What is the average gas mileage of Lexus LX?
In the latest LX 600 models, expect about 22 mpg combined (roughly 19 mpg city / 26 mpg highway). The older LX 570 with a 5.7-liter V8 averages about 15 mpg combined (roughly 13 mpg city / 18 mpg highway). The exact figures vary by year, drivetrain, tire choice, and load, but these numbers provide a solid baseline for current and former LX models.
Current LX 600 gas mileage
Below are the EPA-estimated figures for the latest LX 600 generation, with distinctions by drivetrain where available.
By drivetrain
- 2WD (if equipped): 19 mpg city / 26 mpg highway / 22 mpg combined
- AWD: 18 mpg city / 23 mpg highway / 21 mpg combined
These figures reflect the shift to a modern twin-turbo V6 and a refined eight- or ten-speed transmission, with all-wheel drive typically showing a slight drop in combined mileage versus two-wheel drive in real-world conditions.
Older LX 570 (5.7L V8) gas mileage
The LX 570, known for its 5.7-liter V8, is less fuel-efficient than the newer LX 600. EPA estimates for this generation generally place the mileage in the mid-teens combined, with city/highway splits around the low to mid-teens for city and the high teens for highway.
Typical figures
- EPA estimates: about 13 mpg city / 18 mpg highway / 15 mpg combined
Actual mileage can vary with drivetrain (2WD vs. 4WD), wheel size, tire type, cargo load, and driving style. In real-world use, many LX 570 owners report numbers near or slightly above the EPA combined estimate when cruising on highways.
What affects mileage in the Lexus LX
The following factors most influence the LX’s fuel economy in everyday driving.
- Drivetrain configuration (AWD vs. 2WD)
- Engine and powertrain (V8 in older LX vs. twin-turbo V6 in LX 600)
- Tire size and rolling resistance
- Vehicle load, cargo, and passenger weight
- Driving style, terrain, climate control usage, and average speeds
Understanding these variables helps explain why real-world mileage can diverge from EPA estimates, especially when the vehicle is used for heavy towing, off-road driving, or extended highway trips.
Summary
The LX lineup shows a clear progression in fuel economy from the older LX 570’s mid-teens to the LX 600’s low-20s combined, with drivetrain playing a key role. For a current model year, plan roughly 22 mpg combined for LX 600 in typical driving (with AWD likely closer to 21 mpg combined) and about 15 mpg combined for older LX 570. Real-world results will vary based on configuration and use.
