Cadillac Seville northstar

Asked by Nov 05, 2016 at 03:54 PM about the 2001 Cadillac Seville SLS FWD

Question type: General

Should I use premium gas in my 2001 Seville
northstar? I've been using regular gas.

1 Answer

113,695

Yes, I run premium fuel in my Cadillac, there have been a few occasions that I did happen to put regular in it and there was a significant drop in fuel mileage and performance. Judging by the drop in mileage and performance using premium fuel is well worth it, when everything is as it should be these rigs really get with it.

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