What octane gas to use

Asked by GuruCF32X Mar 09, 2019 at 10:36 AM

Question type: Maintenance & Repair

I have a 2016 Yukon (SLT) , what octane gas should I use for best
performance?

2 Answers
21,875

Gary answered 5 years ago

Should be a decal by the fuel door the shows the minimum octane. Fueling with higher octane will not help performance as the engine computer is programmed for the recommended octane fuel.

Mark helpful
70,075

Kelly answered 5 years ago

also if the engine does not need more octane it wont run any better with a higher grade..but if your up in the mountains and or hot dog it,put the best gas you can find.

Mark helpful

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