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Is a GS300 good on gas?

The Lexus GS300 is a midsize luxury sedan that has been praised for its comfortable ride, upscale interior, and reliable performance. However, one of the key considerations for many car buyers is fuel efficiency. So, is the GS300 good on gas?


Fuel Economy of the Lexus GS300


According to the U.S. Environmental Protection Agency (EPA), the Lexus GS300 has an estimated fuel economy of 20 miles per gallon (mpg) in the city and 27 mpg on the highway. This puts the GS300's combined fuel economy at around 23 mpg, which is about average for a midsize luxury sedan.


It's worth noting that the actual fuel economy you experience may vary depending on factors such as your driving style, road conditions, and the vehicle's maintenance. Some owners have reported getting slightly better or worse mileage than the EPA estimates.


Comparing the GS300 to Other Luxury Sedans


When compared to other midsize luxury sedans, the Lexus GS300's fuel economy is on the lower end of the spectrum. For example, the BMW 5 Series has an estimated combined fuel economy of 26 mpg, while the Mercedes-Benz E-Class achieves around 25 mpg.


However, it's important to note that the GS300's fuel economy is still respectable, and the vehicle's overall performance and luxury features may be more important considerations for some buyers than pure fuel efficiency.


Tips for Improving Fuel Economy in a Lexus GS300

If you're concerned about the GS300's fuel economy, there are a few things you can do to help improve it:



  • Drive conservatively: Avoid aggressive acceleration and braking, which can significantly reduce fuel efficiency.

  • Keep up with maintenance: Regular oil changes, tire rotations, and other maintenance tasks can help the GS300 run more efficiently.

  • Use the right fuel: The GS300 requires premium gasoline, which can be more expensive but may help improve fuel economy.

  • Consider driving modes: Some GS300 models have different driving modes, such as "Eco" mode, which can optimize fuel efficiency.


By following these tips, you may be able to eke out a bit more mileage from your Lexus GS300 and improve its overall fuel efficiency.

Does the Lexus GS take premium gas?


The final verdict is that premium gasoline is the recommended option for the Lexus GS 350, as it offers optimized engine performance, improved fuel efficiency, and enhanced engine protection.



What is the highest mileage 2JZ?


The fourth-generation Toyota Supra is a legend for numerous reasons, but one of its defining qualities is its reliability. Its 3.0-liter 2JZ straight-six is especially bulletproof, as this Supra, with a claimed 520,000 miles on the clock, can attest. The owner claims the motor has "never been touched" either.



How many miles can a GS300 last?


300,000 miles
A properly maintained GS300 can easily go over 300,000 miles and about the only thing you should consider replacing on the engine if you have not already done is would be the water pump and timing belt and also if you have not done so already consider replacing the coolant hoses .



Which Lexus gets 40 MPG?


2022 Lexus UX Hybrid
This SUV gives you additional space to take on Brandon roads, and the 2.0L I4 hybrid engine will make every drive easy on the wallet, the Lexus UX Hybrid offers: 41 mpg city. 38 mpg highway. 42 mpg combined.



Are Lexus good on gas?


Most Fuel-Efficient Vehicles
When it comes to fuel efficiency and innovative hybrid and electric powertrains - no other luxury brand is able to match Lexus. In fact, Lexus currently fields an impressive lineup of 7 hybrid and electric models designed to help take you further than ever before.



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 long do GS 300 engines last?


most reliable car engine you can have
The GS300 has the glorified 2JZ inline 6 cylinder engine. It will last you as long as you want if you are smart. Currently driving one with over 310,000 miles and commonly run into 2JZ owners with even more and still going strong.



How big is a GS300 gas tank?


Fuel & MPG
357.2/470.0 mi. 18.8 gal.



What gas does the GS300 take?


Model YearModel(s)Recommended Minimum Octane Rating
2006ES 330, GS 300, GS 430, GX 470, IS 250, IS 300, LS 430, RX 330, RX 400h, SC 43091
LX 47087
2005 - 2004GS 300, GS 430, IS 300, LS 430, SC 43091
ES 330, GX 470, LX 470, RX 33087



What is the fuel consumption of Lexus GS 300 2JZ?


Lexus GS II 300 Fuel Consumption (Economy), Emissions and Range
Fuel Consumption - Economy - Open road NEDC :27 MPG 8.8 L/100 km 32 MPG UK
Fuel Consumption - Economy - Combined NEDC :21 MPG 11.4 L/100 km 25 MPG UK
Range :436 miles / 701 km
Fuel Tank Capacity :21.1 gallons 80 L 17.6 UK gallons


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.