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What is the difference between 350h and 500h?


When it comes to hybrid vehicles, the terms "350h" and "500h" often refer to specific models or powertrain configurations within a manufacturer's lineup. These designations are commonly used by luxury automakers like Lexus to differentiate between hybrid powertrains in their vehicles. In this article, we’ll break down the key differences between the 350h and 500h to help you understand what sets them apart.


Understanding the Naming Convention


The numbers and letters in "350h" and "500h" provide important clues about the vehicle's performance and hybrid technology. Here's what they typically signify:



  • Numbers (350 vs. 500): These numbers generally indicate the relative power output or performance level of the vehicle. A higher number, such as 500, usually means more horsepower and better acceleration compared to a lower number like 350.

  • The "h": The "h" stands for "hybrid," indicating that the vehicle is equipped with a hybrid powertrain, which combines a gasoline engine with an electric motor for improved fuel efficiency and reduced emissions.


Performance Differences


The primary difference between the 350h and 500h lies in their powertrains and performance capabilities:



  • 350h: This configuration typically features a smaller gasoline engine paired with an electric motor. It is designed to prioritize fuel efficiency and smooth driving dynamics, making it an excellent choice for daily commuting and long-distance travel.

  • 500h: The 500h, on the other hand, is equipped with a more powerful gasoline engine and a larger or more advanced electric motor. This results in higher horsepower, quicker acceleration, and a more dynamic driving experience. It is often marketed as the performance-oriented hybrid option.


Fuel Efficiency vs. Performance


Another key distinction between the 350h and 500h is their focus on fuel efficiency versus performance:



  • Fuel Efficiency: The 350h is likely to offer better fuel economy due to its smaller engine and emphasis on efficiency. This makes it ideal for drivers who prioritize lower fuel costs and reduced environmental impact.

  • Performance: The 500h sacrifices some fuel efficiency in favor of delivering a more engaging and powerful driving experience. It is better suited for those who want a hybrid vehicle with sporty characteristics.


Which One Should You Choose?


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



  • If you value fuel efficiency, lower emissions, and a comfortable ride, the 350h is likely the better option for you.

  • If you’re looking for a hybrid vehicle that offers more power, quicker acceleration, and a sportier feel, the 500h is the way to go.


Conclusion


Both the 350h and 500h are excellent hybrid options, each catering to different needs. The 350h focuses on efficiency and practicality, while the 500h delivers enhanced performance and driving excitement. By understanding these differences, you can make an informed decision that aligns with your lifestyle and driving habits.


Frequently Asked Questions

Does Lexus RX 350h require premium gas?


The Lexus RX's Gas Requirements
Most 2024 and 2023 models require premium unleaded gas with an octane rating of 91 or higher. Models released between 2012 and 2022 use unleaded gasoline with an octane rating of 87 or higher. That means that while you can use premium gasoline in older RX models, it isn't required.



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


The 500h takes everything that the 350h gets and ups it considerably, adding 21-inch alloy wheels, a 21-speaker Mark Levinson audio system, “UltraSuede” accented real leather upholstery, dark aluminium interior trim and a panoramic sunroof.



How long is the wait for Lexus 350h?


A turnaround in the supply situation means that the average wait time for a Lexus NX350h is now down to 3-5 months (as of January 2024) and by mid-2024, new orders are expected to take 2-4 months to be delivered to customers.



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.



Is the RX 500h a hybrid?


The RX Hybrid is offered with a trio of efficient powertrains, all of which are paired with all-wheel drive: the 246-hp RX350h, the 366-hp RX500h F Sport Performance, and the 304-hp RX450h+ plug-in hybrid, which offers an estimated 37 miles of electric-only range.



What is the recall on the Lexus 350h?


Dealers will replace the driver and front passenger seat head rest assemblies, free of charge. Interim letters, notifying owners of the safety risk, were mailed August 19, 2024. A second notice will be sent once the final remedy is available. The final remedy is anticipated January 31, 2025.



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.



What is the difference between Lexus TX 350 and 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.



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 gas mileage on a Lexus TX 350h?


Fuel Economy and Real-World MPG
The EPA estimates that the TX350 is good for 21 mpg city and 27 mpg highway with front-wheel drive; all-wheel drive models drop the highway estimate to 26 mpg. On our 75-mph highway fuel-economy route the front-wheel drive TX350 outperformed its rating with a 31-mpg result.


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.