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How big is the gas tank on a 2007 Acura RL?

The 2007 Acura RL is equipped with an 18.5-gallon (about 70 liters) fuel tank. This official capacity provides a substantial driving range between fills and is consistent with other mid‑size luxury sedans of its era.


Official capacity and what it means


Understanding the tank size helps you estimate how often you’ll need to refill and how far you can travel on a full tank. The RL’s capacity is published in manufacturer specifications and owner documentation, and it is effectively constant for model year 2007 across the US market.


Before diving into the specifics, here are the key figures you should know:



  • Capacity: 18.5 US gallons (approximately 70 liters).

  • Measurement variations: Some sources list 18.5 to 18.8 gallons depending on production date or measurement method.

  • Fuel type: Premium unleaded gasoline is generally recommended for best performance and efficiency.


In short, the RL’s gas tank holds about 18.5 gallons, with minor variation possible based on production details and measurement method.


Fuel and range considerations


How far you can drive on a full tank depends on driving conditions, traffic, and your vehicle’s fuel economy. The 2007 RL’s engine and transmission are designed to balance performance with efficiency, but real-world range will vary. Planning around typical driving patterns and keeping the tank above a quarter full can help minimize the risk of running low on the road.


Practical tips for owners


To get the most out of your tank you can follow standard practices: keep the fuel cap properly sealed, use the recommended fuel type, and maintain your vehicle to preserve fuel economy. If you notice noticeably poorer range or performance, it may be worth having the fuel system and air intake checked for any issues.


What to check if you’re buying used


When evaluating a used 2007 RL, confirm the vehicle’s service history and verify the tank’s condition. A well-maintained car should deliver predictable range based on its era and mileage, without signs of leaking or unusual fuel-system problems.


Summary


The 2007 Acura RL carries an official fuel tank capacity of 18.5 gallons (about 70 liters). This figure remains fairly consistent across typical model-year variations, with minor discrepancies possible due to production differences. For best performance and efficiency, use premium unleaded gasoline as recommended and maintain the vehicle to preserve fuel economy. In practice, your actual driving range will depend on how you drive and the conditions you encounter.

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.