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How many miles per gallon does a 2018 Lexus RX 350 get?

The 2018 Lexus RX 350 is a popular midsize luxury SUV known for its comfortable ride, premium interior, and advanced safety features. One key question many potential buyers have is: how fuel-efficient is the RX 350? According to the Environmental Protection Agency (EPA), the 2018 Lexus RX 350 has an average fuel economy of 20 miles per gallon (mpg) in the city and 27 mpg on the highway.


Fuel Economy Breakdown


The 2018 Lexus RX 350 is powered by a 3.5-liter V6 engine that produces 295 horsepower. It comes standard with front-wheel drive, but all-wheel drive is available as an option. The EPA estimates the fuel economy as follows:



  • Front-wheel drive model: 20 mpg city, 27 mpg highway, 23 mpg combined

  • All-wheel drive model: 19 mpg city, 26 mpg highway, 22 mpg combined


These fuel economy numbers are about average for a midsize luxury SUV in this class. Some key factors that impact the RX 350's fuel efficiency include its engine size, weight, and aerodynamics.


Improving Fuel Economy


There are a few ways Lexus RX 350 owners can potentially improve the vehicle's real-world fuel economy:



  • Drive Conservatively: Avoiding aggressive acceleration and braking can help maximize MPG.

  • Use Recommended Fuel: The RX 350 is designed to run on regular unleaded gasoline, but premium fuel may provide a small boost in efficiency.

  • Keep Tires Properly Inflated: Properly inflated tires reduce rolling resistance and improve fuel economy.

  • Avoid Excessive Idling: Idling gets 0 mpg, so shutting off the engine when stopped for more than 30 seconds can save fuel.


By following these tips, Lexus RX 350 owners may be able to achieve fuel economy at the higher end of the EPA's estimates or even exceed them in some driving conditions.

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.