2009 Subaru WRX Tire Size

The 2009 Subaru WRX is a performance-oriented vehicle that demands attention to detail, especially when it comes to tire size. Whether you’re hitting the track or navigating through city streets, the right tire size can make a significant difference in handling, performance, and safety. Let’s break down the tire sizes based on different trims of the 2009 WRX.

Understanding Tire Sizes

Before diving into the specifics, it’s essential to understand what the tire size numbers mean. A typical tire size is expressed in a format like 225/45R17. Here’s the breakdown:

• 225 – This number represents the width of the tire in millimeters.
• 45 – This number is the aspect ratio, indicating the height of the sidewall as a percentage of the width.
• R – This letter signifies that the tire is of radial construction.
• 17 – This number indicates the diameter of the wheel in inches that the tire is designed to fit.

Tire Sizes by Trim

The 2009 Subaru WRX comes in several trims, each with its specifications. Here’s a detailed look at the tire sizes for each trim:

WRX Base Model

• Tire Size: 225/45R17
• Wheel Diameter: 17 inches
• Recommended Tire Pressure: 30 PSI (front and rear)

WRX Premium

• Tire Size: 225/45R17
• Wheel Diameter: 17 inches
• Recommended Tire Pressure: 30 PSI (front and rear)

WRX STI

• Tire Size: 245/40R18
• Wheel Diameter: 18 inches
• Recommended Tire Pressure: 30 PSI (front), 28 PSI (rear)

Tire Size Comparison Table

Choosing the Right Tires

When selecting tires for your 2009 Subaru WRX, consider the following factors:

• Driving Conditions: If you frequently drive in wet or snowy conditions, look for tires designed for those environments.
• Performance Needs: For track enthusiasts, high-performance tires can enhance grip and handling.
• Longevity: All-season tires may offer a longer lifespan compared to performance tires, but they might compromise on grip.

By understanding the tire sizes and specifications for your 2009 Subaru WRX, you can make informed decisions that enhance your driving experience.

Alternate Tire Sizes for the 2009 Subaru WRX

When it comes to the 2009 Subaru WRX, the right tires can make or break your driving experience. While the factory tire sizes are a good starting point, many owners have explored alternate tire sizes to enhance performance, handling, and comfort. This section dives into some popular alternate tire sizes and the best tire models based on feedback from forums and owner experiences.

Understanding Alternate Tire Sizes

Before swapping out your tires for something different, it’s crucial to understand how alternate sizes can impact your vehicle. Here’s what you need to know:

• Aspect Ratio: Changing the aspect ratio affects the ride height and handling characteristics. A lower aspect ratio typically means better handling but can lead to a harsher ride.
• Width: Wider tires can improve grip but may also lead to increased road noise and reduced fuel efficiency.
• Diameter: Altering the wheel diameter can affect speedometer accuracy and overall vehicle dynamics.

Popular Alternate Tire Sizes

Many WRX owners have successfully used alternate tire sizes that fit well and enhance performance. Here are some commonly recommended sizes:

• 235/45R17: A slightly wider option that provides better grip without compromising ride quality.
• 245/40R18: A popular choice for those looking for a performance upgrade, offering improved cornering capabilities.
• 215/50R17: A narrower option that can improve fuel efficiency while still maintaining decent performance.

Best Tire Models Based on Owner Feedback

After scouring various forums and owner reviews, several tire models have consistently received high marks from 2009 WRX owners. Here are some of the top contenders:

1. Michelin Pilot Sport PS2

• Size: 225/45R17
• Pros: Exceptional grip in both wet and dry conditions, excellent tread life.
• Cons: Higher price point, may be overkill for daily driving.

2. Bridgestone Potenza RE-71R

• Size: 245/40R18
• Pros: Outstanding dry grip, quick steering response, ideal for track use.
• Cons: Limited tread life, not the best for wet conditions.

3. Continental ExtremeContact DWS06

• Size: 225/45R17
• Pros: All-season performance, great wet traction, comfortable ride.
• Cons: Not as sharp in handling compared to summer tires.

4. Falken Azenis RT615K

• Size: 235/45R17
• Pros: Excellent grip and responsiveness, designed for performance enthusiasts.
• Cons: Tread wear can be rapid, not ideal for daily driving.

5. Dunlop Direzza ZIII

• Size: 245/40R18
• Pros: Great cornering stability, responsive steering, good wet traction.
• Cons: Tread life may not be as long as all-season options.

Owner Insights and Recommendations

From various discussions on forums, WRX owners emphasize the importance of balancing performance and daily usability. Here are some key takeaways:

• Many owners recommend sticking to the factory specifications for daily driving but consider wider tires for track days.
• Regularly check tire pressure and alignment to ensure optimal performance and tire longevity.
• Investing in high-quality tires can save money in the long run by improving fuel efficiency and reducing wear on other components.

By exploring alternate tire sizes and models, you can tailor your 2009 Subaru WRX to better suit your driving style and needs. Make informed choices based on real-world feedback, and you’ll be well on your way to maximizing your vehicle’s performance.