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Does the Acura MDX really need premium gas?

The short answer is yes, the Acura MDX does require premium gasoline. This luxury SUV from Honda's premium brand is designed to run on higher-octane fuel for optimal performance and efficiency.


Understanding the Acura MDX's Fuel Requirements


The Acura MDX is powered by a 3.5-liter V6 engine that is tuned to deliver maximum power and torque when using premium gasoline (91 octane or higher). This engine is designed with a high compression ratio, which means it requires a fuel with a higher octane rating to prevent knocking or pinging during combustion.


Using regular 87-octane gasoline in the Acura MDX can result in reduced power, decreased fuel economy, and potentially cause engine damage over time. web> The manufacturer specifically recommends premium fuel to ensure the vehicle runs at its best and maintains long-term reliability.


The Benefits of Premium Fuel in the Acura MDX



  • Improved Performance: The higher octane rating of premium fuel allows the engine to produce more power and torque, resulting in better acceleration and overall driving dynamics.

  • Enhanced Fuel Efficiency: Premium gasoline can improve fuel economy by a few miles per gallon compared to regular fuel, helping to offset the higher cost per gallon.

  • Reduced Engine Wear: The cleaner-burning properties of premium fuel can help reduce carbon buildup and other deposits that can lead to decreased engine performance and lifespan.


While the Acura MDX does require a bit more investment at the pump, the benefits of using premium gasoline make it a worthwhile choice for owners who want to maximize the performance and longevity of their luxury SUV.

What kind of gas does an Acura MDX take?


Acura RDX: Premium unleaded 91-octane fuel recommended. Acura MDX: Premium unleaded 91-octane fuel recommended. Acura NSX: Premium unleaded 91-octane fuel required/Premium unleaded 93-octane recommended.



What happens if you don't use premium gas in an Acura MDX?


No, but Acura recommends it. You can certainly use regular gasoline in your MDX. Many Acura models even include knock sensors to prevent pre-ignition, which keeps your car safer on the Freehold roads. But if you want to enjoy the full potential of your luxury car, premium gasoline is the way to go.



Is the Acura MDX good on gas?


The 2024 Acura MDX is the most fuel-efficient the SUV has ever been, with the standard engine capable of reaching the aforementioned 19 mpg in the city and 26 mpg on the highway*.



What will happen if I put regular gas in a premium car?


However, remember this: when a premium fuel engine runs on regular fuel, there's a risk of combustion of the fuel mix before the spark plug even lights up. This causes a phenomenon called knocking, which is likely to damage the engine.



Does the 2025 Acura MDX require premium gas?


According to Acura, premium gas is required for the Acura NSX, and it's recommended for the MDX, RDX, TLX, RLX, and ILX. The answer to the question, “Do all Acuras require premium gas?” is no — but it's recommended that you use a higher-octane fuel in your Acura for several reasons.



What happens if I use 87 instead of 91?


If you put lower-octane fuel into your high-octane vehicle, whether by mistake or to save money on gas, you'll probably notice the effects right away: things like poor fuel economy, reduced acceleration, and spark knock, which sounds like a high-pitched pinging or rattling noise.



What happens if you accidentally put regular gas instead of premium in an Acura?


An Acura spokesperson referred us to the TLX's owner's manual, which states, “Use of lower-octane gasoline can cause occasional metallic knocking noise in the engine and will result in decreased engine performance.”



Does an Acura really need premium gas?


Do All Acuras Require Premium Gas? Like we stated, premium gas is only recommended on the MDX, RDX, TLX, RLX, and ILX Acura models. You'll be safe on our Cherry Hill roads using regular gas in these automobiles. However, the engines in these models are designed for optimal performance when high-octane fuel is used.



Does my car actually need premium gas?


Should I use regular or premium gas? You should use the type of fuel the vehicle's manufacturer recommends. A vehicle that runs on regular gas will not run any better on premium fuel. Using premium gas in a vehicle designed for premium gas will help the car perform better and avoid damaging the engine with regular gas.



Will regular gas ruin my premium car?


However, remember this: when a premium fuel engine runs on regular fuel, there's a risk of combustion of the fuel mix before the spark plug even lights up. This causes a phenomenon called knocking, which is likely to damage the engine.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.