2004 Audi S4 Tire Size
The 2004 Audi S4 is a performance-oriented vehicle that combines luxury with power. One of the critical aspects of maintaining this car’s performance and safety is ensuring you have the right tire size. The S4 comes in different trims, and each has specific tire requirements. Let’s break it down.
Understanding Tire Size
Before diving into the specifics, it’s essential to understand what tire size means. Tire sizes are typically represented in a format like P245/40ZR18. Here’s a quick breakdown:
- P: Indicates the tire is for passenger vehicles.
- 245: The width of the tire in millimeters.
- 40: The aspect ratio, which is the height of the sidewall as a percentage of the width.
- Z: Indicates the speed rating. Z means the tire can handle speeds over 149 mph.
- R: Stands for radial construction.
- 18: The diameter of the wheel in inches.
Stock Tire Sizes by Trim
The 2004 Audi S4 comes in two main trims: the sedan and the convertible. Each trim has its recommended tire size to optimize performance and handling.
| Trim | Front Tire Size | Rear Tire Size |
|---|---|---|
| Sedan | P245/40ZR18 | P245/40ZR18 |
| Convertible | P245/40ZR18 | P245/40ZR18 |
Why Tire Size Matters
Using the correct tire size is crucial for several reasons:
- Handling: The right tire size ensures optimal grip on the road, which is vital for a performance car like the S4.
- Safety: Incorrect tire sizes can lead to handling issues, especially at high speeds.
- Fuel Efficiency: Tires that are too wide or too narrow can affect your car’s fuel economy.
- Tire Wear: Using the wrong size will lead to uneven wear and tear, costing you more in the long run.
Recommended Tire Brands
When it comes to choosing tires for your 2004 Audi S4, not all tires are created equal. Here are some recommended brands that fit the stock size:
- Michelin Pilot Sport PS2
- Continental ExtremeContact DW
- Bridgestone Potenza RE760 Sport
- Goodyear Eagle F1 Asymmetric
Make sure to choose tires that meet or exceed the performance specifications of the S4. Always consult your owner’s manual or a trusted mechanic if you have any doubts about your tire selection.
Exploring the Smallest and Biggest Tire Sizes for the 2004 Audi S4
When it comes to the 2004 Audi S4, tire size isn’t just a matter of aesthetics; it plays a significant role in performance, handling, and safety. While the stock tire size is P245/40ZR18, many owners and enthusiasts have discussed alternatives on forums and shared their experiences. Let’s dive into the smallest and biggest tire sizes that can be used effectively on this performance vehicle.
Smallest Tire Size Options
If you’re looking to go smaller than the stock size, you might consider tires that can still maintain performance without compromising safety. The smallest tire size commonly discussed is P225/40ZR18. Here’s what you need to know:
- Benefits: A smaller tire can provide a slightly lighter weight, which can enhance acceleration and handling responsiveness.
- Drawbacks: Reducing tire width can lead to decreased grip, especially during high-speed cornering. It may also affect the speedometer accuracy.
- Owner Feedback: Some owners have reported that while smaller tires can improve steering feel, they also lead to more noticeable road noise and a rougher ride.
Recommended Small Tire Brands
Based on owner feedback and discussions in forums, here are some tires that fit the smaller size:
- Michelin Pilot Sport 4S
- Continental ExtremeContact Sport
- Pirelli P Zero Nero GT
These tires have received positive reviews for their performance characteristics, but keep in mind the trade-offs involved.
Biggest Tire Size Options
On the flip side, if you’re looking to beef up your S4 with larger tires, the most commonly mentioned size is P255/35ZR19. This size offers a wider footprint, which can enhance grip and stability.
- Benefits: Wider tires can provide better traction, especially in wet conditions, and improve cornering performance.
- Drawbacks: Larger tires can increase the risk of rubbing, especially if the suspension is lowered. They may also lead to a harsher ride and increased road noise.
- Owner Feedback: Many owners who have upgraded to larger tires report a noticeable improvement in handling and grip, but some have experienced a decrease in ride comfort.
Recommended Large Tire Brands
For those considering larger tires, here are some brands that have received high praise from fellow S4 owners:
- Goodyear Eagle F1 Asymmetric 3
- Bridgestone Potenza RE71R
- Continental SportContact 6
These tires are known for their performance in both dry and wet conditions, making them popular choices among enthusiasts.
Considerations When Changing Tire Sizes
Before you decide to change your tire size, keep these factors in mind:
- Clearance: Ensure there’s enough space in the wheel wells to accommodate wider tires without rubbing.
- Speedometer Calibration: Changing tire sizes can affect your speedometer accuracy. You may need to recalibrate it.
- Handling Characteristics: Different tire sizes will change how your car handles. Test drive before making a final decision.
Choosing the right tire size for your 2004 Audi S4 is crucial for maintaining its performance and safety. Whether you opt for smaller or larger tires, always consult with a tire professional to ensure compatibility with your vehicle’s specifications.