OEM wheel and tire fitment specs for the 2021 Audi A7, including bolt pattern (PCD), center bore diameter, thread size, rim diameter, rim width, wheel offset, and backspacing.
Recorded OEM specifications for the 2021 Audi A7, 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.
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 2021 Audi A7. Overlap is not a guarantee that a specific wheel will install. Selected-wheel comparison is in the calculator below.
Evaluated 100 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)
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)
Center-bore records disagree (donor 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 -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)
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.
Wheel geometryOEM width/offset ranges overlap (not a specific wheel)
Approximate position vs the mid OEM package: outer change -4.18 mm, inner change -2.18 mm. This uses aggregated width/offset ranges, not a specific wheel.
Wheel geometryOEM width/offset ranges overlap (not a specific wheel)
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 A7 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 2021 Audi A7. 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:
2021 Audi A7
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.
-
5x112
Center Bore
The hole in the center of the wheel that fits over the vehicle’s hub.
-
66.5 mm
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
The wheel diameter in inches that determines which tire sizes will fit.
-
19"
Rim Width
The distance between the inner edges of the wheel is measured in inches.
-
8.5"
Wheel Offset
How far the wheel sits inward or outward relative to the hub mounting surface.
-
27 mm
Backspacing
Shows how much space the wheel takes up toward the inside of the vehicle.
-
-
Wheel Fasteners
The type of hardware used to secure the wheel to the vehicle.
-
-
Compare Tires
Specification
Wheels from
Installed on
Result (Click it)
Section Width
The width of the tire from sidewall to sidewall, measured in millimeters.
-
-
Aspect Ratio
The height of the tire’s sidewall expressed as a percentage of its width.
-
-
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.
-
-
Wheel Fitment Parts for the 2021 Audi A7
Example products matched to recorded thread, hub, or spacer dimensions. They are not verified fits. Confirm seat style, thickness, and clearance before ordering.
As an Amazon Associate we earn from qualifying purchases. Product availability and pricing may change.
Goal
Choose wheels and tires that safely fit a 2021 Audi A7, then validate changes using the on-page calculator on wheelinterchange.com. We will work from known OEM data, call out constraints, and walk through practical checks before you buy.
Known OEM fitment snapshot
The values below are provided for at least one 2021 Audi A7 configuration. Packages vary by trim. Treat non-matching items as a sign to confirm your exact setup on the vehicle tire placard and with OEM sources.
Parameter
Value
Notes
Bolt pattern
5x112
Five lugs on 112 mm PCD
Center bore
66.5 mm
Hub-centric size
Thread size
M14 x 1.5
Confirm bolt seat type per wheel
Rim diameter
18 in
Data shows 18 in rim
Rim width
8.0 in
Bead-to-bead width
Wheel offset
ET 26 mm
Positive offset
Backspacing
5.02 in
As provided
Tire size
245/45R19
This 19 in tire indicates another OEM package
Assumption: multiple factory packages existed in 2021. That explains the 18 in wheel entry alongside a 19 in tire entry. Validation on your vehicle is recommended before selecting parts.
Prerequisites
Check the driver door placard for your exact OEM wheel and tire size, load index, and speed rating.
Note your current wheel markings inside the rim barrel for size and offset.
Have candidate wheel and tire specs ready or a donor vehicle to compare.
Safety: jack stands, wheel chocks, and the factory jack kit if you test fit.
Step by step
1) Confirm your baseline
Record the tire size from the door placard and your current wheels. If your placard shows 19 in while your wheel shows 18 in or vice versa, you are seeing package variation. Use the placard as the primary reference.
Keep these fixed Audi values for 2021 A7 unless verified otherwise:
Bolt pattern 5x112
Center bore 66.5 mm
Thread size M14 x 1.5
2) Open the calculator on wheelinterchange.com
Set “Installed on” to 2021 Audi A7.
Use either:
“Wheels from” a donor vehicle you are considering, or
Enter “Custom wheel size” and “Custom tire size.”
Changing rim diameter updates tire diameter in the comparison. Watch the overall diameter change and the inner and outer clearance readouts.
3) Interpret the comparison
Inner clearance: Reduced inner clearance increases risk of contact with struts, spring perches, and liners.
Outer poke: Increased poke may approach the fender lip or bumper liner during compression and steering.
Offset trade-off: Higher positive offset tucks the wheel inward. Lower positive offset pushes it outward. Width increases split half inward and half outward before offset changes are applied.
Backspacing: The tool’s value reflects bead width and offset. Use it to gauge brake and knuckle clearance.
Tire diameter: Keep overall diameter close to your baseline to preserve speedometer behavior and suspension geometry.
4) Hardware and hub fit
Center bore: The A7 hub is 66.5 mm. Aftermarket wheels with a larger bore require hub-centric rings sized wheel bore to 66.5 mm.
Mounting hardware: Thread is M14x1.5. Bolt length and seat profile must match the wheel design. If seat type is unknown, confirm with the wheel manufacturer before installation.
Brake clearance: The calculator does not verify spoke-to-caliper shape. Ask for a brake clearance template or test fit.
5) Tire selection
Match load index to at least the placard value. Do not downgrade.
Speed rating should meet or exceed the placard unless your use case and local regulations allow otherwise.
Use the calculator to see section width effects on inner and outer clearances.
Validation
Use the calculator to compare your baseline to the candidate setup until clearances look safe within your constraints.
Measure the car: With wheels removed, use a straightedge on the hub face and a ruler to check available space to the strut and liners at full lock.
Test fit one wheel without the tire if possible. Verify hub seating, bolt engagement, and caliper clearance.
After installation, torque wheel bolts to the Audi service manual specification in a star pattern. Re-torque after the first short drive and again after 50 to 100 miles.
Road test at low speed. Listen for rubbing on turns and over bumps.
Troubleshooting
Vibration at speed:
Check that wheels are hub-centric to 66.5 mm using proper rings if the bore is larger.
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.
