2018 Audi Q7 Tire Sizes, Tire Pressure, Bolt Pattern: Everything You Need to Know

The tire size of your 2018 Audi Q7 plays a significant role in its overall performance, including handling, traction, and comfort. It’s essential to choose the right tire size to maintain the vehicle’s stability and ensure a smooth driving experience.

The recommended tire size for the 2018 Audi Q7 is 255/55R19. This alphanumeric code represents specific characteristics of the tire, such as width, aspect ratio, construction type, wheel diameter, and load index.

Factors to Consider for Tire Sizes

When considering different tire sizes for your 2018 Audi Q7, it’s important to take several factors into account:

  1. Handling and Performance: Smaller tire sizes often provide better handling and responsiveness, while larger sizes can enhance stability. Consider your driving style and the type of performance you desire from your vehicle.
  2. Ride Comfort: Larger tire sizes typically offer a more comfortable ride due to increased sidewall height. However, keep in mind that comfort may come at the expense of handling and performance.
  3. Fuel Efficiency: Smaller tire sizes generally result in better fuel efficiency, as they offer less rolling resistance. If fuel economy is a priority, you may want to opt for a smaller tire size.
  4. Aesthetics: Tire sizes can significantly impact the appearance of your vehicle. Some drivers prefer larger sizes for a more aggressive and sporty look, while others prioritize a more understated and elegant aesthetic.

Tire Sizes for the 2018 Audi Q7

Having the correct tire size is essential for your Audi Q7’s performance and safety. Here are the recommended tire sizes for the 2018 Audi Q7:

Trim Level Tire Size
Premium 255/55 R19
Premium Plus 255/55 R19
Prestige 285/45 R20

As you can see, the tire size may vary depending on the trim level of your Audi Q7. It’s crucial to choose the appropriate tire size to ensure optimal performance and compatibility with your vehicle.

Tire Pressure for the 2018 Audi Q7

Maintaining the correct tire pressure is vital for various reasons, including safety, handling, and fuel efficiency. Here are the recommended tire pressures for the 2018 Audi Q7:

  • Front Tires: 35 PSI (pounds per square inch)
  • Rear Tires: 35 PSI (pounds per square inch)

It’s essential to check your tire pressure regularly and adjust it as needed to ensure a smooth and safe driving experience. Remember, proper tire pressure not only enhances performance but also extends the lifespan of your tires.

Maintaining the proper tire pressure is vital for safety, tire longevity, and optimal performance of your 2018 Audi Q7. Incorrect tire pressure can lead to reduced traction, poor handling, and increased risk of accidents. It’s crucial to adhere to the manufacturer’s recommendations for tire pressure.

The recommended tire pressure for the 2018 Audi Q7 is typically 33 psi for the front tires and 35 psi for the rear tires. However, it’s important to note that these values can vary depending on factors such as load, driving conditions, and ambient temperature. It’s advisable to refer to the owner’s manual or the tire information placard located on the driver’s side door jamb for precise recommendations.

Importance of Proper Tire Pressure

Maintaining the correct tire pressure offers several benefits:

  1. Safety: Adequate tire pressure ensures optimal traction, reducing the risk of accidents, especially during emergency maneuvers.
  2. Tire Longevity: Properly inflated tires wear evenly, extending their lifespan and maximizing your investment.
  3. Fuel Efficiency: Underinflated tires increase rolling resistance, leading to decreased fuel efficiency. By maintaining the recommended tire pressure, you can enhance your vehicle’s fuel economy.
  4. Ride Comfort: Properly inflated tires provide a smoother and more comfortable ride, minimizing vibrations and road noise.

Bolt Pattern Information

The bolt pattern of your 2018 Audi Q7 refers to the arrangement of the lug bolts that attach the wheels to the vehicle. Understanding the bolt pattern is essential when purchasing new wheels to ensure a proper fit.

The bolt pattern for the 2018 Audi Q7 is 5×112, meaning there are five lug bolts, and they are spaced 112 millimeters apart from one another in a circular pattern. It’s crucial to match the bolt pattern of any new wheels you consider purchasing to ensure compatibility and safety.

Finding the Right Wheels

When selecting new wheels for your 2018 Audi Q7, it’s important to consider the following:

  1. Size Compatibility: Ensure that the wheels you choose are compatible with the recommended tire size for your vehicle.
  2. Load Capacity: Verify that the new wheels have an adequate load capacity to support the weight of your Audi Q7.
  3. Aesthetic Appeal: Consider the design and finish of the wheels to enhance the overall appearance of your vehicle.


1. What are the consequences of using the wrong tire size?

Using the wrong tire size can negatively impact your vehicle’s performance and safety. It may lead to inaccurate speedometer readings, compromised handling, decreased fuel efficiency, and increased risk of tire damage.

2. Can I use a different tire size for winter driving?

While it’s possible to use a different tire size for winter driving, it’s essential to choose a size that maintains the overall diameter and circumference of the original tires. This ensures accurate speedometer readings and prevents potential damage to the vehicle’s drivetrain.

3. How often should I check my tire pressure?

It’s advisable to check your tire pressure at least once a month and before long trips. Additionally, monitor the pressure if you notice any changes in handling, tire wear, or ride comfort.

4. Can I use a tire with a higher load index than recommended?

Using a tire with a higher load index is generally acceptable, as it indicates the tire’s maximum load-carrying capacity. However, it’s crucial not to exceed the vehicle’s maximum load capacity specified by the manufacturer.

5. Are there any advantages to using aftermarket wheels?

Aftermarket wheels can offer various advantages, such as enhanced aesthetics, customization options, and potentially lighter weight. However, it’s crucial to choose reputable brands and ensure proper fitment to maintain safety and performance.

6. How often should I rotate my tires?

To promote even wear and prolong tire life, it’s recommended to rotate your tires every 5,000 to 7,500 miles or as advised by the manufacturer.

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