2013 Audi S4 Wheel Interchange

OEM wheel/tire sizes and fitment specs for the 2013 Audi S4.

Understanding Wheel Fitment for Your 2013 Audi S4

So, you’re looking into wheel fitment for your 2013 Audi S4? You might be feeling a bit overwhelmed by all the specs and jargon out there. Let's clarify some common misconceptions and help you get a clear picture.

Misconception: All Wheels Fit All Cars

It’s easy to think that any wheel can fit your car as long as it looks good. But that's not the case at all. Each vehicle has specific requirements for its wheels.

Why It Seems True

Many people assume that a wheel's appearance is the only factor that matters. After all, if the bolt pattern seems right, why wouldn’t it fit? It's a common scenario where visual appeal overshadows the technical details.

What Is True

For your 2013 Audi S4, there are specific measurements you need to consider. Here’s a quick recap of the OEM specifications:

  • Bolt pattern: 5x112
  • Center bore: 66.6 mm
  • Thread size: M14 x 1.5
  • Rim diameter: 18 inches
  • Rim width: 8.0 inches
  • Wheel offset: 47 mm
  • Backspacing: 5.85 inches
  • Tire section width: 245 mm
  • Tire aspect ratio: 40%
  • Tire rim diameter: 18 inches

These specs are crucial for ensuring that your wheels fit properly and safely on your vehicle.

Implications

Using wheels that don’t match these specifications can lead to various issues. You might face problems with handling, safety, or even tire wear. It’s important to stick to the recommended fitment for optimal performance.

Quick Tests to Confirm Fitment

Want to double-check your options? Here are a few quick tests you can perform:

  • Use the wheel fitment calculator on our site to compare different wheels.
  • Check the OEM specifications from reliable sources or your vehicle’s manual.
  • Look for similar models or trims that might have different specs and see how they compare.

Need Tools or Parts?

If you're thinking about upgrading or changing your wheels, here are some useful tools and parts you might need:

Don't hesitate to reach out if you have more questions! Understanding wheel fitment is a step toward ensuring your S4 performs its best.

Select Cars for Wheel Swap

Compare wheel compatibility between two vehicles

Wheels from (donor vehicle)

Installed on (your vehicle)

Selected Car:

Audi S4 2013

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.
-
8.0"
Wheel Offset
Wheel Offset
How far the wheel sits inward or outward relative to the hub mounting surface.
-
47mm
Backspacing
Backspacing
Shows how much space the wheel takes up toward the inside of the vehicle.
-
5.85"
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.
-
2.5 BAR / 36.3 PSI
Overall Diameter
The total height of the tire and wheel combined affects clearance and speedometer accuracy.
-
25.72" (653.2 mm)