Why does my car need premium fuel?

Answer With today's high fuel prices, many people who have performance cars that require high-octane gas may be wondering why they should pay an extra 30 cents a gallon for it. While modern cars may not n... Read More »

Top Q&A For: Why does my car need premium fuel

Does an RX-8 need premium fuel?

A 2010 Mazda RX-8 sports car requires premium, unleaded 91 octane fuel to function optimally. The car is available in both a six-speed manual and automatic transmission styles and has a 1.3L, two-r... Read More »

Why does my car say to use premium fuel?

A car is required to use premium fuel because it has a high-compression engine.High-Compression EngineA high-compression engine extracts more mechanical energy from a given mass of air-fuel mixture... Read More »

Can you put regular fuel in a premium car?

"Car and Driver" magazine found that regular fuel will work in cars that makers classified as "premium." But there can be knocking and decreased performance from approximately 5 percent to 10 perce... Read More »

Does the Acura RDX require premium fuel?

Yes, the 2010 Acura RDX requires premium fuel, according to the Acura website. Specifically, the suggested fuel for optimum performance is a premium unleaded, with a 91 octane rating. The Acura RDX... Read More »