Can an Acura TL run on regular gas?
In general, Acura TL models are designed to run on premium gasoline (typically 91 octane or higher). Regular 87 octane is not recommended for most TL models and can reduce performance or cause knocking in high-compression engines.
The exact fuel requirement can vary by generation and engine, so it’s important to verify for your specific year. This article lays out what to expect across generations and what to do if you only have regular gas on hand.
Generation-by-generation fuel requirements
Here’s a quick breakdown of the recommended octane by TL generation.
- 1999–2003 Acura TL (2nd generation): Premium unleaded gasoline is required for optimal performance; 91 octane or higher is recommended.
- 2004–2008 Acura TL (3rd generation): Premium unleaded gasoline is required; 91 octane or higher is recommended.
- 2009–2014 Acura TL (4th generation): Premium unleaded gasoline is required; 91 octane or higher is recommended.
Regardless of generation, using premium gasoline is the safest choice to preserve performance, fuel economy, and engine longevity. If you reach the end of a fuel range with regular gas, refuel with premium as soon as possible.
What happens if you use regular gas?
Regular gasoline may be tolerated temporarily in some engines, but it can lead to a set of symptoms and risks for the TL’s high-compression V6 engines.
- Engine knocking or pinging under load, especially in hot or steep conditions.
- Reduced power and throttle response, with slower acceleration.
- Lower fuel economy and potential loss of performance.
- Increased emissions and potential malfunction indicators over time.
- Possible knock sensor adjustments and, in prolonged use, risk to engine longevity if detonation persists.
If you hear pinging or experience noticeable performance drops while fueled with regular, it is wise to refuel with premium and have the vehicle checked if the issue continues.
Tips for refueling and octane management
To maintain peak performance and minimize risk, consider these best practices when fueling an Acura TL.
- Always use premium gasoline (91 octane or higher) as recommended by the manual and specifications for your TL year.
- Choose Top Tier gasoline brands, which meet higher detergent standards that help keep the injectors clean.
- Avoid letting the tank run very low; refuel with premium before long trips or heavy loads whenever possible.
In short, consistent use of premium fuel is the recommended approach to maintain performance and reliability in the TL lineup.
How to confirm your TL’s octane requirement
To be certain, refer to official sources and your vehicle’s labeling. Here are reliable ways to verify the octane requirement for your specific car.
- Check the owner’s manual, which lists the recommended fuel type and octane rating for your exact model/year.
- Look for a label near the fuel filler door or under the fuel cap that states the required fuel type and minimum octane.
- Contact a Honda/Acura dealer or customer service with your VIN for precise fuel requirements.
Following the owner's manual and in-car labeling ensures you use the correct fuel for optimal performance and durability.
Summary
Across its generations, the Acura TL is designed to run on premium gasoline (typically 91 octane or higher). Regular unleaded is not recommended and can lead to knocking, reduced power, and lower fuel economy. If you accidentally fuel with regular, refuel with premium at the next opportunity and monitor engine response. Always verify the exact requirement for your year in the owner's manual or from Acura directly.
Does a 2014 Acura TL require premium gas?
According to Acura, premium gas is recommended or required for the Acura Integra, Acura RDX, Acura TLX, and Acura MDX. The answer to the question, “Does Acura require premium gas for all its models?” is no — but it's recommended that you use a higher-octane fuel in your Acura for several reasons.
What happens if I accidentally put regular gas in my Acura?
Accidentally using regular gas in an Acura designed for premium won't cause damage but may reduce performance.
Can you put regular gas in an Acura TL?
Acura vehicles are designed for high performance, and fueling them with premium gas is sure to keep that precision engineering going for years to come.
What happens if I put 87 in my Acura?
Possible Engine Knocking: Lower-octane fuel can cause engine knocking (a knocking sound), which can be damaging over time. Lower Fuel Efficiency: Regular gas may not burn as efficiently as premium fuel, which can cause lower miles per gallon (MPG).
