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What is the difference between Lexus 350h and 500h?


When it comes to luxury hybrid SUVs, Lexus offers a range of options that combine performance, efficiency, and premium features. Two popular models in their lineup are the Lexus 350h and the Lexus 500h. While both vehicles share the Lexus commitment to quality and innovation, they cater to slightly different needs and preferences. In this article, we’ll break down the key differences between these two models to help you decide which one might be the better fit for you.


Performance and Powertrain


The Lexus 350h and 500h differ significantly in terms of their powertrains and performance capabilities:



  • Lexus 350h: This model is equipped with a 2.5-liter 4-cylinder hybrid engine. It delivers a balanced combination of fuel efficiency and adequate power, making it an excellent choice for daily commuting and long-distance driving. The 350h is designed with efficiency in mind, offering impressive miles per gallon (MPG) ratings.

  • Lexus 500h: The 500h, on the other hand, features a more powerful 2.4-liter turbocharged hybrid engine. This setup provides a significant boost in horsepower and torque compared to the 350h, making it a better option for drivers who prioritize performance and a more dynamic driving experience.


Fuel Efficiency


Fuel efficiency is a key consideration for hybrid vehicles, and the Lexus 350h and 500h cater to different priorities:



  • Lexus 350h: With its smaller engine and focus on efficiency, the 350h offers superior fuel economy. It’s ideal for those who want to minimize trips to the gas station and reduce their environmental footprint.

  • Lexus 500h: While still efficient compared to traditional gasoline-powered SUVs, the 500h sacrifices some fuel economy for its enhanced performance. It’s a great choice for drivers who want a balance between power and efficiency.


Luxury Features and Trim Levels


Both models come with Lexus’s signature luxury features, but there are differences in available trims and options:



  • Lexus 350h: The 350h is typically offered in a range of trims that focus on comfort and practicality. It includes high-quality materials, advanced safety features, and a user-friendly infotainment system.

  • Lexus 500h: The 500h often comes with more premium trim options, including sportier designs and additional high-end features. It’s tailored for those who want a more luxurious and performance-oriented experience.


Price Point


Price is another factor that sets these two models apart:



  • Lexus 350h: As the more efficiency-focused model, the 350h is generally more affordable, making it a great entry point into the Lexus hybrid lineup.

  • Lexus 500h: With its more powerful engine and premium features, the 500h comes at a higher price point. It’s an investment for those who value performance and luxury.


Which One Should You Choose?


The choice between the Lexus 350h and 500h ultimately depends on your priorities:



  • If you’re looking for a fuel-efficient, practical, and affordable hybrid SUV, the Lexus 350h is an excellent choice.

  • If you prefer a more powerful, luxurious, and performance-oriented vehicle, the Lexus 500h is worth the extra investment.


Both models uphold Lexus’s reputation for reliability, comfort, and cutting-edge technology, so you can’t go wrong with either option. Visit your local Lexus dealership to test drive both models and see which one feels right for you!


Frequently Asked Questions

What does H stand for in Lexus?


HYBRID (h) An "h" after the three-digit number indicates a hybrid electric powertrain. Example: LC 500h.



What is the difference between Lexus RX450h and 350h?


They are exactly the same car except the RX 350 uses a 3.5-liter V6 engine and RX 450h uses a 3.5-liter V6 engine with an electric motor.



What is the difference between Lexus NX 250h and 350h?


The most obvious is that the NX 350 comes standard with all-wheel drive, while the NX 250 offers a base variant without it. There's also a significant horsepower difference: the NX 250 is powered by a 2.5L engine with 203 horsepower, while the NX 350 AWD features a more robust 275-horsepower 2.4L engine.



What happens if you put regular gas in a Lexus Hybrid?


Use of unleaded gasoline with an octane rating lower than what is listed for your model year vehicle could potentially result in engine knocking. If the octane rating used is less than required, damage to the engine may occur and which could void the vehicle warranty.



Does Lexus RX 350h require premium gas?


You must only use unleaded gasoline in the RX, with an octane rating of 87 or higher. This means the Lexus RX does not require premium gasoline, as the premium octane rating is 91 or higher. Of course, you are free to put premium gas in your Lexus RX, as it can provide better performance, but it is not needed.



Is Lexus 350h a good car?


Our recommendation for the new 2023 Lexus RX 350h is the Premium+ AWD, which provides the best blend of luxury, efficiency, performance, technology and value. Better yet, it doesn't cost more than the standard RX 350 with all-wheel drive, so the hybrid powertrain doesn't command a price premium.



Is the TX500h any good?


The 500h is probably our favorite of the three TX trims, not just for its better seats or quicker acceleration over the base TX350 but also for its slightly superior mpg and driving range. “The TX500h isn't fun, but it's dignified and willing to move without much complaint,” associate editor Alex Leanse said.



What kind of gas does the rx500h take?


Ratings achieved using the required premium unleaded gasoline with an octane rating of 91 or higher. If premium fuel is not used, performance will decrease.



What is the difference between Lexus TX 350 and Lexus TX 500h?


The main difference between them is what kind of powertrain you get with each one. The TX 350 has a turbocharged four-cylinder engine, while the 500h F Sport Performance is a hybrid version with more power and better fuel economy. The TX 500h+ is a plug-in hybrid and serves as the most powerful and expensive TX.



Does Lexus RX 450h hybrid require premium gas?


You can put premium gas in your Lexus RX, and it can provide better performance, but it's not a requirement. Any gas that's put in your Lexus RX shouldn't be higher than 15% ethanol. If gasoline at the pump has more than 15% ethanol, or it's labeled as a flex-fuel, it shouldn't be used in your RX.


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.