2018 Audi A3 Wheel Interchange

OEM wheel and tire fitment specs for the 2018 Audi A3, including bolt pattern (PCD), center bore diameter, thread size, rim diameter, rim width, wheel offset, and backspacing.

2018 Audi A3 Fitment Specs

Baseline mounting dimensions used for interchange decisions.

Bolt Pattern5x112
Center Bore57.1 mm
Lug ThreadM14 x 1.5
OEM Wheel Sizes16" – 19"
OEM Widths6" – 8"
OEM Offset Range40 mm – 51 mm

Multiple OEM configurations exist for this vehicle. Fitment can vary by trim, brakes, and factory wheel package – confirm your exact setup before buying.

Wheels That Interchange With a 2018 Audi A3

Results are evaluated from bolt pattern, center bore direction, OEM width/offset envelope, and lug hardware – not bolt pattern alone.

Direct Fit

2017 Audi A3

Direct Fit
  • Bolt pattern5x112 · Match
  • Center bore57.1 mm · Match
  • Wheel geometryCompatible with OEM envelope

Mounting dimensions align with known OEM fitment for this vehicle.

2019 Audi A3

Direct Fit
  • Bolt pattern5x112 · Match
  • Center bore57.1 mm · Match
  • Wheel geometryCompatible with OEM envelope

Mounting dimensions align with known OEM fitment for this vehicle.

2016 Audi A3

Direct Fit
  • Bolt pattern5x112 · Match
  • Center bore57.1 mm · Match
  • Wheel geometryCompatible with OEM envelope

Mounting dimensions align with known OEM fitment for this vehicle.

2020 Audi A3

Direct Fit
  • Bolt pattern5x112 · Match
  • Center bore57.1 mm · Match
  • Wheel geometryCompatible with OEM envelope

Mounting dimensions align with known OEM fitment for this vehicle.

2015 Audi A3

Direct Fit
  • Bolt pattern5x112 · Match
  • Center bore57.1 mm · Match
  • Wheel geometryCompatible with OEM envelope

Mounting dimensions align with known OEM fitment for this vehicle.

2022 Audi A3

Direct Fit
  • Bolt pattern5x112 · Match
  • Center bore57.1 mm · Match
  • Wheel geometryCompatible with OEM envelope

Mounting dimensions align with known OEM fitment for this vehicle.

2013 Audi A3

Direct Fit
  • Bolt pattern5x112 · Match
  • Center bore57.1 mm · Match
  • Wheel geometryCompatible with OEM envelope

Mounting dimensions align with known OEM fitment for this vehicle.

2012 Audi A3

Direct Fit
  • Bolt pattern5x112 · Match
  • Center bore57.1 mm · Match
  • Wheel geometryCompatible with OEM envelope

Mounting dimensions align with known OEM fitment for this vehicle.

2011 Audi A3

Direct Fit
  • Bolt pattern5x112 · Match
  • Center bore57.1 mm · Match
  • Wheel geometryCompatible with OEM envelope

Mounting dimensions align with known OEM fitment for this vehicle.

2010 Audi A3

Direct Fit
  • Bolt pattern5x112 · Match
  • Center bore57.1 mm · Match
  • Wheel geometryCompatible with OEM envelope

Mounting dimensions align with known OEM fitment for this vehicle.

2009 Audi A3

Direct Fit
  • Bolt pattern5x112 · Match
  • Center bore57.1 mm · Match
  • Wheel geometryCompatible with OEM envelope

Mounting dimensions align with known OEM fitment for this vehicle.

2008 Audi A3

Direct Fit
  • Bolt pattern5x112 · Match
  • Center bore57.1 mm · Match
  • Wheel geometryCompatible with OEM envelope

Mounting dimensions align with known OEM fitment for this vehicle.

2007 Audi A3

Direct Fit
  • Bolt pattern5x112 · Match
  • Center bore57.1 mm · Match
  • Wheel geometryCompatible with OEM envelope

Mounting dimensions align with known OEM fitment for this vehicle.

2006 Audi A3

Direct Fit
  • Bolt pattern5x112 · Match
  • Center bore57.1 mm · Match
  • Wheel geometryCompatible with OEM envelope

Mounting dimensions align with known OEM fitment for this vehicle.

1999 Audi A4

Direct Fit
  • Bolt pattern5x112 · Match
  • Center bore57.1 mm · Match
  • Wheel geometryCompatible with OEM envelope

Mounting dimensions align with known OEM fitment for this vehicle.

2000 Audi A4

Direct Fit
  • Bolt pattern5x112 · Match
  • Center bore57.1 mm · Match
  • Wheel geometryCompatible with OEM envelope

Mounting dimensions align with known OEM fitment for this vehicle.

2001 Audi A4

Direct Fit
  • Bolt pattern5x112 · Match
  • Center bore57.1 mm · Match
  • Wheel geometryCompatible with OEM envelope

Mounting dimensions align with known OEM fitment for this vehicle.

2002 Audi A4

Direct Fit
  • Bolt pattern5x112 · Match
  • Center bore57.1 mm · Match
  • Wheel geometryCompatible with OEM envelope

Mounting dimensions align with known OEM fitment for this vehicle.

2003 Audi A4

Direct Fit
  • Bolt pattern5x112 · Match
  • Center bore57.1 mm · Match
  • Wheel geometryCompatible with OEM envelope

Mounting dimensions align with known OEM fitment for this vehicle.

2004 Audi A4

Direct Fit
  • Bolt pattern5x112 · Match
  • Center bore57.1 mm · Match
  • Wheel geometryCompatible with OEM envelope

Mounting dimensions align with known OEM fitment for this vehicle.

2005 Audi A4

Direct Fit
  • Bolt pattern5x112 · Match
  • Center bore57.1 mm · Match
  • Wheel geometryCompatible with OEM envelope

Mounting dimensions align with known OEM fitment for this vehicle.

2006 Audi A4

Direct Fit
  • Bolt pattern5x112 · Match
  • Center bore57.1 mm · Match
  • Wheel geometryCompatible with OEM envelope

Mounting dimensions align with known OEM fitment for this vehicle.

1999 Audi A6

Direct Fit
  • Bolt pattern5x112 · Match
  • Center bore57.1 mm · Match
  • Wheel geometryCompatible with OEM envelope

Mounting dimensions align with known OEM fitment for this vehicle.

Check Fitment

2023 Audi A3

Check Fitment
  • Bolt pattern5x112 · Match
  • Center bore57.1 mm · Match
  • Wheel geometryNot fully verified

Wheel width/offset data is incomplete.

Showing 24 of 134 evaluated donors. Same-model years are prioritized.

Audi A3 Years With Compatible Wheels

Only years with evidence-based interchange relationships are listed. Adjacent years are not assumed compatible.

Will Wheels From Another Vehicle Fit?

Compare a donor vehicle or custom wheel against this 2018 Audi A3.

Compare

Compare wheel compatibility between two vehicles

Wheels from (donor vehicle)

Installed on (your vehicle)

Selected Car:

2018 Audi A3

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.
-
5x112
Center Bore
Center Bore
The hole in the center of the wheel that fits over the vehicle’s hub.
-
57.1 mm
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.
-
16"
Rim Width
Rim Width
The distance between the inner edges of the wheel is measured in inches.
-
6.5"
Wheel Offset
Wheel Offset
How far the wheel sits inward or outward relative to the hub mounting surface.
-
43 mm
Backspacing
Backspacing
Shows how much space the wheel takes up toward the inside of the vehicle.
-
-
Wheel Fasteners
Wheel Fasteners
The type of hardware used to secure the wheel to the vehicle.
-
-

Wheel Fitment Parts for the 2018 Audi A3

Products below are matched to required fitment dimensions from our parts inventory. Confirm seat style, thickness, and clearance before ordering.

Lug Nuts / Wheel Bolts

M14 x 1.5

Wheel Adapters

5x112 · 57.1 mm hub

Directional bolt-pattern adapters. A spacer does not change PCD.

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Why These Wheels Fit

Wheel interchange depends on more than bolt pattern. Where data is available, this site compares:

  • Bolt pattern / PCD
  • Center bore direction (donor wheel bore must not be smaller than the hub)
  • Wheel diameter, width, and offset against known OEM ranges
  • Lug thread / hardware differences (vehicle-side hardware)

A normal wheel spacer does not change bolt pattern. Hub rings cannot enlarge a wheel bore that is smaller than the hub. Brake clearance and tire package fitment still require vehicle-specific checks when not confirmed in the dataset.

Understanding Wheel Fitment for Your 2018 Audi A3

When it comes to upgrading or replacing wheels on your 2018 Audi A3, a common misconception is that any wheel with the same bolt pattern will fit. It seems true because many people focus solely on the number of bolts rather than the full fitment specifications. However, this isn't the complete picture.

Why This Misconception Exists

The idea that "5x112" means a wheel will fit your Audi A3 often leads to confusion. Since many vehicles share this bolt pattern, it creates an assumption that they are interchangeable. Plus, the visual appeal of a wheel can sometimes overshadow the need for precise specifications.

What is True

While the bolt pattern is essential, there are several other critical factors to consider. For your 2018 Audi A3, the OEM fitment specifications include:

  • Center Bore: 57.1 mm
  • Thread Size: M14 x 1.5
  • Rim Diameter: 16 inches
  • Rim Width: 6.5 inches
  • Wheel Offset: 43 mm
  • Backspacing: 4.94 inches
  • Tire Section Width: 225 mm
  • Tire Aspect Ratio: 45%
  • Tire Rim Diameter: 17 inches

Each of these specifications affects how the wheel interacts with your vehicle, ensuring safety and performance.

Implications of Incorrect Fitment

Using wheels that do not match all specifications can lead to various issues, including poor handling, increased tire wear, and even damage to your vehicle's suspension system. It's vital to understand that even a small deviation in offset or backspacing can significantly impact your ride.

Quick Tests to Ensure Proper Fitment

To confirm that your chosen wheels will fit properly, here are a few quick tests:

  • Use the wheel fitment calculator to compare the specifications of the wheels you're considering against your Audi A3.
  • Check the OEM specifications for your model year to ensure all measurements align.
  • Look for reviews or forums discussing wheel fitment for the Audi A3 to gather real-world experiences.

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

In summary, while the bolt pattern is a key component of wheel fitment, it's essential to consider all specifications to ensure a safe and effective upgrade for your 2018 Audi A3. By following these guidelines, you can navigate the wheel selection process with confidence.

Nick Marchenko

Automotive Expert