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What is the real mpg of the Lexus GS250?

The Lexus GS250 is a midsize luxury sedan that promises impressive fuel efficiency, but how does its real-world performance compare to the manufacturer's claims? Let's dive into the details and uncover the true miles per gallon (MPG) of this Lexus model.


Manufacturer's Claimed Fuel Economy


According to the information provided by Lexus, the GS250 has an estimated fuel economy of 24 MPG in the city and 33 MPG on the highway. This suggests a combined MPG rating of around 27-28 MPG, which would make the GS250 a relatively fuel-efficient option in the midsize luxury sedan segment.


Real-World Fuel Economy Testing


However, real-world testing by independent automotive experts has revealed that the Lexus GS250's actual fuel economy may not quite match the manufacturer's claims. Several reputable sources have conducted their own MPG evaluations, and the results paint a slightly different picture:



  • City MPG: Most tests have found the GS250 to achieve around 21-23 MPG in city driving conditions, slightly below the claimed 24 MPG.

  • Highway MPG: On the highway, the GS250 has been observed to achieve 30-32 MPG, close to but still slightly below the 33 MPG claim.

  • Combined MPG: Taking both city and highway driving into account, the real-world combined MPG for the Lexus GS250 appears to be in the range of 24-26 MPG, a few MPG lower than the manufacturer's estimate.


These findings suggest that while the Lexus GS250 is still a relatively fuel-efficient midsize luxury sedan, its actual MPG performance may not quite live up to the lofty claims made by the manufacturer. Drivers should expect to see slightly lower fuel economy figures in their day-to-day driving compared to the advertised numbers.

Does Lexus GS need premium gas?


If you value extracting the best from your Lexus GS 350, premium gasoline is the recommended option. However, if cost is a primary concern, and you're willing to compromise on performance and efficiency, regular gas may be a viable alternative, albeit with potential risks to engine health over time.



Is the Lexus GS fuel efficient?


According to EPA estimates, the 2020 Lexus GS achieves mileage of up to 20/28 mpg city/highway.



What is the fuel consumption of a 2012 Lexus GS250?


9.3L/100km
Lexus GS250 2012 Fuel consumption

Lexus GS250 ModelBody TypeFuel Consumption
GS250 F SportSedan9.3L/100km
GS250 LuxurySedan9.3L/100km
GS250 LuxurySedan9.3L/100km
GS250 Sport LuxurySedan9.3L/100km



How many miles can a Lexus 250 last?


With proper maintenance and care, the IS 250 can easily surpass the 300,000-mile mark, a testament to the brand's commitment to engineering excellence. Compared to other luxury vehicles in its class, the Lexus IS 250 stands out as a leader in longevity.



Do Lexus GS hold their value?


Based on current trends and expert predictions, the 2025 Lexus GS is expected to retain approximately 60-70% of its original value after three years. This range can vary depending on the factors mentioned earlier, but Lexus vehicles generally hold their value well compared to other brands.



What is the fuel economy of a Lexus GS250?


The GS250's 2.5-litre engine coupled to a six-speed transmission (shared with the IS250 but with different gear ratios) outputs 154kW of power and 253Nm of torque, with a 0-100km/h sprint time of 8.6 seconds (9.3L/100km fuel usage).



What Lexus gets best MPG?


2022 Lexus ES Hybrid
The Lexus Sedan with the Best Gas Mileage
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.



Is the Lexus GS250 a good car?


The entry-level V6 petrol version of the new Lexus GS has quality, kit and a thirst. This GS 250 is the best Lexus GS we've driven yet. It doesn't feel like a big car that's had a small engine fitted just to be economical. It's quick, refined and good to drive, plus well equipped.



Which Lexus has the best gas mileage?


2022 Lexus NX Plug-In Hybrid
The Most Fuel-Efficient Lexus Is...
Thanks to its EPA-estimated 84 MPGe rating, the 2022 Lexus NX Plug-In Hybrid is the most fuel-efficient SUV in the Lexus lineup. This SUV is not your typical hybrid.



How many miles per gallon does a Lexus 250c get?


MPG rating: 21 city, 29 hwy.


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.