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What size tires are on a 1990 Lexus LS400?


The 1990 Lexus LS400 is a classic luxury sedan that set the standard for comfort and performance in its era. If you're looking to replace or upgrade the tires on this vehicle, it's essential to know the correct tire size to ensure optimal performance, safety, and handling.


Original Equipment Tire Size for the 1990 Lexus LS400


The original equipment tire size for the 1990 Lexus LS400 is typically:



  • Front and Rear: 205/65R15


This size was chosen by Lexus to provide a balance of comfort, handling, and durability, which aligns with the luxury and performance characteristics of the LS400. The "205" refers to the tire's width in millimeters, "65" is the aspect ratio (the height of the sidewall as a percentage of the width), and "R15" indicates the tire is designed for a 15-inch wheel.


Why Tire Size Matters


Using the correct tire size is crucial for several reasons:



  • Safety: The wrong tire size can affect braking performance and handling, especially in adverse weather conditions.

  • Fuel Efficiency: Tires that are too large or too small can impact your vehicle's fuel economy.

  • Comfort: The original tire size is designed to provide the smooth ride that the Lexus LS400 is known for.

  • Longevity: Properly sized tires wear evenly and last longer, saving you money in the long run.


Upgrading or Replacing Tires


If you're considering upgrading or replacing the tires on your 1990 Lexus LS400, here are a few tips:



  • Stick to the recommended size: While you can explore slight variations, it's best to stay close to the original specifications to maintain the vehicle's performance and safety.

  • Consult a professional: If you're unsure about tire compatibility, consult a trusted auto service provider like Kevin's Autos for expert advice.

  • Consider your driving needs: If you frequently drive in snow or rain, you might want to explore all-season or performance tires that fit the recommended size.


Final Thoughts


Maintaining the correct tire size on your 1990 Lexus LS400 is essential for preserving its legendary ride quality and performance. If you have any questions or need assistance with tire selection or installation, feel free to reach out to Kevin's Autos. With years of experience in car maintenance and repair, we're here to help you keep your vehicle running smoothly.


Frequently Asked Questions

What size are stock LS400 wheels?


Lexus LS Wheel Size
The Lexus LS 400 has a number of different wheel and tyre options. When it comes to tyres, these range from 225x60 R16 for Sedan in 2000 with a wheel size that spans from 16x7 inches.



What is the life expectancy of a 1990 Lexus LS400?


You can keep virtually any car running if you are willing to pay. Having said that I think the "Economic" life of a LS400 is somewhere around 250-300K miles. But there is a well publicised article of an LS400 with >500K on it. It's all in the maintenance.



Is the LS400 engine reliable?


Especially one built by an auto manufacturer known for reliability, like Lexus. The second-gen LS400 benefits from the 1UZ-FE V8 engine. This powertrain is known for being able to achieve extremely high mileage and remain reliable while doing so.



What size tires are on a LS400?


225/60R16
Showing results for the most common tire size: 225/60R16What's This?



What size tyres are on a Lexus LS?


Lexus LS wears tyres of 245/45 R20 103Y size. There are 2 different tyre models available for LS from renowned brands like Apollo, MRF, Bridgestone and more. The most affordable tyre available for the LS is the Pirelli, which is priced at Rs.



What size are my factory wheels?


To find out the width of your stock wheel, you must look at the back side of the rim itself. Imprinted on a spoke of the OEM wheel is a number, such as 16x7. The “16” refers to the diameter, another way to discover this element, and the “7” refers to the rim's width.



What is the top speed of the 1990 Lexus LS 400?


155 mph
The LS 400's 0–100 kilometres per hour (62 mph) time was 8.5 seconds, and its top speed was 250 km/h (155 mph).



What size tires are on a 1991 Lexus LS400?


205/65R15
Shop Tires for 1991 Lexus LS400 Standard | 205/65R15 | Goodyear Auto Service.



What is my factory tire size?


If you don't know your tire size, you can just read the sidewall of your current tires. It's suggested that you snap a photo or write it down somewhere safe. You can also find the sizing on your vehicle's door placard, which is a sticker that's typically located inside the driver's door.



What size are my factory rims?


To find out the width of your stock wheel, you must look at the back side of the rim itself. Imprinted on a spoke of the OEM wheel is a number, such as 16x7. The “16” refers to the diameter, another way to discover this element, and the “7” refers to the rim's width.


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.