can you burn regular unleaded gasoline in th G37?

Asked by Jan 26, 2011 at 12:53 AM about the 2011 INFINITI G37

Question type: General

And not do any damage?

9 Answers

925

I highly doubt it, I made that mistake in my Nissan Maxima and it spark knocked something terrible till I could get premium in it. On a car that nice, don't risk running regular.

5 people found this helpful.
8,275

if the car says premium fuel only then run premium fuel. if you cant afford the gas the car needs then you cant afford the car.

14 people found this helpful.
35

if u want to knock your engine, go ahead.... stick to unleaded....

3 people found this helpful.
140

Infinity recommends high octane fuels but you can use "Regular". If you plan to race i would use high octane...

14 people found this helpful.
110

I just purchased a 2011 G37, and the dealer told me to use regular gas unless I planned on red lining the engine and testing its performance. I don't drive like a race car driver, so I think I'll use regular.

11 people found this helpful.
180

Modern cars have knock sensors. Using regular in a high compression engine can cause knock. The sensors should detect it and automatically compensate by retarding the spark timing. Thus, car should run fine with slightly reduced performance and mileage

18 people found this helpful.

I use 93 and i red line all the time daily driving the cars to fun not to rearwheel drive G37 is a great car

10

dont do it , the engine is a 11:1 normal cars are 9:1 this means pre ignition is gonna be an issue

1 people found this helpful.
10

The engine in this car operates at an 11:1 compression ratio normal cars run on a 9:1 compression ratio , despite dual nock sensors the pre ignition will still cause problems , the nock sensors may not be able to adjust the advance enough to compensate . its like running gas in a diesel engine , a diesel runs on a 19:1 compression ratio

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