OEM wheel and tire fitment specs for the 2015 Audi A6, including bolt pattern (PCD), center bore diameter, thread size, rim diameter, rim width, wheel offset, and backspacing.
Recorded OEM specifications for the 2015 Audi A6, 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 2015 Audi A6. 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; donor year-level hub 66.6 mm vs trim range 57.1–66.5 mm). Unqualified overlap is not claimed until the conflict is resolved. Approximate position vs the mid OEM package: outer change -1.17 mm, inner change -5.18 mm. This uses aggregated width/offset ranges, not a specific wheel.
Wheel geometryOEM width/offset ranges overlap (not a specific wheel)
Dataset suggestionHub-centric rings ≈ 66.6 → 66.5 mm – not a verified installation requirement.
Hub-centric rings of about 66.6 → 66.5 mm mm may be relevant if the wheel bore is larger than the hub; they cannot enlarge a smaller bore. Approximate position vs the mid OEM package: outer change -0.17 mm, inner change -6.18 mm. This uses aggregated width/offset ranges, not a specific wheel.
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. Approximate position vs the mid OEM package: outer change -3.18 mm, inner change -3.18 mm. This uses aggregated width/offset ranges, not a specific wheel.
Audi A6 Years With Compatible Wheels
Only years with evidence-based interchange relationships are listed. Adjacent years are not assumed compatible.
Compare a donor vehicle or custom wheel against this 2015 Audi A6. 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:
2015 Audi A6
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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18"
Rim Width
The distance between the inner edges of the wheel is measured in inches.
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8.0"
Wheel Offset
How far the wheel sits inward or outward relative to the hub mounting surface.
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39 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 2015 Audi A6
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 2015 Audi A6
There’s a common misconception that finding the right wheels for your 2015 Audi A6 is as simple as picking any set that looks good. Many DIY owners and technicians think, “If it fits, it’s good to go!” But let's clarify that.
Why It Seems True
With so many stylish wheels available, it can be tempting to choose based on appearance alone. After all, many wheels might physically attach to your car. However, fitment isn’t just about getting the bolts to line up. It’s about safety, performance, and ensuring everything operates smoothly.
What Is True
The reality is that each vehicle has specific fitment requirements. For the 2015 Audi A6, the known OEM fitment specifications are:
Bolt pattern: 5x112
Center bore: 66.6 mm
Thread size: M14 x 1.5
Rim diameter: 19 inches
Rim width: 8.5 inches
Wheel offset: 45 mm
Backspacing: 6.02 inches
Tire section width: 245 mm
Tire aspect ratio: 45%
Tire rim diameter: 18 inches
These specs are crucial for proper fitment and performance. If you stray too far from these numbers, you might face issues like poor handling, brake interference, or even tire blowouts.
Implications
Understanding these specifications helps you make informed choices. For instance, if you want to upgrade to a different rim size or style, using the OEM fitment as a guideline ensures you maintain safety and performance. You can also use the on-page calculator to compare wheels from donor vehicles or adjust custom sizes while keeping an eye on these critical measurements.
Quick Tests
To verify if your wheels are a good fit, here are a few quick tests:
Check the bolt pattern: Make sure it matches 5x112.
Measure the center bore: Confirm it's 66.6 mm for proper hub centricity.
Look at the offset: Ensure it stays close to 45 mm to avoid clearance issues.
Test the width and diameter: Stick to an 8.5-inch width and 19-inch diameter for best results.
If you’re unsure about the right fitment, don't hesitate to consult OEM sources or use the on-page calculator for precise adjustments.
For tools or parts to help with your Audi A6 wheel fitment, check out these options on Amazon:
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.
