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.

Recorded OEM specifications for the 2018 Audi A3, donor years with overlapping ranges, and a calculator to compare a selected wheel. Range overlap is not a guaranteed fit.

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2018 Audi A3 Fitment Specs

Baseline mounting dimensions used for interchange decisions.

Bolt Pattern5x112
Center Bore57.1 mm
Lug ThreadM14 x 1.5 View M14 x 1.5 options on Amazon
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.

Thread-only product links are shopping examples, not verified fits. Seat style is not confirmed here. As an Amazon Associate we earn from qualifying purchases.

Explore wheels at Tire Rack

Selected size: 17 × 7.5″ · ET +43

Showing matching bolt patterns and offsets up to 20 mm lower. Confirm center bore, load rating, and clearance at Tire Rack.

We may earn a commission when you buy through these links. Prices and availability may change.

Donor vehicles with overlapping OEM specs

These are vehicle-year records whose recorded OEM ranges overlap this 2018 Audi A3. Overlap is not a guarantee that a specific wheel will install. Selected-wheel comparison is in the calculator below.

Evaluated 134 donor years. Listed 24 eligible overlaps (not all evaluated years are compatible). Showing all listed.

2006–2013, 2015–2017, 2019–2020, 2022 Audi A3

OEM specs overlapOEM ranges overlap – confirm the specific wheel

Years grouped because recorded compatibility evidence is equivalent. Each year keeps its own page.

  • 2006
  • 2007
  • 2008
  • 2009
  • 2010
  • 2011
  • 2012
  • 2013
  • 2015
  • 2016
  • 2017
  • 2019
  • 2020
  • 2022
  • Bolt pattern5x112 · Same recorded PCD
  • Center bore57.1 mm · same recorded hub figure
  • Wheel geometryOEM width/offset ranges overlap (not a specific wheel)

Recorded OEM bolt pattern, center bore, and width/offset ranges overlap. This is not a guarantee that every wheel from the donor year fits this vehicle.

2023 Audi A3

Insufficient dataInsufficient or mixed data
  • Bolt pattern5x112 · Same recorded PCD
  • Center bore57.1 mm · same recorded hub figure
  • Wheel geometryNot fully recorded

Wheel width/offset data is incomplete.

1999–2006 Audi A4

OEM specs overlapOEM ranges overlap – confirm the specific wheel

Years grouped because recorded compatibility evidence is equivalent. Each year keeps its own page.

  • 1999
  • 2000
  • 2001
  • 2002
  • 2003
  • 2004
  • 2005
  • 2006
  • Bolt pattern5x112 · Same recorded PCD
  • Center bore57.1 mm · same recorded hub figure
  • Wheel geometryOEM width/offset ranges overlap (not a specific wheel)

Recorded OEM bolt pattern, center bore, and width/offset ranges overlap. This is not a guarantee that every wheel from the donor year fits this vehicle.

1999 Audi A6

OEM specs overlapOEM ranges overlap – confirm the specific wheel
  • Bolt pattern5x112 · Same recorded PCD
  • Center bore57.1 mm · same recorded hub figure
  • Wheel geometryOEM width/offset ranges overlap (not a specific wheel)

Recorded OEM bolt pattern, center bore, and width/offset ranges overlap. This is not a guarantee that every wheel from the donor year fits this vehicle.

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. Use Compare in calculator on a donor row above to fill the donor side of this same calculator.

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.
-
17"
Rim Width
Rim Width
The distance between the inner edges of the wheel is measured in inches.
-
7.5"
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

Example products matched to recorded thread, hub, or spacer dimensions. They are not verified fits. Confirm seat style, thickness, and clearance before ordering.

Lug Nuts / Wheel Bolts

M14 x 1.5

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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.

Methodology and sources

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

  • 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.

Nick Marchenko

Automotive Expert