Asked by Oct 30, 2014 at 11:35 AM about the 2008 Cadillac DTS V8

Question type: Maintenance & Repair


2 Answers


GM recommends a Synthetic blend 5W-30: dexos1. Any brand will be fine, and Full Synthetic would be better but not necessary.

3 out of 3 people think this is helpful.

Tom is right. In most all cases, a synthetic blend is the preferred choice. An exception would be a high mileage car. In that case, you may want to avoid full synthetic.

2 out of 2 people think this is helpful.

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