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How many miles per gallon does a 2009 Lexus GS 450h hybrid get?

The 2009 Lexus GS 450h hybrid sedan achieves an EPA-estimated fuel economy of 22 miles per gallon (mpg) in the city and 25 mpg on the highway, for a combined rating of 23 mpg. This makes the GS 450h one of the more fuel-efficient luxury hybrid vehicles on the market at the time.


Detailed Fuel Economy Breakdown


The 2009 Lexus GS 450h is powered by a 3.5-liter V6 engine paired with an electric motor, producing a combined 339 horsepower. This hybrid powertrain, combined with the car's aerodynamic design and lightweight construction, allows the GS 450h to achieve impressive fuel economy numbers for a midsize luxury sedan.



  • City fuel economy: 22 mpg

  • Highway fuel economy: 25 mpg

  • Combined fuel economy: 23 mpg


These figures represent a significant improvement over the non-hybrid Lexus GS 460, which had an EPA rating of 16 mpg city and 24 mpg highway. The hybrid technology in the GS 450h allows it to deliver better fuel efficiency, especially in stop-and-go city driving, without sacrificing performance or luxury features.


Factors Affecting Fuel Economy


Several factors can impact the real-world fuel economy of the 2009 Lexus GS 450h, including driving style, road conditions, and weather. Aggressive acceleration, high-speed driving, and frequent braking can all reduce the vehicle's efficiency. Additionally, factors like cold temperatures, high altitudes, and heavy cargo loads can also slightly lower the fuel economy.


Overall, the 2009 Lexus GS 450h stands out as a fuel-efficient luxury hybrid sedan, delivering a combined EPA rating of 23 mpg, which was impressive for its time and class.

How much does it cost to replace the battery in a Lexus GS450h hybrid?


between $6,597 and $6,677
The average cost for a Lexus GS450h Hybrid High Voltage Battery Replacement is between $6,597 and $6,677. Labor costs are estimated between $308 and $389 while parts are typically priced around $6,289. This range does not include taxes and fees, and does not factor in your unique location.



Does the Lexus RX 450h hybrid 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.



Is the Lexus GS 450h a good car?


Lexus cars are built to a high standard, and the GS 450h is no exception. The interior materials are stunning, and the controls offer precise feel. The body panels are well matched, and gaps are consistent. It's what we expect at this price.



How many miles per gallon does a 2009 Lexus GS 450h get?


23 MPG



How big is the fuel tank on a Lexus GS 450h?


Fuel & MPG

Range in miles (city/hwy)378.4/430.0 mi.
Fuel tank capacity17.2 gal.



What is real mpg for Lexus RX450h?


Based on data from 19 vehicles, 1,504 fuel-ups and 506,927 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 fuel consumption of Lexus GS 450h 3.5 hybrid?


Lexus GS Fuel Consumption
The Lexus GS 450h is available in a number of variants and body types that are powered by Hyb/PULP fuel type(s). It has an estimated fuel consumption starting from 6.3L/100km for Sedan /Hyb/PULP for the latest year the model was manufactured.



How long does a Lexus GS 450h hybrid battery last?


15 years
Under normal conditions, you can expect Lexus hybrid car batteries to last up to 150,000 miles or 15 years and sometimes even longer.



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.



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**


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.