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How many miles per gallon does a 2024 Lexus RX 350 hybrid get?

The 2024 Lexus RX 350 hybrid model achieves an impressive fuel economy of 33 miles per gallon (mpg) in the city and 30 mpg on the highway, for a combined rating of 32 mpg. This makes the RX 350 hybrid one of the more fuel-efficient luxury midsize SUVs on the market.


Detailed Fuel Economy Breakdown


The 2024 Lexus RX 350 hybrid is powered by a 2.5-liter four-cylinder engine combined with two electric motors, producing a total system output of 308 horsepower. This hybrid powertrain, paired with Lexus' advanced transmission and all-wheel-drive system, delivers excellent fuel efficiency without sacrificing performance or capability.



  • City fuel economy: 33 mpg

  • Highway fuel economy: 30 mpg

  • Combined fuel economy: 32 mpg


These fuel economy figures are among the best in the luxury midsize SUV segment, allowing RX 350 hybrid owners to enjoy the benefits of a spacious, premium SUV while minimizing their fuel costs and environmental impact.


Factors Contributing to Fuel Efficiency


The impressive fuel efficiency of the 2024 Lexus RX 350 hybrid can be attributed to several key factors:



  • Hybrid powertrain technology: The combination of a gasoline engine and electric motors provides a seamless blend of power and efficiency.

  • Lightweight construction: The use of advanced materials, such as high-strength steel and aluminum, helps reduce the overall weight of the vehicle, improving fuel economy.

  • Aerodynamic design: The RX 350 hybrid's sleek, aerodynamic body shape minimizes wind resistance, further enhancing fuel efficiency.

  • Regenerative braking: The hybrid system captures energy during braking and stores it in the battery, reducing the amount of fuel needed to power the vehicle.


These engineering innovations, combined with Lexus' commitment to sustainability, make the 2024 RX 350 hybrid an excellent choice for eco-conscious luxury SUV buyers.p>

What is the lifespan of a RX 350 hybrid battery?


If you had concerns about hybrid battery replacement costs and maintenance, the estimated 15-year lifespan is certain to offer some peace of mind. You'll most likely move on from your hybrid before ever needing to consider swapping out the original battery.



How many miles per gallon does a Lexus RX 350 hybrid have?


The TX 350 has a fuel economy estimate of 21 MPG in the city, 27 MPG on the highway, and 23 MPG combined.



What is the difference between the RX 350 and the RX 350h?


The main differences are the powertrain, fuel economy, and driving experience. The RX 350 uses a turbocharged 4-cylinder engine with an 8-speed transmission for a sportier, more traditional feel, while the RX 350h uses a 2.5L hybrid system with a CVT for a smoother, quieter ride and significantly better fuel economy. The best choice depends on your priorities: the RX 350 for a more spirited drive, or the RX 350h for city driving and long-term fuel savings.
 
This video compares the driving experience of the Lexus RX 350h and RX 350: 49sPerformance LexusYouTube · Jul 5, 2025
RX 350

  • Engine: 2.4L turbocharged 4-cylinder with an 8-speed automatic transmission. 
  • Horsepower: 275275275 hp. 
  • Driving feel: More traditional, with noticeable shifts and a sportier, more spirited feel, especially on the highway. 
  • Fuel economy: Approximately 222222 mpg city / 292929 mpg highway (FWD). 
  • Best for: Drivers who prefer a more traditional, engaging driving experience and primarily drive on the highway. 

RX 350h
  • Engine: 2.5L 4-cylinder hybrid system with a Continuously Variable Transmission (CVT). 
  • Horsepower: 246246246 hp. 
  • Driving feel: Extremely smooth and quiet, especially in city driving with electric-only propulsion. It feels less "wound-up" at highway speeds compared to the gas model. 
  • Fuel economy: Approximately 373737 mpg city / 343434 mpg highway (AWD). 
  • Best for: Drivers who prioritize a quiet, comfortable, and fuel-efficient ride, especially those who do a lot of city driving. 

You can watch this video to see a detailed comparison of the features of the Lexus RX 350h and RX 350: 1mVagabond BuildsYouTube · Jun 19, 2025
Which one should you choose?
  • Choose the RX 350h if:
    • You want better fuel economy and lower long-term running costs, especially if you have a mix of city and highway driving or if you plan to keep the car for many years. 
    • You prioritize a quiet, smooth, and comfortable ride. 
  • Choose the RX 350 if:
    • You prefer a more traditional and engaging driving experience with a more direct feel. 
    • Your driving is primarily on the highway. 
    • You want to save on the initial purchase price, as the gas model is typically cheaper upfront. 



How many miles per gallon does a 2024 RX 350 hybrid get?


37 city / 34 highway / 36 combined
2024 Lexus RX Hybrid MPG
Every single Lexus RX Hybrid is equipped with standard all-wheel drive to give you optimal traction on Palm Harbor roads. Below, you'll find the Lexus RX Hybrid MPG estimates for each of the models: Lexus RX 350h AWD: 37 city / 34 highway / 36 combined*


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.