What is the difference between Lexus RX 350h and 450h?
The Lexus RX lineup is renowned for its luxury, reliability, and hybrid technology. If you're considering a hybrid SUV, the RX 350h and RX 450h are two popular options. While they share similarities, there are key differences in performance, features, and pricing that can help you decide which model suits your needs best.
Performance and Powertrain
One of the primary differences between the RX 350h and RX 450h lies in their powertrains and performance capabilities:
- Lexus RX 350h: The RX 350h is equipped with a 2.5-liter 4-cylinder engine paired with Lexus' hybrid electric system. It delivers a combined output of approximately 246 horsepower and is designed for efficiency, offering excellent fuel economy for a luxury SUV.
- Lexus RX 450h: The RX 450h, on the other hand, features a more powerful 3.5-liter V6 engine combined with Lexus' hybrid system. This setup produces a higher combined output of around 308 horsepower, providing a more dynamic driving experience.
In summary, the RX 350h is ideal for those prioritizing fuel efficiency, while the RX 450h caters to drivers seeking more power and performance.
Fuel Efficiency
Fuel economy is another area where these two models differ:
- Lexus RX 350h: The RX 350h offers superior fuel efficiency, with an estimated combined MPG of around 33-37, depending on driving conditions and configurations.
- Lexus RX 450h: The RX 450h, while still efficient for its class, achieves a slightly lower combined MPG of approximately 30-32 due to its larger engine and increased power output.
If maximizing fuel savings is your goal, the RX 350h is the better choice. However, the RX 450h still provides respectable efficiency for a performance-oriented hybrid SUV.
Pricing and Features
Pricing and available features also set these two models apart:
- Lexus RX 350h: The RX 350h is generally more affordable, making it an attractive option for budget-conscious buyers who still want a luxury hybrid SUV. It comes with a robust set of standard features, including advanced safety systems, premium materials, and a user-friendly infotainment system.
- Lexus RX 450h: The RX 450h is priced higher due to its more powerful engine and additional features. It often includes upgrades such as enhanced all-wheel-drive systems, more advanced technology packages, and luxury add-ons like premium leather upholstery and larger infotainment displays.
Ultimately, the RX 350h offers great value for those seeking luxury and efficiency, while the RX 450h provides a more premium experience with added performance and features.
Conclusion
Both the Lexus RX 350h and RX 450h are excellent hybrid SUVs, each catering to different needs. The RX 350h is perfect for drivers who prioritize fuel efficiency and affordability, while the RX 450h is better suited for those who desire more power and luxury features. Consider your driving habits, budget, and preferences to determine which model aligns best with your lifestyle.
Frequently Asked Questions
Is the Lexus 350h a plug-in hybrid?
The RX 350h is a conventional — rather than a plug-in — hybrid. Unlike the V6-based RX 450h from last year, the 2023 RX 350h employs a four-cylinder engine, improving fuel economy while retaining the off-the-line responsiveness supplied by the electric assist motors.
What is the mileage on a Lexus RX 350h?
37 mpg city/34 mpg highway
2023 Lexus RX 350h AWD: 37 mpg city/34 mpg highway.
How long does a Lexus RX 450h hybrid battery last?
2021 Lexus RX 450h batteries frequently last between 3-5 years, but this is variable depending on the type of battery, weather conditions, driving habits, and more. You can prolong the life of your RX 450h battery by: Keeping your vehicle stored indoors away from extreme swings in temperature or climate.
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 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 difference in Lexus hybrid and plug-in hybrid?
The main difference between hybrid and plug-in hybrid vehicles is that plug-in hybrid vehicles can be driven using nothing but electric power—at least for short distances. With a plug-in hybrid, you may be able to charge up overnight and knock out your commute without any gas at all.
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.
How many miles per gallon does the Lexus RX 450h+ get?
35 mpg combined
The EPA rates the 2024 Lexus RX 450H+ at 35 mpg combined when running on hybrid power and 83 MPGe when including electric driving. One of the reasons for this excellent fuel efficiency is the all-electric driving range of 37 miles, during which the 450H+ doesn't need to use any gasoline.
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.
What does the RX 350h stand for?
The 2025 Lexus RX 350 is outfitted with a turbo 2.4-liter, four-cylinder engine. This system comes with an eight-speed auto transmission and produces 275 horsepower. The RX 350h combines a 2.5-liter, four-cylinder engine with a hybrid component for enhanced fuel economy.
