Should the Regal 1.5T use 92 or 95 octane gasoline?

1 Answers
OliviaDella
07/30/25 4:56am
For the Regal 1.5T, using 92 octane gasoline is sufficient. This octane rating allows the gasoline to perform optimally in the Regal 1.5T. Of course, the Regal 1.5T can also use 95 octane gasoline. However, it's important to note that once you start using 95 octane gasoline, you should not switch back to 92 octane. Switching from a higher octane to a lower octane gasoline can negatively impact the vehicle's engine. To avoid shortening the engine's lifespan, it's crucial not to alternate between higher and lower octane gasoline after using the higher grade.
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