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What is the fuel average of a Lexus RX450H?


The Lexus RX450h is a popular luxury hybrid SUV known for its blend of performance, comfort, and fuel efficiency. If you're considering purchasing this vehicle or are simply curious about its fuel economy, this article will provide you with detailed insights into its fuel average and what factors can influence it.


Fuel Economy of the Lexus RX450h


The Lexus RX450h is a hybrid vehicle, meaning it combines a gasoline engine with an electric motor to optimize fuel efficiency. According to the latest data, the fuel economy of the Lexus RX450h is as follows:



  • City Driving: Approximately 31 miles per gallon (mpg).

  • Highway Driving: Approximately 28 mpg.

  • Combined Driving: Around 30 mpg.


These figures make the RX450h an excellent choice for drivers who want a luxury SUV with better fuel efficiency compared to traditional gasoline-powered SUVs in its class.


Factors That Can Affect Fuel Economy


While the official fuel economy ratings provide a good baseline, real-world mileage can vary based on several factors. Here are some key considerations:



  • Driving Habits: Aggressive acceleration and braking can reduce fuel efficiency.

  • Traffic Conditions: Stop-and-go traffic in urban areas may lower your mileage.

  • Vehicle Maintenance: Regular maintenance, such as oil changes and tire pressure checks, ensures optimal performance.

  • Weather: Extreme cold or heat can impact hybrid battery performance and fuel economy.

  • Load: Carrying heavy cargo or towing can decrease fuel efficiency.


By being mindful of these factors, you can maximize the fuel efficiency of your Lexus RX450h and enjoy its full potential.


Why Choose the Lexus RX450h?


The Lexus RX450h stands out not only for its fuel efficiency but also for its luxurious interior, advanced safety features, and smooth driving experience. It's an ideal choice for those who want a premium SUV that is both eco-friendly and cost-effective in terms of fuel consumption.


If you're considering a hybrid SUV, the RX450h is a strong contender that offers a perfect balance of performance and efficiency. For more tips on maintaining your vehicle or to schedule a service, feel free to contact us at Kevin's Autos!


Frequently Asked Questions

What is the real mpg of the Lexus RX450h?


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 best mpg Lexus hybrid?


The Lexus ES 300h sedan is the undisputed champion when it comes to fuel efficiency in the 2025 Lexus hybrid lineup. This mid-size luxury sedan combines a 2.5-liter four-cylinder gasoline engine with an electric motor, resulting in an impressive EPA-estimated combined fuel economy rating of 44 MPG.



What is the range of the Lexus RX 450h hybrid?


to 37 miles
Range, Charging, and Battery Life
The RX450h+ plug-in hybrid comes with an 18.1-kWh battery pack and a 6.6-kWh onboard AC charger. Lexus says it can be recharged in about two and a half hours on a 240-volt connection, and a full battery is said to offer up to 37 miles of electric-only driving, per the EPA.



What is the real mpg of the Lexus RX Hybrid?


According to Lexus, the 2025 TX Plug-In Hybrid gets 29 mpg in the city and 28 mpg on the highway in gas/hybrid mode and 76 MPG-equivalent in combined city/highway driving in electric/hybrid mode.



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


That's mainly due to the excellent fuel economy of this SUV, especially the hybrid and plug-in hybrid versions. 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 Lexus 450h hybrid get?


Lexus RX 500h AWD: 27 city / 28 highway / 27 combined* Lexus RX 450h+ AWD: 83 MPGe**



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.



Does Lexus RX450h 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 long does a Lexus 450h hybrid battery last?


15 years
Under average driving conditions, you'll need a hybrid car battery replacement roughly once every 150,000 miles or 15 years, whichever comes first.



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)


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.