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What is the difference between RX450h and RX500h?


As an auto service expert with years of experience, I often get questions about the differences between various vehicle models, especially hybrids. The Lexus RX450h and RX500h are two popular choices in the luxury hybrid SUV market. In this article, we'll explore their key differences, helping you make an informed decision if you're considering one of these vehicles.


Powertrain and Performance


The most significant difference between the RX450h and RX500h lies in their powertrains. The RX450h is equipped with a 3.5-liter V6 engine paired with an electric motor, producing a combined output of around 308 horsepower. This setup provides a smooth and efficient driving experience, ideal for daily commutes and long trips alike.


On the other hand, the RX500h features a more powerful hybrid system. It combines a turbocharged 2.4-liter four-cylinder engine with an electric motor, generating a total output of approximately 366 horsepower. This increase in power translates to a sportier driving experience, making the RX500h more responsive and agile on the road.


Fuel Efficiency


When it comes to fuel efficiency, both models perform admirably, but there are differences worth noting. The RX450h typically achieves around 30 mpg in the city and 28 mpg on the highway, making it a great option for those prioritizing fuel economy.


In contrast, the RX500h, while still efficient, offers slightly lower fuel economy due to its increased power. It averages about 27 mpg in the city and 25 mpg on the highway. This trade-off may be worth it for drivers seeking enhanced performance.


Technology and Features


Both the RX450h and RX500h come equipped with a range of advanced technology and luxury features. However, the RX500h often includes more cutting-edge options as standard, reflecting its position as a higher-tier model. Key features include:



  • Advanced driver-assistance systems

  • Upgraded infotainment systems with larger displays

  • Enhanced audio systems

  • More premium interior materials


Price and Value


Price is another critical factor when comparing these two models. The RX450h generally has a lower starting price, making it a more accessible option for buyers looking for a luxury hybrid SUV. The RX500h, with its additional power and features, comes at a premium, reflecting its enhanced capabilities and luxury offerings.


Conclusion


In summary, the choice between the RX450h and RX500h ultimately depends on your priorities. If you value fuel efficiency and a smooth ride, the RX450h is an excellent choice. However, if you seek a more powerful and dynamic driving experience, the RX500h may be worth the investment. Whichever model you choose, both offer the luxury and reliability that Lexus is known for.


Frequently Asked Questions

Does Lexus 350h require premium gas?


According to Lexus, the RX 350h requires premium unleaded gasoline with an octane rating of 91 or higher. This recommendation is consistent across all model years of the RX 350h. Using a lower octane fuel can potentially lead to engine knocking, reduced performance, and decreased fuel efficiency.



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 a Lexus RX500h?


OVERVIEW. 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.



Is Lexus RX 450h expensive to maintain?


The annual maintenance cost of a Lexus RX450h is $540. Repair and maintenance costs vary depending on age, mileage, location and shop.



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


A major difference between the two is seen in the engine and performance with the RX 350h equipped with a 246hp 2.5L 4-cylinder engine with Lexus Hybrid Electric Drive and the RX 450h+ having a 304hp 2.5L 4-cylinder engine with Lexus Plug-in Hybrid Electric Drive.



Is Lexus RX 450h a reliable car?


The probability of a repair being a severe or major issue is 7% for the Lexus RX450h, compared to an average of 11% for luxury midsize SUVs and 12% for all vehicle models. The average total annual cost for unscheduled repairs and maintenance across all model years of a vehicle.



Which year Lexus RX 450h is the best?


The Best Model Years to Buy a Lexus RX 450h
The 2022 Lexus RX 450h is our top pick for the best model year value for the RX 450h. With the 2022, you would only pay, on average, 71% of the price as new, with 83% of the vehicle's useful life remaining.



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.



How much is the Lexus rx500h resale value?


A 2023 Lexus RX RX 500h F SPORT Performance Sport Utility 4D has depreciated $14,391 or 22% in the last 2 years and has a current resale value of $48,759 and trade-in value of $45,664.



Is the Lexus RX 450h made in Japan?


The RX 450h – a luxury hybrid, proudly made in Canada.


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.