2021 Lexus RX350 Tire Size: What You Need to Know

2021 Lexus RX350 Tire Size

The 2021 Lexus RX350 is a luxury midsize SUV that combines style, comfort, and performance. One of the key components that contribute to its overall performance and safety is the tire size. Understanding the correct tire size for your specific trim can help you maintain optimal handling, fuel efficiency, and safety on the road. Below, we will break down the tire sizes for different trims of the 2021 Lexus RX350.

Tire Sizes by Trim

The 2021 Lexus RX350 comes in several trims, each with its own specifications. Here’s a detailed look at the tire sizes for each trim level.

Base Trim

– **Tire Size**: 235/65R18
– **Wheel Diameter**: 18 inches
– **Tread Width**: 235 mm
– **Aspect Ratio**: 65

F Sport Trim

– **Tire Size**: 235/55R20
– **Wheel Diameter**: 20 inches
– **Tread Width**: 235 mm
– **Aspect Ratio**: 55

Luxury Trim

– **Tire Size**: 235/65R18
– **Wheel Diameter**: 18 inches
– **Tread Width**: 235 mm
– **Aspect Ratio**: 65

Premium Trim

– **Tire Size**: 235/55R20
– **Wheel Diameter**: 20 inches
– **Tread Width**: 235 mm
– **Aspect Ratio**: 55

Tire Size Table

Trim Level Tire Size Wheel Diameter Tread Width Aspect Ratio
Base 235/65R18 18 inches 235 mm 65
F Sport 235/55R20 20 inches 235 mm 55
Luxury 235/65R18 18 inches 235 mm 65
Premium 235/55R20 20 inches 235 mm 55

Why Tire Size Matters

Choosing the right tire size is crucial for several reasons:

  • Handling: The correct tire size ensures that your vehicle handles well. A mismatch can lead to poor steering response and reduced stability.
  • Fuel Efficiency: Properly sized tires contribute to better fuel efficiency. Oversized tires can increase rolling resistance, leading to more fuel consumption.
  • Safety: Tires that are too small or too large can affect braking distances and traction, which are critical for safe driving.
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Understanding the tire size for your 2021 Lexus RX350 is not just about aesthetics; it is about performance, safety, and comfort. Make sure to check your owner’s manual or consult with a tire professional if you have any doubts about the right size for your vehicle.

Smallest and Biggest Tire Sizes for the 2021 Lexus RX350

When it comes to the 2021 Lexus RX350, understanding the smallest and biggest tire sizes is essential for any owner. Choosing the right tires can significantly impact your driving experience, from comfort to handling. Let’s dive into the details of the smallest and biggest tire sizes available for this luxury SUV and explore some recommendations based on owner feedback and discussions in automotive forums.

Smallest Tire Size

The smallest tire size for the 2021 Lexus RX350 is 235/65R18. This size is standard for the base and luxury trims. Here’s a breakdown of its specifications:

  • Tire Width: 235 mm
  • Aspect Ratio: 65
  • Rim Diameter: 18 inches

Why Choose the Smallest Size?

Opting for the smallest tire size has its advantages. Here are some reasons why owners might prefer this size:

  • Comfortable Ride: The taller sidewall helps absorb bumps and provides a smoother ride.
  • Better Fuel Efficiency: Smaller tires generally reduce rolling resistance, which can lead to improved fuel efficiency.
  • Cost-Effective: Tires in this size range tend to be more affordable, making replacements easier on the wallet.

Biggest Tire Size

On the flip side, the biggest tire size for the 2021 Lexus RX350 is 235/55R20. This size is commonly found on the F Sport and premium trims. Here’s what you need to know:

  • Tire Width: 235 mm
  • Aspect Ratio: 55
  • Rim Diameter: 20 inches
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Advantages of the Biggest Size

Choosing the biggest tire size can enhance your driving experience in several ways:

  • Improved Handling: Wider tires provide better grip and stability, especially during cornering.
  • Aesthetic Appeal: Larger tires can give your RX350 a more aggressive and sporty look.
  • Enhanced Performance: Bigger tires can improve acceleration and braking performance under certain conditions.

Best Tire Recommendations

Based on discussions in automotive forums and owner feedback, here are some of the best tire options for the 2021 Lexus RX350, both for the smallest and biggest sizes.

For 235/65R18 Tires

1. **Michelin Premier LTX**
– Known for its excellent wet traction and comfort.
– Offers a quiet ride and long tread life.

2. **Goodyear Assurance WeatherReady**
– A versatile all-season tire that performs well in various weather conditions.
– Provides good handling and stability.

3. **Continental TrueContact Tour**
– Offers a balance of performance and comfort.
– Known for its fuel efficiency and long-lasting tread.

For 235/55R20 Tires

1. **Bridgestone Dueler H/L Alenza Plus**
– Excellent for all-season performance with a focus on comfort.
– Provides a quiet ride and good tread life.

2. **Pirelli Scorpion Verde All Season**
– A popular choice for its sporty handling and low rolling resistance.
– Offers good performance in both wet and dry conditions.

3. **Michelin Latitude Tour HP**
– Known for its comfort and smooth ride.
– Offers reliable performance and all-season capability.

Final Thoughts on Tire Sizes

Understanding the smallest and biggest tire sizes for the 2021 Lexus RX350 can help you make an informed decision when it comes to replacements or upgrades. Whether you prefer the comfort of the smaller tires or the performance of the larger ones, there are plenty of options to suit your driving style and needs. Always consult with a tire professional if you have any questions about compatibility and performance.

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