2015 Audi R8 Wheel Interchange

OEM wheel/tire sizes and fitment specs for the 2015 Audi R8.

Understanding Wheel Fitment for Your 2015 Audi R8

When it comes to upgrading or replacing wheels on your 2015 Audi R8, there are a lot of misconceptions floating around. One common belief is that any wheel will fit as long as it has the same bolt pattern. Let's clear this up step by step.

Misconception: Any Wheel with the Same Bolt Pattern Will Fit

This sounds logical, right? If the bolt pattern is 5x112, then all wheels with that pattern should fit. But there's more to it than just the bolt pattern.

Why It Seems True

The reasoning here is straightforward: matching bolt patterns seems like the main requirement for wheel fitment. If a wheel has the same number of bolts and spacing, why wouldn’t it fit? However, this perspective overlooks several other critical factors.

What Is True

In reality, there are other specifications that play a vital role in ensuring a proper wheel fit. For your 2015 Audi R8, here are the crucial details:

Bolt Pattern: 5x112
Center Bore: 57.1 mm
Thread Size: M14 x 1.5
Rim Diameter: 19 inches
Rim Width: 8.5 inches
Wheel Offset: 42 mm
Backspacing: 5.9 inches
Tire Section Width: 235 mm
Tire Aspect Ratio: 35%
Tire Rim Diameter: 19 inches

Each of these specifications must align with your new wheels for them to fit correctly and safely.

Implications

Choosing the wrong wheel can lead to a host of issues, from poor handling to increased wear on your suspension. It’s crucial to ensure that not just the bolt pattern, but also the center bore and offset are compatible. If they don’t match, you could face problems.

Quick Tests

To help you navigate wheel fitment, here are some quick tests:

Check bolt pattern: Ensure it matches 5x112.
Verify center bore: Measure or confirm that it is 57.1 mm.
Look at the offset: Make sure it's around 42 mm.
Use the wheel fitment calculator on wheelinterchange.com to compare different wheel sizes and tire fitments.

If you’re still unsure, consider consulting OEM sources or professional fitment experts.

Additional Resources

For tools and parts to help with your wheel fitment projects, check out these links:

Select Cars for Wheel Swap

Compare wheel compatibility between two vehicles

Wheels from (donor vehicle)

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Installed on (your vehicle)

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Audi R8 2015

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Compare Rims

Specification

Wheels from

Installed on

Result (Click it)

Bolt Pattern

The total number of bolt holes and the diameter of the circle they form.

5x4.41 / 5x112

Center Bore

The hole in the center of the wheel that fits over the vehicle’s hub.

57.1mm

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

The wheel diameter in inches that determines which tire sizes will fit.

19"

Rim Width

The distance between the inner edges of the wheel is measured in inches.

8.5"

Wheel Offset

How far the wheel sits inward or outward relative to the hub mounting surface.

42mm

Backspacing

Shows how much space the wheel takes up toward the inside of the vehicle.

5.9"

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.

235 mm

Aspect Ratio

The height of the tire’s sidewall expressed as a percentage of its width.

35%

Diameter

The wheel diameter for which the tire is designed to fit.

R19

Tire Pressure

The recommended air pressure for safe and efficient driving.

2.7 BAR / 39.2 PSI

Overall Diameter

The total height of the tire and wheel combined affects clearance and speedometer accuracy.

25.48" (647.1 mm)