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How many miles per gallon does the LX 600 get?

The 2023 Lexus LX 600, the flagship luxury SUV from Toyota's premium brand, delivers impressive power and capability, but how does it fare when it comes to fuel efficiency? According to the latest information, the LX 600 achieves an EPA-estimated 17 miles per gallon (mpg) in the city and 22 mpg on the highway, for a combined rating of 19 mpg.


Exploring the LX 600's Fuel Economy


The Lexus LX 600 is powered by a 3.5-liter twin-turbocharged V6 engine that produces 409 horsepower and 479 lb-ft of torque. This potent powertrain, paired with a 10-speed automatic transmission and standard four-wheel drive, provides the LX 600 with impressive performance and towing capabilities.


However, the trade-off for this level of power and capability is a relatively low fuel economy rating compared to other luxury SUVs in its class. The LX 600's city and highway fuel economy figures of 17 mpg and 22 mpg, respectively, are on the lower end of the spectrum for a vehicle of its size and weight.


Factors Affecting the LX 600's Fuel Efficiency


Several factors contribute to the LX 600's fuel economy performance:



  • Powertrain: The powerful twin-turbocharged V6 engine and four-wheel drive system require more fuel to operate, resulting in lower overall efficiency.

  • Vehicle Size and Weight: As a large, heavy luxury SUV, the LX 600 has to overcome more aerodynamic drag and rolling resistance, which impacts its fuel consumption.

  • Driving Conditions: The LX 600's fuel economy can vary depending on factors such as driving style, terrain, and traffic conditions.


It's important to note that the LX 600's fuel economy figures are in line with other large, high-performance luxury SUVs in its class, such as the Mercedes-Benz GLS and BMW X7.


Improving Fuel Efficiency


While the LX 600's fuel economy may not be its strongest suit, there are a few ways owners can potentially improve its efficiency:



  • Driving Habits: Adopting a more gentle, fuel-efficient driving style can help maximize the LX 600's fuel economy.

  • Maintenance: Ensuring the vehicle is well-maintained, with properly inflated tires and regular service, can contribute to improved fuel efficiency.

  • Accessories and Modifications: Carefully selecting and installing accessories, such as aerodynamic enhancements, can potentially help improve the LX 600's fuel economy.


Ultimately, the 2023 Lexus LX 600 is a powerful and capable luxury SUV, but its fuel efficiency may not be its strongest selling point. Buyers interested in the LX 600 should carefully consider their driving needs and priorities to determine if the vehicle's performance and capabilities outweigh its relatively low fuel economy ratings.

Is the LX600 a reliable vehicle?


Hi there! The Lexus LX 600 is known for its reliability, but you should consider a few points. In my experience, regular maintenance plays a huge role in keeping the car's performance up.



How big is the fuel tank on a Lexus LX 600?


The Lexus LX600 fuel tank capacity is 80 liters (21.1 US gallons). However, some configurations, especially in certain regions, may have a secondary or smaller tank. 

  • Standard capacity: The main fuel tank is 80 liters, which is equivalent to approximately 21.1 US gallons. 
  • Hybrid vs. gasoline: Hybrid models have different fuel tank capacities. 
  • International variations: Some international models, particularly those with an LX 700h hybrid configuration, have different tank sizes. 
  • Auxiliary tanks: Some third-party auxiliary fuel tanks are available, but they are not part of the standard factory specifications. 



What is the range of the Lexus LX 600?


Fuel & MPG
358.7/464.2 mi. 21.1 gal.



What is the gas mileage on the LX600?


The Lexus LX600 gets an EPA-estimated 17 mpg in the city and 22 mpg on the highway, for a combined fuel economy of 19 mpg. These figures apply to most trim levels, including the Premium, Luxury, F SPORT Handling, and Ultra Luxury models. 
You can watch this video to see a review of the Lexus LX600 Premium: 1mBen HardyYouTube · Jan 15, 2025
Fuel economy by driving condition

  • City: 17 mpg
  • Highway: 22 mpg
  • Combined: 19 mpg 

Additional details
  • The LX600 is powered by a 3.4-liter twin-turbo V6 engine with a 10-speed transmission. 
  • While the EPA estimates are 17/22/19 mpg, real-world results may vary. Some drivers report lower city mileage, while others have achieved slightly higher highway mileage. 
  • The LX600 also has a hybrid version, the LX 700h, which has slightly different fuel economy estimates. 


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.