Cadillac Forum - Enthusiast forums for Cadillac Owners

Cadillac Forum - Enthusiast forums for Cadillac Owners (https://www.cadillacforum.com/forum/)

- Cadillac CTS (https://www.cadillacforum.com/forum/cadillac-cts-11/)

- - Oil/Fuel (https://www.cadillacforum.com/forum/cadillac-cts-11/oil-fuel-4750/)

deanml

12-23-2007 12:55 PM

Oil/Fuel

I recently bought an 03 CTS sport luxury (pick it up tomorrow) and was wondering what oil and fuel are you using in your '03CTS's?

Cheers.

slowroll

12-23-2007 01:05 PM

RE: Oil/Fuel

Car is designed to run on 87 octane. Recommended oil is 5w30 conventional oil, as long as API sunburst is on oil bottle it will be fine. 04 required 5w30 MOBIL 1 whiching up to it is up you.

deanml

12-24-2007 03:25 PM

RE: Oil/Fuel

Thanks, I picked up the car this morning, the seller says he was running Sunoco 94 in it. Will this fuel run too hot? (My thanks to Cadillac for the clock inplace of a temperature guage) and Castrol Synthetic.

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