Loading

How big is the RX 450h gas tank?


The Lexus RX 450h is a popular luxury hybrid SUV known for its fuel efficiency, comfort, and advanced features. One of the key specifications that many drivers are curious about is the size of its gas tank. Understanding the gas tank capacity is essential for planning long trips and estimating fuel stops. In this article, we’ll explore the gas tank size of the RX 450h and what it means for your driving experience.


Gas Tank Capacity of the Lexus RX 450h


The gas tank capacity of the Lexus RX 450h varies slightly depending on the model year and trim level. However, for most recent models, the gas tank size is approximately 17.2 gallons. This capacity allows the RX 450h to offer an impressive driving range, especially when combined with its hybrid powertrain, which optimizes fuel efficiency.


Why Does Gas Tank Size Matter?


The size of a vehicle's gas tank plays a significant role in determining how far you can travel before needing to refuel. Here are a few reasons why knowing your gas tank size is important:



  • Long-Distance Travel: A larger gas tank means fewer stops for fuel, making it ideal for road trips.

  • Fuel Efficiency: When paired with the RX 450h's hybrid system, the 17.2-gallon tank provides an extended range, reducing the frequency of refueling.

  • Convenience: Understanding your gas tank size helps you plan refueling stops more effectively, especially in areas with fewer gas stations.


How the Hybrid System Enhances Range


The RX 450h's hybrid system combines a gasoline engine with electric motors to maximize fuel efficiency. This means that even with a 17.2-gallon tank, the vehicle can achieve a range that surpasses many traditional gas-powered SUVs. Drivers can enjoy the benefits of fewer emissions and lower fuel costs while still having the convenience of a standard gas tank.


Conclusion


With a gas tank capacity of approximately 17.2 gallons, the Lexus RX 450h strikes a balance between efficiency and practicality. Whether you're commuting in the city or embarking on a long road trip, this hybrid SUV ensures you spend less time at the pump and more time enjoying the journey. If you have any questions about maintaining your RX 450h or need assistance with your vehicle, feel free to contact us at Kevin's Autos for expert advice and service!


Frequently Asked Questions

Does RX 450h require premium gas?


You can put premium gas in your Lexus RX, and it can provide better performance, but it's not a requirement. Any gas that's put in your Lexus RX shouldn't be higher than 15% ethanol. If gasoline at the pump has more than 15% ethanol, or it's labeled as a flex-fuel, it shouldn't be used in your RX.



How big is the gas tank on a Lexus RX 450h?


Fuel & MPG
533.2/481.6 mi. 17.2 gal.



How far can a Lexus hybrid go on a tank of gas?


566 miles
The mild-hybrid Lexus NX 350h can travel a total of 566 miles on a full tank of gas and juice from the mild-hybrid battery. The plug-in hybrid Lexus NX 450h+ and Lexus NX 450h+ F SPORT Handling AWD can travel 37 miles6 using electric-only power. EPA-estimated 41 city/ 37 hwy/ 39 comb MPG rating for 2025 Lexus NX 350h.



How big is the gas tank on a 2024 Lexus RX 450h+ plug in hybrid?


14.5-gallon
2024 Lexus RX 350h Fuel Type & Tank Size
The plug-in hybrid RX 450h+ Luxury trim offers a 14.5-gallon tank, leaning more into its electric capabilities. Across the lineup, every Lexus RX Hybrid model is engineered for peak performance using premium unleaded gasoline.



What is the fuel average of Lexus RX 450h hybrid?


RX Series Fuel Average by Variants

Lexus RX Series 350 3456 cc Petrol AutomaticAverage - 7.5 KM/L (Highway-8 KM/L, City-7 KM/L)
Lexus RX Series 450h L 3456 cc Petrol AutomaticAverage - 13.0 KM/L (Highway-14 KM/L, City-12 KM/L)



What is the best year to buy a Lexus 450h?


The 2022 Lexus RX 450h is our top pick for the best model year value for the RX 450h. With the 2022, you would only pay, on average, 71% of the price as new, with 83% of the vehicle's useful life remaining.



What is the gas mileage for the 2024 Lexus RX 450h+?


34 miles per gallon
In fact, the EPA estimates the 2024 Lexus RX gas mileage to be 34 miles per gallon on the highway and 83 mpge for the plug-in hybrid version.



How many miles per gallon does a 450h get?


Based on data from 19 vehicles, 1,505 fuel-ups and 507,105 miles of driving, the 2021 Lexus RX450h gets a combined Avg MPG of 28.47 with a 0.26 MPG margin of error.



What is the life expectancy of a Lexus RX 450h?


The Lexus RX 450h has an average lifespan of 183,589 miles or about 15.7 years. The RX 450h's predicted lifespan is derived from over 300 million data points iSeeCars analyzed to determine this model's average lifespan.



What is the range of Lexus 450h hybrid?


37 miles
HIGHS: Worthwhile EV range, cosseting ride, on-brand interior. An 18.1-kWh battery pack, same as in the NX, feeds those e-motors, and the EPA estimates EV range at 37 miles, same as the NX but less than the RAV4's 42. The RX weighs 379 pounds more than its smaller sibling and is 466 pounds heavier than the Toyota.


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.