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11/07/2023 11:13 am
Topic starter
Is it safe to fill a 91 grade premium recommended car with 87 grade gas and to replenish with octane booster (STP Octane Booster) each time we fill the full gas tank?
Model of the Year/Car: 2020, Mercedes Benz GLC 300, 4matic SUV
3 Answers
1
11/07/2023 11:42 am
You're better off just buying the grade of gas that your vehicle calls for.
0
11/07/2023 12:10 pm
You'll end up spending more money by getting 87 & octane booster, just stick with 91. You also used the word "recommended", which tells me your car will still run on lower octane fuel, just make less power.
Thank you
Thank you
