Which Cars Require 98 Octane Fuel?

1 Answers
KeiraAnn
07/30/25 2:03am
Cars with engine compression ratios of 10 or higher require 98 octane fuel, as these vehicles have higher fuel grade requirements; luxury cars or sports cars with sophisticated engine systems or complex electronic systems; vehicles whose fuel tank caps are labeled "Please use 95 octane or higher gasoline" should also use 98 octane fuel. Below is relevant information about 98 octane fuel: Advantages of 98 octane fuel: The advantages of 98 octane fuel are "two highs and two lows," meaning higher anti-knock performance and power output, while containing lower levels of harmful substances and producing less exhaust pollution. Vehicles suitable for 98 octane fuel: Due to its high octane rating and premium price, 98 octane fuel is primarily used by luxury cars and is often referred to as "noble gasoline." It is also defined as suitable for gasoline-powered vehicles with engine compression ratios above 11.6.
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