Loading

What is the difference between the Lexus RX350H and the RX 500h?


The Lexus RX lineup has long been a favorite among luxury SUV enthusiasts, offering a blend of performance, comfort, and cutting-edge technology. With the introduction of hybrid models like the RX 350h and RX 500h, Lexus has expanded its offerings to cater to eco-conscious drivers who don’t want to compromise on luxury or performance. But what sets these two models apart? Let’s dive into the details.


Performance and Powertrain


The most significant difference between the RX 350h and RX 500h lies in their performance and powertrain configurations:



  • Lexus RX 350h: This model features a 2.5-liter 4-cylinder engine paired with Lexus’s hybrid electric system. It delivers a combined output of approximately 246 horsepower. The RX 350h is designed for efficiency and smooth driving, making it an excellent choice for those prioritizing fuel economy and a quieter ride.

  • Lexus RX 500h: The RX 500h takes performance up a notch with a 2.4-liter turbocharged 4-cylinder engine combined with a hybrid system. This setup produces a robust 366 horsepower and includes a Direct4 all-wheel-drive system for enhanced handling and acceleration. It’s the sportier option, ideal for drivers seeking a more dynamic driving experience.


Fuel Efficiency


Fuel efficiency is another area where these two models differ:



  • RX 350h: With its focus on efficiency, the RX 350h offers better fuel economy, making it a great option for long commutes or city driving.

  • RX 500h: While still efficient for a performance-oriented SUV, the RX 500h sacrifices some fuel economy in favor of its increased power and sporty handling.


Driving Dynamics


The RX 500h is equipped with Lexus’s Direct4 all-wheel-drive system, which provides superior traction and stability, especially in challenging road conditions. This system also enhances cornering and acceleration, giving the RX 500h a sportier feel compared to the RX 350h, which uses a more traditional all-wheel-drive system focused on comfort and efficiency.


Price and Target Audience


As expected, the RX 500h comes with a higher price tag due to its advanced performance features and additional power. It’s aimed at drivers who value sporty performance and cutting-edge technology. On the other hand, the RX 350h is more budget-friendly and appeals to those who prioritize fuel efficiency and a smooth, luxurious ride.


Conclusion


Both the Lexus RX 350h and RX 500h are excellent choices within the luxury hybrid SUV market, but they cater to different needs. The RX 350h is perfect for those seeking efficiency, comfort, and affordability, while the RX 500h is tailored for drivers who crave performance and advanced driving dynamics. Your choice ultimately depends on your priorities—whether it’s fuel savings or a thrilling driving experience.


Frequently Asked Questions

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.



How much horsepower does the RX500h have?


Lexus RX500h F SPORT+ pairs an ultra-smooth 2.4-liter inline-four engine with a powerful, self-charging electric motor to deliver 366 horsepower with maximum fuel efficiency. It also features upgraded suspension and sports trim.



What is the most common problem with Lexus RX350?


Oil leaks. A significant issue plaguing early Lexus RX 350 models was oil leaks from the engine, causing maintenance challenges and expensive repairs and even leading to a replacement engine. Due to these leaks, many owners had to pay for engine sealants or repairs.



What kind of gas does the 2024 rx350h take?


premium unleaded fuel
Does the Lexus RX Hybrid require premium gas? The Lexus RX Hybrid is designed and engineered to run on premium gasoline of 91 octane or higher. This premium unleaded fuel helps the Lexus RX Hybrid models achieve exceptional performance and fuel efficiency.



What is the difference between RX350h and RX500h?


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.



Where is the RX500h made?


I wanted to drive the fifth-generation RX because it's a spacious SUV – though not overly roomy compared with some of its direct competition, such as the BMW X5 – and because it's made in Canada. After all, a drive on the Trans-Canada Highway deserved to be taken in a Canadian-made vehicle.



Does the 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.



What is the gas mileage on the RX350h?


37 mpg city/34 mpg highway
2023 Lexus RX 350h AWD: 37 mpg city/34 mpg highway.



What is the gas mileage for the 2024 RX350h?


How efficient is a 2024 Lexus RX 350h Premium? The 2024 Lexus RX 350h Premium has a 65 L (1.68 kWh) fuel tank and requires Premium Unleaded. Natural Resources Canada estimates that the 2024 Lexus RX 350h will use about 6.3 L/100km when you drive in the city and 6.8 L/100km for highway driving.



How many miles per gallon does the RX500h get?


27 city / 28 highway / 27 combined
Lexus RX 500h AWD: 27 city / 28 highway / 27 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.