2008 Audi S5 Wheel Interchange

OEM wheel/tire sizes and fitment specs for the 2008 Audi S5.

Understanding Wheel Fitment for Your 2008 Audi S5

When it comes to upgrading or replacing wheels on your 2008 Audi S5, there are some common misconceptions to clear up. Many DIY owners and technicians find themselves confused about what wheels will fit their vehicle. Let’s dive in and clarify this step by step.

Misconception: Any 5x112 Wheel Will Fit

It's easy to assume that if a wheel has the same bolt pattern, it will fit your Audi S5. After all, the bolt pattern for the S5 is 5x112, which is common among several vehicles. However, there's much more to consider.

Why It Seems True

This belief stems from the idea that matching bolt patterns is the main requirement for fitting wheels. Many enthusiasts see a wheel with the same bolt pattern and think they can just install it. While the bolt pattern is crucial, it’s only part of the equation.

What Is True

In addition to the 5x112 bolt pattern, your S5 has specific requirements for center bore, offset, and other dimensions. The center bore is 66.6 mm, and the wheel offset is 29 mm. These factors ensure the wheels sit properly on your vehicle, maintaining safety and performance.

Implications

Choosing wheels that don’t meet these specifications can lead to issues like improper fitment, handling problems, or even safety risks. It’s essential to verify all measurements before making a purchase. Think of it as a puzzle–every piece needs to fit just right.

Quick Tests

Here are a few quick tests you can perform to ensure your wheels will fit:

  • Check the bolt pattern: Make sure it’s 5x112.
  • Measure the center bore: It should be 66.6 mm.
  • Verify the offset: Look for a wheel with an offset close to 29 mm.
  • Use our wheel fitment calculator to compare donor vehicle wheels against your S5.

Additional Resources

If you're looking for tools or parts to help with your wheel fitment projects, check out these links:

By understanding the complete picture of wheel fitment for your 2008 Audi S5, you'll be better equipped to make informed choices. Clear up any confusion you have, and you’ll be well on your way to enhancing your vehicle.

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Compare wheel compatibility between two vehicles

Wheels from (donor vehicle)

Installed on (your vehicle)

Selected Car:

Audi S5 2008

Compare Rims

Specification
Wheels from
Installed on
Result (Click it)
Bolt Pattern
Bolt Pattern
The total number of bolt holes and the diameter of the circle they form.
-
5x4.41 / 5x112
Center Bore
Center Bore
The hole in the center of the wheel that fits over the vehicle’s hub.
-
66.5mm
Thread Size
Thread Size
The size and spacing of the threads on the bolts or nuts that hold the wheel in place.
-
M14 x 1.5
Rim Diameter
Rim Diameter
The wheel diameter in inches that determines which tire sizes will fit.
-
18"
Rim Width
Rim Width
The distance between the inner edges of the wheel is measured in inches.
-
8.5"
Wheel Offset
Wheel Offset
How far the wheel sits inward or outward relative to the hub mounting surface.
-
29mm
Backspacing
Backspacing
Shows how much space the wheel takes up toward the inside of the vehicle.
-
5.39"
Wheel Fasteners
Wheel Fasteners
The type of hardware used to secure the wheel to the vehicle.
-
Lug bolts

Compare Tires

Specification
Wheels from
Installed on
Result (Click it)
Section Width
The width of the tire from sidewall to sidewall, measured in millimeters.
-
245 mm
Aspect Ratio
The height of the tire’s sidewall expressed as a percentage of its width.
-
40%
Diameter
The wheel diameter for which the tire is designed to fit.
-
R18
Tire Pressure
The recommended air pressure for safe and efficient driving.
-
2.6 BAR / 37.7 PSI
Overall Diameter
The total height of the tire and wheel combined affects clearance and speedometer accuracy.
-
25.72" (653.2 mm)