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Is the Lexus IS500 good on gas?


The Lexus IS500 is a luxury sports sedan that combines high performance with premium comfort. However, when it comes to fuel efficiency, potential buyers often wonder if this powerful vehicle is economical at the pump. In this article, we’ll explore the fuel economy of the Lexus IS500 and provide insights into whether it’s a good choice for those concerned about gas mileage.


Fuel Economy of the Lexus IS500


The Lexus IS500 is equipped with a 5.0-liter V8 engine, delivering an impressive 472 horsepower. While this engine provides thrilling performance, it does come at the cost of fuel efficiency. According to EPA estimates, the Lexus IS500 achieves approximately 17 miles per gallon (mpg) in the city and 25 mpg on the highway. This places it on the lower end of the spectrum for fuel economy, especially when compared to smaller, less powerful sedans.


Factors Affecting Gas Mileage


Several factors contribute to the Lexus IS500's fuel efficiency, or lack thereof. Here are some key considerations:



  • Engine Size and Power: The 5.0-liter V8 engine is designed for performance, not fuel economy. Larger engines typically consume more fuel.

  • Weight: As a luxury sedan, the IS500 is relatively heavy, which can reduce fuel efficiency.

  • Driving Style: Aggressive driving, such as rapid acceleration and high-speed cruising, can significantly impact gas mileage.

  • City vs. Highway Driving: The IS500 performs better on the highway due to steady speeds, but city driving with frequent stops and starts reduces efficiency.


Is the Lexus IS500 Right for You?


If fuel efficiency is a top priority, the Lexus IS500 may not be the best choice. However, for drivers who value performance, luxury, and the thrill of a V8 engine, the IS500 offers an exceptional driving experience. It’s important to weigh your priorities and consider how much you’re willing to spend on fuel in exchange for the power and prestige of this vehicle.


Tips to Improve Fuel Efficiency


If you decide to go with the Lexus IS500 but want to maximize its fuel efficiency, here are some tips:



  • Maintain a steady speed and avoid rapid acceleration.

  • Keep your tires properly inflated to reduce rolling resistance.

  • Perform regular maintenance, such as oil changes and air filter replacements, to keep the engine running efficiently.

  • Use premium fuel as recommended by Lexus to ensure optimal engine performance.


In conclusion, the Lexus IS500 is not particularly "good on gas," but it offers a unique blend of luxury and performance that may outweigh its fuel consumption for the right buyer. If you’re considering this vehicle, be prepared for higher fuel costs and enjoy the exhilarating ride it provides.


Frequently Asked Questions

Is Lexus expensive to maintain?


Lexus vehicles usually come with pretty average upkeep costs. According to data from RepairPal, the average annual repair cost for a Lexus vehicle is $551. Naturally, this cost can fluctuate based on vehicle model, age, driving conditions, maintenance practices, and more.



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.



How fast can a Lexus IS 500 go?


Check Out the Performance of the 2024 Lexus IS 500
This V8 engine can go from zero to sixty in 4.4 seconds and has a top track speed of 149 MPH. Key performance features include paddle shifters, a G-force display, stacked quad exhaust tips, and two-piece rear aluminum rotors.



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.



How big is the gas tank on a Lexus IS500?


17.4 gal
Fuel & MPG
295.8/435.0 mi. 17.4 gal.



Does the Lexus IS 500 require premium gas?


Most Lexus models require you use at least 91 octane (premium) gasoline, while there are a few that can use 87 octane regular unleaded.



Is the Lexus IS500 fun to drive?


But for my money, the Lexus IS500 F Sport Performance comes pretty close to a Forever Car. It offers an excellent blend of luxury and performance, with a brawny naturally aspirated V-8. I could see myself owning this car for a long time and being very happy with it.



Is Lexus good for long distance driving?


The Lexus ES is among the top luxury sedans in its class, offering exceptional comfort and ample legroom. With its spacious cabin, excellent amenities, and available hands-free power trunk, packing for your Memorial Day weekend road trip is a breeze.



Are Lexus good on gas?


It gets 45mpg on the highway. And it is an excellent luxury hybrid at that. Roomy, comfortable, drives plush, can take regular gas, super reliable, and plenty of great standard safety features. Most other Lexus vehicles, like most luxury vehicles, don't get excellent gas mileage.



What is the gas mileage on the IS500?


The highest horsepower IS model, the IS 500 Sport Performance gets 17 MPG city, 25 highway miles per gallon, and 20mpg combined.


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.