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Is the Lexus RX300 fuel efficient?

The Lexus RX300 is a mid-size luxury SUV that has been on the market since the late 1990s. While the RX300 offers a comfortable ride and premium features, its fuel efficiency has been a point of discussion among car buyers. Let's take a closer look at the fuel efficiency of the Lexus RX300.


Fuel Efficiency of the Lexus RX300


The Lexus RX300 is not considered a particularly fuel-efficient vehicle, especially when compared to more modern SUVs and crossovers. The RX300 has an EPA-estimated fuel economy of 18 mpg in the city and 24 mpg on the highway, which is on the lower end for its class.


Several factors contribute to the RX300's relatively poor fuel efficiency:



  • Larger engine size: The RX300 is powered by a 3.0-liter V6 engine, which is larger than the engines found in many of its competitors.

  • Weight: As a mid-size luxury SUV, the RX300 is a relatively heavy vehicle, which requires more fuel to move.

  • Older design: The RX300 was first introduced in 1998, and its design has not been significantly updated since then. Newer SUV models often feature more fuel-efficient engines and aerodynamic designs.


While the Lexus RX300 may not be the most fuel-efficient vehicle in its class, it does offer a comfortable and luxurious driving experience. Buyers who prioritize fuel efficiency may want to consider more modern SUV options, but the RX300 remains a popular choice for those who value the Lexus brand and its reputation for quality.

Which is better Lexus IS 300 or 350?


Lexus IS 350, you will find that either model will leave you satisfied. The Lexus IS 300 offers more affordability, however, if you're looking for more horsepower and torque, and added performance features, the Lexus IS 350 may be best.



Does the Lexus RX300 need 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.



Is Lexus RX 300 fuel-efficient?


The mileage rating for the RX300 with FWD is 19 m.p.g. city/24 m.p.g. highway, and with AWD is 18 m.p.g. city/22 m.p.g. highway.



How far can a Lexus go on a full tank?


The 2022 Lexus RX 350 has a max range of at least 570 miles using the hybrid version. Owners of the Lexus RX 350 can expect an estimated 27 miles per gallon when driving on the highway and 20mpg around the city to make a combined 23mpg.



Is the Lexus RX good on gas?


2024 Lexus RX Gas Mileage by Configuration
Below, we've listed the 2024 Lexus RX gas mileage for each trim level: 2024 Lexus RX 350 FWD: 22 mpg city / 29 mpg highway. 2024 Lexus RX 350 AWD: 21 mpg city / 28 mpg highway. 2024 Lexus RX 350 Premium FWD: 22 mpg city / 29 mpg highway.



How many gallons of gas does a Lexus RX300 hold?


Fuel tank capacity 73 l (16.1 imp. gal.) Acceleration, 0-60 mph** 8.8 seconds Top Track Speed** 180 km/h (112 mph) Fuel Consumption, L/100 km*** 13.0 City, 9.7 Highway, 11.5 Combined Turning Circle 6.3 m (20.6 ft.)



Is it OK to put regular gas in a Lexus?


But, does Lexus require premium gas? If you want to continue to enjoy the outstanding power and high-level efficiency offered in new Lexus models, you'll want to utilize the recommended Lexus gas type. Some Lexus vehicles will require premium 91-octane fuel while others can use regular 87-octane fuel.



What is the real fuel consumption of a Lexus RX?


In the real world that manifests as easier acceleration when merging onto a freeway, less stress overtaking and a generally easier time driving around town. No surprise that fuel consumption suffers as a result, but not as much as I was expecting. The RX 350 is averaging 10.1L/100km compared to the RX 300's 9.6L/100km.



Is the Lexus IS 300 good on gas?


Fuel economy is not the IS 300's strong suit, with the all-wheel-drive version only EPA-estimated to return 19 miles per gallon in the city, 26 mpg highway and 22 mpg combined. Over the course of a few days, I'm averaging just over 21 mpg.



Which Lexus gets the best gas mileage?


2022 Lexus ES Hybrid
Are you interested in a sedan over an SUV? Lexus has a sporty and fuel-efficient option with your name on it: the 2022 Lexus ES Hybrid. This model achieves an EPA-estimated 43 city/44 highway MPG rating, making it the most efficient Lexus sedan.


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.