OEM wheel and tire fitment specs for the 2019 Audi A4, including bolt pattern (PCD), center bore diameter, thread size, rim diameter, rim width, wheel offset, and backspacing.
Recorded OEM specifications for the 2019 Audi A4, donor years with overlapping ranges, and a calculator to compare a selected wheel. Range overlap is not a guaranteed fit.
Multiple OEM configurations exist for this vehicle. Fitment can vary by trim, brakes, and factory wheel package – confirm your exact setup before buying.
Center-bore records disagree: year-level hub 66.6 mm vs trim range 66.5–66.5 mm. Interchange below does not treat this as an unqualified match.
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.
Donor vehicles with overlapping OEM specs
These are vehicle-year records whose recorded OEM ranges overlap this 2019 Audi A4. Overlap is not a guarantee that a specific wheel will install. Selected-wheel comparison is in the calculator below.
Evaluated 188 donor years. Listed 24 eligible overlaps (not all evaluated years are compatible). Showing all listed.
Wheel geometryOEM width/offset ranges overlap (not a specific wheel)
Center-bore records disagree (target year-level hub 66.6 mm vs trim range 66.5–66.5 mm). Unqualified overlap is not claimed until the conflict is resolved.
Compare a donor vehicle or custom wheel against this 2019 Audi A4. 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)
Selected Car:
Custom wheel size (optional)
Tip: change values here to simulate custom wheels and immediately see the impact in the comparison below.
Custom tire size (optional)
Installed on (your vehicle)
Selected Car:
2019 Audi A4
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.
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5x112
Center Bore
The hole in the center of the wheel that fits over the vehicle’s hub.
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66.5 mm
Thread Size
The size and spacing of the threads on the bolts or nuts that hold the wheel in place.
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M14 x 1.5
Rim Diameter
The wheel diameter in inches that determines which tire sizes will fit.
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17"
Rim Width
The distance between the inner edges of the wheel is measured in inches.
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7.0"
Wheel Offset
How far the wheel sits inward or outward relative to the hub mounting surface.
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42 mm
Backspacing
Shows how much space the wheel takes up toward the inside of the vehicle.
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-
Wheel Fasteners
The type of hardware used to secure the wheel to the vehicle.
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-
Compare Tires
Specification
Wheels from
Installed on
Result (Click it)
Section Width
The width of the tire from sidewall to sidewall, measured in millimeters.
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Aspect Ratio
The height of the tire’s sidewall expressed as a percentage of its width.
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Diameter
The wheel diameter for which the tire is designed to fit.
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Tire Pressure
The recommended air pressure for safe and efficient driving.
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Overall Diameter
The total height of the tire and wheel combined affects clearance and speedometer accuracy.
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Wheel Fitment Parts for the 2019 Audi A4
Example products matched to recorded thread, hub, or spacer dimensions. They are not verified fits. Confirm seat style, thickness, and clearance before ordering.
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Understanding Wheel Fitment for Your 2019 Audi A4
There's a common misconception that all wheels can be easily swapped between vehicles. You might think that if a wheel looks similar, it will fit. However, that’s not always the case, especially with a precise machine like the 2019 Audi A4.
Why Does It Seem True?
It’s easy to assume that visual similarities mean compatibility. Many DIY enthusiasts find themselves believing that if they can physically mount a wheel, it will function properly. After all, wheels come in various sizes and styles, and there are plenty of options available.
What Is True
The reality is that several specific measurements determine whether a wheel fits your Audi A4 correctly. For the 2019 model, here are the key 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: 40 mm
Backspacing: 5.57 inches
Tire section width: 225 mm
Tire aspect ratio: 50%
Tire rim diameter: 17 inches
These specifications are crucial for ensuring safety and performance. If you're unsure of any values, a reliable way to confirm fitment is by using an on-page calculator along with OEM sources.
Implications of Incorrect Fitment
Using incompatible wheels can lead to several issues. You could experience poor handling, increased tire wear, or even damage to your vehicle. In extreme cases, having the wrong fitment can present safety risks while driving. So, it’s essential to match the specifications closely.
Quick Tests for Compatibility
To ensure the wheels you're considering will fit your Audi A4, here are a few quick tests you can perform:
Check bolt pattern: Ensure it matches 5x112.
Measure the center bore: It should be 66.6 mm.
Verify thread size: Look for M14 x 1.5.
Confirm rim diameter and width: Should be 18 inches and 8.0 inches, respectively.
Calculate offset: Ideally, it should be around 40 mm.
If you’re making adjustments to your wheel size, the calculator on wheelinterchange.com can be a valuable tool for checking fitment with custom sizes.
Helpful Tools and Parts
Before you start your project, make sure you have the right tools. Here are some helpful links you might find useful:
With this knowledge, you should feel more confident about selecting the right wheels for your 2019 Audi A4. Remember, taking the time to ensure proper fitment will pay off in both safety and performance.
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
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.