What type of gas do you put in a 2006 3.6l Cadillac CTS

Asked by Stan May 10, 2015 at 08:28 PM about the 2006 Cadillac CTS 3.6L RWD

Question type: Maintenance & Repair

4 Answers
143,815

T_S_T answered 8 years ago

Ethanol free,is best,but you pay more at the pump for it,but it will run better in the car.

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Mc answered 8 years ago

I just used regular unleaded in my '12 CTS Coupe. Ran fine for me.

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635

JC_Cadillac answered 8 years ago

When I had a 2006 CTS w/ 3.6L, I ran Regular 87 Unleaded Fuel with an occasional tank of 91 Supreme or bottle of high octane additive (every 8- 12 tanks). Never experienced a problem. Currently, I have a 2011 CTS Sedan w/ 3.6L and I observe the same fueling guidelines. In our 2012 CTS-V Coupe, we run 91 exclusively. Hope that this helps.

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