What size tires are on a Lexus 430 SC?
The most common factory tire size for the Lexus SC 430 is 245/45R18 in the front and 275/40R18 in the rear.
Across model years, wheel size and tire sizes varied. The SC 430 was primarily equipped with 18-inch wheels, but some late-year models and markets offered 19-inch wheels with 245/40R19 front and 275/35R19 rear. Always verify against your car’s door placard or owner's manual, as tires can vary by year, trim, and market.
Common stock tire configurations
Two main factory configurations cover the typical SC 430 tire setups you’ll encounter on stock cars.
- 18-inch wheel configuration: front tires 245/45R18; rear tires 275/40R18.
- 19-inch wheel configuration (optional on some models): front tires 245/40R19; rear tires 275/35R19.
These sizes reflect the standard equipment for most U.S. market SC 430s and the common optional-wheel configuration. If your vehicle has aftermarket wheels or a different trim, sizes may differ.
How to verify your specific tire size
To determine the exact tire size for your SC 430, check the door jamb placard on the driver's side door frame; it lists the recommended sizes for front and rear. You can also read the tire sidewalls, which display the size (for example, 245/45R18) and the owner's manual for original equipment specifications.
Summary
In short, most SC 430 models ride on 18-inch wheels with 245/45R18 front and 275/40R18 rear tires. Some models with optional 19-inch wheels use 245/40R19 front and 275/35R19 rear. Always confirm your exact sizes from the door placard or manual before purchasing tires.
What is the life expectancy of a Lexus SC430?
The Lexus SC 430 has an average lifespan of 90,067 miles or about 10.3 years. The SC 430's predicted lifespan is derived from over 300 million data points iSeeCars analyzed to determine this model's average lifespan.
Is the Lexus SC430 rare?
The car is relatively rare. Almost 50% were year models 2002 and 2003.
What size tires are on a Lexus SC430?
The standard tire size for a Lexus SC430 is 245/40ZR18 for most years, but other factory and aftermarket sizes are available depending on the specific model year and wheel size. For example, optional sizes include 19-inch (245/35-19) or 20-inch (245/30-20) wheels, and some owners opt for larger sizes like 275/35-18 on the rear for a staggered look.
Standard tire sizes
- 18-inch wheels: 245/40ZR18
- 19-inch wheels: 245/35-19
- 20-inch wheels: 245/30-20
Other common or optional sizes
- Staggered 18-inch: 245/40ZR18 front and 275/35-18 rear
- Staggered 19-inch: 245/35-19 front and 275/30-19 rear
- Staggered 20-inch: 245/30-20 front and 255/30-20 rear
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.
