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Is RX 450h better than RX 350?

The Lexus RX 450h is a hybrid version of the popular RX luxury crossover SUV, while the RX 350 is the standard gasoline-powered model. Both vehicles offer premium features and performance, but there are some key differences that may make one a better choice than the other depending on your needs and preferences.


Fuel Efficiency


The primary advantage of the RX 450h is its superior fuel efficiency. The hybrid model is rated at 29 mpg city, 28 mpg highway, and 28 mpg combined, while the RX 350 gets 20 mpg city, 27 mpg highway, and 23 mpg combined. This makes the RX 450h a more eco-friendly and cost-effective choice, especially for those who do a lot of city driving.


Performance


In terms of performance, the RX 350 has a slight edge. It is powered by a 3.5-liter V6 engine that produces 295 horsepower, compared to the RX 450h's 308 horsepower from its hybrid powertrain. However, the RX 450h's electric motors provide instant torque, giving it a more responsive feel in everyday driving.


Pricing and Practicality


The RX 450h carries a higher starting price than the RX 350, with a difference of around $5,000 to $10,000 depending on the trim level and options. However, the fuel savings from the hybrid system may offset this premium over time. The RX 450h also maintains the same cargo space and seating capacity as the standard RX 350, making it a practical choice for families and those who need the utility of a crossover SUV.


Conclusion


In summary, the Lexus RX 450h is the better choice for those who prioritize fuel efficiency and environmental friendliness, while the RX 350 may be the better option for those who value pure performance or want to save on the initial purchase price. Ultimately, the decision will depend on your individual needs and preferences.

What is the best year to buy a Lexus 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.



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 life expectancy of a Lexus RX 450h?


The Lexus RX 450h has an average lifespan of 183,589 miles or about 15.7 years. The RX 450h's predicted lifespan is derived from over 300 million data points iSeeCars analyzed to determine this model's average lifespan.



What are the common faults on a Lexus RX450h?


Suspension problems are also common in the Lexus RX450h, particularly in models that have high mileage. Some owners have reported leaks in the air suspension system, while others have reported that the compressor wears out quickly and needs to be replaced.



Is Lexus RX 450h expensive to maintain?


The annual maintenance cost of a Lexus RX450h is $540.



How long does a Lexus 450h hybrid battery last?


15 years
Under average driving conditions, you'll need a hybrid car battery replacement roughly once every 150,000 miles or 15 years, whichever comes first.



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.



How many miles per gallon does a Lexus 450h hybrid get?


Lexus RX 500h AWD: 27 city / 28 highway / 27 combined* Lexus RX 450h+ AWD: 83 MPGe**



What is the difference between Lexus RX 350 and 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 the 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.


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.