2018 WRX Premium Tire Size: What You Need to Know

2018 WRX Premium Tire Size Overview

When it comes to the 2018 Subaru WRX Premium, understanding the tire size is crucial for performance, safety, and overall driving experience. The WRX is known for its sporty nature and all-wheel-drive capability, making the right tire choice even more important. Let’s break down the tire sizes for the different trims and what they mean for you as an owner.

Stock Tire Sizes by Trim

The 2018 WRX comes in several trims, each with its own specifications. Below is a table that outlines the stock tire sizes for each trim level:

Trim Level	Front Tire Size	Rear Tire Size	Wheels
WRX Premium	245/40 R18	245/40 R18	18 x 8.0 inches
WRX Limited	245/40 R18	245/40 R18	18 x 8.0 inches
WRX STI	255/35 R18	255/35 R18	18 x 8.5 inches

Understanding Tire Size Notation

The tire size notation, such as 245/40 R18, may seem complicated, but it breaks down into three key components:

• 245 – This is the width of the tire in millimeters. A wider tire provides better grip but can affect fuel efficiency.
• 40 – This is the aspect ratio, which represents the height of the tire’s sidewall as a percentage of its width. A lower number means a shorter sidewall, which can enhance handling.
• R18 – This indicates that the tire is radial and fits on an 18-inch wheel. The diameter of the wheel is crucial for ensuring proper fitment.

Why Tire Size Matters

Choosing the right tire size is not just about aesthetics. Here are a few reasons why you should pay attention:

• Performance: The right tire size can significantly affect your WRX’s handling, cornering stability, and braking performance.
• Safety: Incorrect tire sizes can lead to issues like reduced traction, increased stopping distances, and even tire blowouts.
• Fuel Efficiency: Wider tires can create more rolling resistance, which may decrease your fuel economy.

Aftermarket Considerations

If you’re considering aftermarket tires, keep in mind the following:

1. Stick to the manufacturer’s recommended sizes to avoid any performance issues.
2. Consider your driving conditions. If you’re in a snowy area, you might want to opt for tires specifically designed for winter conditions.
3. Always consult with a professional if you’re unsure about what size or type of tire is best for your WRX.

In summary, knowing the stock tire sizes for the 2018 WRX Premium and its various trims is essential for maintaining optimal performance and safety. Whether you’re hitting the track or just cruising around town, the right tires make all the difference.

Exploring the Smallest and Biggest Tire Sizes for the 2018 WRX Premium

When it comes to the Subaru WRX Premium, tire size plays a crucial role in how your car performs on the road. The stock tire size is 245/40 R18, but enthusiasts often explore different sizes for various reasons. Let’s dive into the smallest and biggest tire sizes that can fit the 2018 WRX Premium, along with insights from forums and owner feedback.

Smallest Tire Size Options

While the stock size is a reliable choice, some owners look for smaller tires to improve ride comfort or performance in specific conditions. The smallest tire size options for the 2018 WRX Premium that have been discussed in forums include:

• 235/40 R18: This size offers a slightly narrower profile, which can enhance fuel efficiency and reduce road noise. Owners report a more comfortable ride, especially on longer trips.
• 225/40 R18: Going even smaller, this size can provide better agility in tight corners. Some drivers have noted that it gives a sportier feel but may sacrifice some grip during high-speed maneuvers.

Owner Feedback on Smaller Tires

Many WRX owners who have switched to smaller tires share mixed experiences:

1. Improved Comfort: Several users mentioned that the ride quality improved with smaller tires, especially on bumpy roads.
2. Less Road Noise: A common theme was reduced road noise, making for a quieter cabin.
3. Handling Trade-offs: Some drivers felt that while smaller tires improved comfort, they also reduced overall grip, especially in wet conditions.

Biggest Tire Size Options

On the flip side, some enthusiasts prefer to go bigger for enhanced performance and a more aggressive stance. The largest tire sizes that fit the 2018 WRX Premium include:

• 255/35 R18: This size is popular among performance enthusiasts. It provides a wider contact patch, improving grip during hard cornering. Many owners report a noticeable increase in handling responsiveness.
• 265/35 R18: Some forum members have successfully fitted this size, although it may require slight modifications to avoid rubbing. The increased width offers even better traction but can impact ride comfort.

Owner Feedback on Bigger Tires

The feedback from owners who have opted for larger tires is generally positive, but it comes with some caveats:

1. Enhanced Grip: Many drivers praised the increased grip and stability during high-speed driving and cornering.
2. Sporty Appearance: A common reason for choosing bigger tires is the aggressive look they provide, which many owners find appealing.
3. Ride Comfort: Some users reported that while grip improved, the ride became stiffer, which might not be ideal for daily driving.

Best Tires Based on Owner Recommendations

Choosing the right tire goes beyond size. Based on forum discussions and owner feedback, here are some of the best tire options for the 2018 WRX Premium:

• Michelin Pilot Sport 4S: Highly recommended for its exceptional grip and performance in both dry and wet conditions. Owners love the responsiveness and durability.
• Continental ExtremeContact Sport: Known for its balanced performance, this tire provides great traction and comfort, making it a favorite among daily drivers and weekend warriors alike.
• Bridgestone Potenza RE-71R: A track-focused tire that offers incredible grip and handling. Ideal for those who take their WRX to the track but may sacrifice some comfort for performance.

Considerations for Tire Selection

When selecting tires for your WRX Premium, keep these factors in mind:

• Driving Conditions: Consider where you drive most often. If you frequently encounter wet or snowy conditions, look for tires specifically designed for those environments.
• Driving Style: Your driving habits will dictate the best tire choice. If you push your WRX to its limits, opt for performance-oriented tires.
• Budget: Tires come in a range of prices. While it’s tempting to go for the cheapest option, investing in quality tires can save you money in the long run through better performance and longevity.

In the world of tires, size matters, but so does quality. Whether you choose to go bigger or smaller, understanding the impact on your 2018 WRX Premium can lead to a more enjoyable driving experience.