2011 Subaru STI Tire Size Overview
When it comes to the 2011 Subaru STI, selecting the right tire size is crucial for performance, handling, and safety. This high-performance vehicle is designed for enthusiasts who demand precision and control, and the tire size plays a significant role in achieving that. Below, we’ll break down the tire sizes for different trims and provide specifications to help you make an informed decision.
Standard Tire Size
The standard tire size for the 2011 Subaru STI is 245/40R18. This size is designed to offer a balance between grip, comfort, and performance. Here’s a breakdown of what those numbers mean:
- 245 – This is the width of the tire in millimeters.
- 40 – This is the aspect ratio, which represents the height of the sidewall as a percentage of the width. A lower number means a shorter sidewall, which typically enhances performance.
- R – This indicates that the tire is of radial construction.
- 18 – This is the diameter of the wheel in inches that the tire is designed to fit.
Trim Variants
The 2011 Subaru STI comes in a couple of variants, but the tire size remains consistent across the board. Here’s a quick look at the different trims:
| Trim Level | Tire Size | Wheel Diameter |
|---|---|---|
| STI Base | 245/40R18 | 18 inches |
| STI Limited | 245/40R18 | 18 inches |
Performance Considerations
Choosing the right tire size is not just about fitting your wheels. It directly affects your driving experience. Here are some key performance factors to consider:
- Handling: The 245/40R18 tires provide excellent grip, especially during cornering. The wider contact patch helps maintain control, which is essential for spirited driving.
- Ride Comfort: While a lower aspect ratio can enhance handling, it may compromise ride comfort. Be prepared for a firmer ride, especially on rough roads.
- Speed Rating: Ensure that the tires you choose have an appropriate speed rating. The STI is built for performance, so selecting tires that can handle high speeds is critical.
Aftermarket Options
If you’re looking to upgrade or replace your tires, there are several aftermarket options available that fit the 245/40R18 size. Here are some popular choices among STI owners:
- Michelin Pilot Sport PS2
- Bridgestone Potenza RE-71R
- Continental ExtremeContact Sport
These tires are known for their performance characteristics and can enhance your driving experience, whether you’re on the track or the street.
Final Thoughts on Tire Size
Understanding the tire size for your 2011 Subaru STI is essential for maintaining its performance and handling. The standard size of 245/40R18 is designed to provide a balance of grip and comfort, making it suitable for various driving conditions. Always consider your driving style and conditions when selecting tires, and don’t hesitate to consult with a tire professional if you’re unsure.
Alternative Tire Sizes for the 2011 Subaru STI
When it comes to the 2011 Subaru STI, enthusiasts often explore alternative tire sizes to enhance performance, comfort, or even aesthetics. While the standard tire size is 245/40R18, there are several other sizes that can fit the STI without compromising safety or performance. Let’s dive into some popular alternative tire sizes and the best tire models based on owner feedback and forum discussions.
Common Alternative Tire Sizes
There are a few alternative tire sizes that STI owners frequently consider. Here are the most popular options:
- 255/35R18 – This size offers a slightly wider contact patch, which can improve grip during aggressive cornering.
- 235/40R18 – A narrower option that can enhance steering response and may provide a bit more comfort on rough roads.
- 245/35R19 – For those looking to upsize to 19-inch wheels, this option maintains a similar overall diameter to the stock size.
Each of these sizes has its pros and cons, and the choice largely depends on your driving style and preferences.
Benefits of Alternative Sizes
Switching to an alternative tire size can yield several benefits:
- Improved Grip: Wider tires like the 255/35R18 can provide better traction, especially during spirited driving or track days.
- Enhanced Aesthetics: Upsizing to 19-inch wheels can give your STI a more aggressive look, appealing to those who prioritize style.
- Better Comfort: Narrower tires may offer a smoother ride, making daily driving more enjoyable.
Best Tire Models Based on Owner Feedback
After scouring forums and gathering feedback from fellow STI owners, a few tire models consistently rise to the top. Here are the best tire options for the 2011 Subaru STI, based on performance, durability, and user satisfaction.
1. Michelin Pilot Sport 4S
The Michelin Pilot Sport 4S is often hailed as one of the best performance tires available. Here’s why:
- Exceptional grip in both dry and wet conditions.
- Excellent tread life, making it a good investment.
- Responsive steering feel, enhancing the driving experience.
Many owners report that these tires provide a perfect balance of performance and comfort, making them a top choice for daily driving and track use.
2. Bridgestone Potenza RE-71R
For those looking for a tire that excels on the track, the Bridgestone Potenza RE-71R is a popular choice:
- Outstanding dry grip, ideal for aggressive cornering.
- Quick warm-up time, allowing for immediate performance.
- Shorter stopping distances compared to other performance tires.
However, keep in mind that these tires may wear out faster than others, so they are best suited for those who prioritize performance over longevity.
3. Continental ExtremeContact Sport
The Continental ExtremeContact Sport has been praised for its versatility:
- Great wet and dry performance, making it a reliable option year-round.
- Comfortable ride quality, even on rough surfaces.
- Good tread life, offering solid value for money.
Many owners appreciate the balance this tire strikes between performance and comfort, making it suitable for both spirited driving and everyday use.
4. Falken Azenis RT615K
If you’re looking for a tire that can handle the track while still being street-legal, the Falken Azenis RT615K is worth considering:
- Excellent grip during dry conditions, perfect for track days.
- Stiff sidewalls for improved cornering stability.
- Aggressive tread pattern that enhances aesthetics.
Users often rave about the performance capabilities of this tire, although it may sacrifice some comfort for the sake of grip.
Final Thoughts on Tire Selection
Choosing the right tire size and model for your 2011 Subaru STI is essential for optimizing performance and safety. Whether you stick with the standard size or explore alternatives, make sure to consider your driving habits and preferences. The feedback from fellow owners can be invaluable in making your decision, so don’t hesitate to tap into the community for insights.