Should the Equinox use 92 or 95 octane gasoline?
2 Answers
The Equinox is equipped with two turbocharged engines across its lineup, so it is recommended to use 95 octane gasoline. Gasolines with different octane ratings have varying levels of octane; the higher the octane rating, the higher the octane level, and the better the anti-knock performance of the gasoline. The appropriate octane rating to use depends on the compression ratio of the car's engine. Below is relevant information about compression ratios: 1. For a compression ratio between 7.5 and 8.0, 90 octane gasoline should be used. 2. For a compression ratio between 8.0 and 8.5, 90 to 93 octane gasoline should be used. 3. For a compression ratio between 8.5 and 9.5, 93 to 95 octane gasoline should be used. 4. For a compression ratio between 9.5 and 10, 95 to 97 octane gasoline should be used.
After driving for over a decade, I've found that the Equinox runs perfectly fine on 92 octane fuel. The manual clearly states that 92 is the minimum recommended. I've been using 92 all along, and the car runs smoothly without any issues—no need to waste money on 95. Higher octane like 95 can prevent knocking, but you won't notice any difference in normal driving. Only consider 95 if you live at high altitudes or frequently haul heavy loads; otherwise, stick with 92. Also, remember that regular maintenance like oil and filter changes is far more important. As long as you use the right fuel grade, you won’t run into problems, saving you trips to the repair shop and unnecessary expenses.
