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Can I put regular gas in my 2012 Acura TL?

Yes. The 2012 Acura TL is designed to run on regular unleaded gasoline (87 octane); premium fuel is not required for normal driving.


In this article, we explain the octane requirements, fuel compatibility, and practical fueling tips to help you keep your TL running smoothly and avoid common fueling pitfalls.


Octane requirements and performance


Key octane considerations for the TL cover what level of octane you need, when you might consider higher-octane fuel, and how the engine responds to different fuels.



  • 87 octane (regular) is suitable as the minimum for daily driving in most 2012 TL models with the standard V6 engine.

  • Higher-octane fuels (89–93, i.e., mid-grade or premium) are optional and may be used to potentially improve throttle response or minimize knocking in hot climates, heavy loads, or aggressive driving, but they are not required for normal operation.

  • The engine is equipped with a knock sensor and ECU timing adjustments, so it can run on regular fuel without damage under typical driving conditions. If you hear persistent knocking or pinging on 87 octane, consider using a higher-octane fuel and consult the manual or a mechanic.

  • If you routinely drive in demanding conditions (e.g., extreme heat, towing, or spirited driving), you might experiment with premium fuel to see if you notice any performance or smoothness differences.


In practice, most daily driving scenarios will perform well on regular 87-octane gasoline, with premium reserved for specific situations if you notice knocking or if you want potential marginal gains in performance.


Fuel compatibility and safety


These guidelines cover what types of fuel are appropriate and how to avoid common fueling pitfalls.



  • This vehicle is designed to run on regular unleaded gasoline with up to 10% ethanol (E10). Do not use fuels containing higher ethanol content such as E15 or E85 unless the owner’s manual for your exact model explicitly specifies compatibility.

  • Avoid methanol-rich fuels or any fuels with additives not approved for your engine. Use fuels from reputable stations and follow the manufacturer’s recommendations.

  • Top Tier gasoline is not required, but using Top Tier brands can help reduce deposit buildup and keep fuel system components cleaner over time.


Adhering to these compatibility guidelines helps prevent fuel-system deposits, knock-related issues, and potential warranty concerns, while ensuring reliable starting and performance.


What to do if you experience knocking or performance issues


When to consider switching fuel or seeking service


If you hear persistent knocking, pinging, or noticeable loss of performance on regular gasoline, try a higher-octane fuel and monitor for improvements. If problems continue, consult your Acura dealer or a qualified mechanic to rule out other issues such as ignition, fuel delivery, or sensor problems.


Summary


For the 2012 Acura TL, regular unleaded gasoline (87 octane) is generally sufficient for everyday driving. Premium fuel is optional and may offer marginal benefits under certain conditions, but is not required. Use gasoline with up to 10% ethanol (E10), avoid higher-ethanol blends unless specified, and choose reputable fuels to maintain engine performance and reliability. If you notice knocking or persistent performance issues, consider premium fuel and seek professional advice.

Can an Acura take regular gas?


Most Acura models will run on regular gas, but the manufacturer recommends premium fuel for optimal performance and efficiency. While your car won't be damaged by using regular gas, you may experience reduced performance. The only Acura that requires premium fuel is the NSX. Always check your owner's manual or the label inside the fuel filler door for the specific recommendation for your vehicle. 
Important considerations

  • Performance: Using regular gas can lead to reduced engine performance and acceleration in recommended premium models because the engine may adjust its timing to compensate for the lower octane. 
  • Engine Knock: Premium fuel is less likely to pre-ignite, which is a condition known as engine knock. Acura's modern engines have knock sensors to prevent this, but using the recommended fuel helps avoid the need for the engine to compensate for knock. 
  • Fuel Economy: There may be a slight decrease in fuel economy when using regular gas instead of premium. 
  • Required vs. Recommended: For most models like the MDX, RDX, and TLX, premium is recommended, but not required. The NSX is the exception and requires premium fuel. 
  • What to do: To find out exactly what your car needs, check the inside of your fuel filler door or your owner's manual. 



What happens if you put regular gas in an Acura TL?


Acura cars and SUVs are designed to get the best performance possible. With many now incorporating turbochargers, higher compression, and variable timing, regular-grade gas can cause pinging. Pinging, or spark knock, happens when fuel detonates before the spark plug ignites the air-fuel mixture in the cylinder.



Does a 2012 Acura TL need premium gas?


While your Acura vehicle will run fine on regular gasoline, using the recommended premium unleaded 91-octane fuel is sure to boost performance, increase longevity, and keep your Acura running as it should, providing you with the peace of mind you've been seeking.



What happens if I accidentally put regular gas in my Acura?


While using regular gas in your Acura RDX won't likely cause immediate damage, consistently doing so may lead to reduced performance and potentially higher maintenance costs.


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.