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What is the gas mileage on a 2025 Lexus RX 350h?

The 2025 Lexus RX 350h, a hybrid version of the popular Lexus RX luxury SUV, boasts impressive fuel efficiency with an estimated combined gas mileage of 35 miles per gallon (mpg).


Detailed Breakdown of the 2025 Lexus RX 350h's Gas Mileage


The 2025 Lexus RX 350h is powered by a 2.5-liter four-cylinder engine paired with an electric motor, delivering a total system output of 308 horsepower. This hybrid powertrain, combined with Lexus' advanced engineering, allows the RX 350h to achieve the following fuel economy ratings:



  • City driving: 37 mpg

  • Highway driving: 33 mpg

  • Combined (city and highway) driving: 35 mpg


These figures represent a significant improvement in fuel efficiency compared to the non-hybrid Lexus RX 350, which has an estimated combined gas mileage of 25 mpg.


Factors Contributing to the RX 350h's Impressive Fuel Economy


The 2025 Lexus RX 350h's high fuel efficiency can be attributed to several key factors:



  • Hybrid powertrain: The combination of a gasoline engine and an electric motor allows the RX 350h to optimize power delivery and reduce fuel consumption.

  • Lightweight construction: Lexus has utilized advanced materials and engineering techniques to reduce the overall weight of the RX 350h, which contributes to its improved fuel economy.

  • Aerodynamic design: The RX 350h's sleek and streamlined exterior design minimizes air resistance, further enhancing its fuel efficiency.

  • Regenerative braking: The RX 350h's regenerative braking system captures energy during deceleration and stores it in the battery, reducing the need for fuel-powered braking.


These features, combined with Lexus' commitment to sustainability and environmental responsibility, make the 2025 RX 350h an attractive choice for eco-conscious consumers seeking a luxurious and fuel-efficient SUV.

How many miles per gallon does a Lexus 350h hybrid get?


The 2025 Lexus RX 350h AWD has an EPA-estimated fuel economy of 37 mpg city, 34 mpg highway, and 36 mpg combined. The exact MPG for other models may vary, so it's important to check the specific trim. For example, the 2025 Lexus NX 350h has different ratings (around 40 mpg combined, according to some sources), and the 450h+ is a plug-in hybrid with a much higher MPGe rating.
 
This video explains the gas mileage of a Lexus NX 350h: 57snetman88YouTube · May 5, 2024
Lexus RX 350h MPG

  • Combined: 36 mpg
  • City: 37 mpg
  • Highway: 34 mpg 

Other 350h models
  • Lexus NX 350h: Around 40 mpg combined
  • Lexus RX 450h+: 83 MPGe (for the Luxury AWD trim) 

Factors that can affect mileage
  • Vehicle condition: The condition of your car can affect its mileage. 
  • Driving habits: How you drive—whether you accelerate quickly, brake hard, or drive in eco mode—will affect your MPG. 
  • Conditions: Your driving environment (e.g., city vs. highway) will have a significant impact. 



What is the weakness of the Lexus RX 350?


Early Lexus RX 350 releases experienced steering issues, notably power steering fluid leaks from the rack and pinion system. Not only is this a massive safety hazard – it can also be costly to repair.



What is the difference between Lexus RX 350h and 450h+ and 500h?


The RX 350h features a 246-horsepower, 2.5-liter hybrid four-cylinder engine. The RX 450h+ boasts a 304-horsepower, dual-motor plug-in hybrid system with a 37-mile all-electric driving range. The RX 500h offers a 366-horsepower, turbocharged 2.4-liter, four-cylinder engine with sport all-wheel drive.



How many miles per gallon does a 2025 Lexus RX 350h get?


The 2025 Lexus RX 350h gets an EPA-estimated 37 mpg city / 34 mpg highway / 36 mpg combined. This is the standard for all trims of the RX 350h, as they are all hybrid and all-wheel drive models with the same engine.
 
You can watch this video to learn more about the 2025 Lexus RX 350h and see it in action: 54sVagabond BuildsYouTube · Jun 17, 2025

  • City: 37 MPG
  • Highway: 34 MPG
  • Combined: 36 MPG 


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.