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What size tires are on the Lexus RX 450h?

The Lexus RX 450h, a popular luxury hybrid SUV, comes equipped with a specific tire size that provides a balance of performance, comfort, and fuel efficiency. According to the manufacturer, the standard tire size for the Lexus RX 450h is 235/65R18.


Tire Size Breakdown


Let's break down the tire size specification for the Lexus RX 450h:



  • 235 - This number represents the tire's width in millimeters. The 235-millimeter width provides a good balance between handling, ride comfort, and fuel efficiency.

  • 65 - This number is the aspect ratio, which is the ratio of the tire's sidewall height to the tread width. A 65 aspect ratio is considered a standard, all-purpose ratio that offers a comfortable ride and responsive handling.

  • R - This letter stands for "radial," which is the construction type of the tire. Radial tires are the most common type of tire used on modern vehicles, including the Lexus RX 450h.

  • 18 - This number represents the wheel diameter in inches. The 18-inch wheel size is a popular choice for the Lexus RX 450h, as it provides a good balance between ride quality, handling, and aesthetics.


The 235/65R18 tire size is a common specification for many mid-size and large SUVs, including the Lexus RX 450h. This size offers a comfortable ride, good handling, and reasonable fuel efficiency, making it a well-rounded choice for the hybrid luxury SUV.


Tire Replacement Considerations


When it comes time to replace the tires on your Lexus RX 450h, it's important to use the same or a similar tire size to maintain the vehicle's handling, performance, and safety characteristics. Consult your owner's manual or speak with a Lexus dealer to ensure you select the appropriate replacement tires for your vehicle.

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.



What is the driving range of the RX450h?


To accommodate the larger battery pack, Lexus shrank the RX450h+'s fuel tank to 14.5 gallons (about 3 gallons smaller than all other RX variants), though it's reportedly capable of an impressive 540 miles of total driving range from a full gas tank and charged battery pack.



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.



Is Lexus RX 450h expensive to maintain?


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



How long does Lexus RX450h 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.



How much does it cost to replace a Lexus RX450h battery?


The average cost for a Lexus RX450h Hybrid High Voltage Battery Replacement is between $7,814 and $7,911 but can vary from car to car.



What brand tires does Lexus use?


Like other automakers, Lexus does not manufacture its own tires, but rather equips its vehicles with tires made by brands such as Goodyear, Pirelli, Bridgestone, Michelin, Dunlop, and Continental.



What is the difference between Lexus RX 350 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 is the tire size for a Lexus RX450h?


The Lexus RX 450h has a number of different wheel and tyre options. When it comes to tyres, these range from 235x55 R20 for SUV in 2022.



Is there any problem with the Lexus RX450h?


Lexus RX 450h air suspension problems
RX 450h models are fairly heavy and often develop suspension problems. Some owners report leaks in the system, while others report the compressor wears out quickly and has to be replaced.


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.