do it well. Link to comment Share on other sites More sharing options...
abad95 Posted February 5, 2008 Report Share Posted February 5, 2008 Whatever type the manufacturer recommends,and then the most inexpensive one. (Walmart has Supertech which is what I use on my 95 STS with 196000 miles). Florin Link to comment Share on other sites More sharing options...
Dasher Posted February 6, 2008 Report Share Posted February 6, 2008 The 08 CTS requires Mobil One which I have never used before. Link to comment Share on other sites More sharing options...
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