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What size are the wheels on a Lexus SC430?

The Lexus SC430 is a luxury convertible sports car that was produced by Toyota's Lexus division from 2001 to 2010. The standard wheel size for the Lexus SC430 is 18 inches in diameter.


Detailed Wheel Specifications


The Lexus SC430 came equipped with the following standard wheel sizes:



  • Front wheels: 18 x 8 inches

  • Rear wheels: 18 x 9 inches


These wheel sizes were standard across all model years of the SC430. The wheels were made of alloy and had a split-spoke design. Lexus also offered optional wheel upgrades, such as 19-inch wheels, for buyers who wanted a more aggressive look and improved performance.


Why the 18-Inch Wheel Size?


The 18-inch wheel size was chosen by Lexus engineers to provide the optimal balance of ride comfort, handling, and aesthetics for the SC430. Larger 19-inch wheels would have offered sharper handling but a harsher ride, while smaller 17-inch wheels may have compromised the car's sporty character.


The 18-inch wheel diameter was a common size for luxury sports cars of that era, allowing Lexus to equip the SC430 with tires that provided responsive steering and good high-speed stability without sacrificing too much ride quality.

Is the Lexus SC430 rare?


The car is relatively rare. Almost 50% were year models 2002 and 2003.



What size wheels are on the Lexus SC430 OEM?


18 inch
Product specifications

Size18 inch
Pitch Circle Diameter114.3 Millimeters
Rim Size18 Inches
Item Diameter18 Inches
Rim Width8 Inches



How much is a 2003 Lexus SC430 worth?


The value of a used 2003 Lexus SC 430 ranges from $3,473 to $8,917, based on vehicle condition, mileage, and options. Get a free appraisal here.



What size tires are on a 2002 Lexus SC430?


The standard tire size for a 2002 Lexus SC430 is 245/40R18. This size fits the original 18-inch wheels and is a common size for the vehicle, though alternative options like 245/45R18 may be used for a smoother ride or other performance goals. 

  • Standard size: 245/40R18
  • Alternative size: 245/45R18 (for a smoother ride)


Kevin's Auto

Kevin Bennett

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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.