OEM wheel and tire fitment specs for the 2021 Audi A5, including bolt pattern (PCD), center bore diameter, thread size, rim diameter, rim width, wheel offset, and backspacing.
Recorded OEM specifications for the 2021 Audi A5, 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 A5. Overlap is not a guarantee that a specific wheel will install. Selected-wheel comparison is in the calculator below.
Evaluated 103 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 -0.67 mm, inner change -5.68 mm. This uses aggregated width/offset ranges, not a specific wheel.
Lug thread is not fully recorded for this comparison. Hardware must match the 2021 Audi A5 studs and the selected wheel’s seat. Unknown hardware is not a match.
Bolt pattern data is incomplete for a full interchange decision.
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 -0.67 mm, inner change -5.68 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 -0.67 mm, inner change -5.68 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 -1.67 mm, inner change -4.68 mm. This uses aggregated width/offset ranges, not a specific wheel.
Audi A5 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 A5. 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 A5
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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7.5"
Wheel Offset
How far the wheel sits inward or outward relative to the hub mounting surface.
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29 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.
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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.
-
-
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 2021 Audi A5
Example products matched to recorded thread, hub, or spacer dimensions. They are not verified fits. Confirm seat style, thickness, and clearance before ordering.
Start with the problem: you have wheels to fit, but fitment must be
verified to prevent rubbing, vibration, or safety risks.
Confirm OEM facts on the car. Use the table above as your baseline.
If you have the owner manual, cross-check bolt pattern and thread
size there.
Inspect existing lug hardware and wheel seat. The thread size is
listed as M14 x 1.5. Determine whether the wheel uses bolts or
nuts, and which seat shape the wheel expects. This is an important
assumption to validate visually.
Use the on-page calculator. Enter the OEM values as the target
vehicle. Then enter the donor or custom wheel size. The calculator
compares overall diameter, track change, and clearance automatically.
Changing rim diameter updates tire diameter in the comparison.
Check center bore fit. OEM center bore is 66.5 mm. If aftermarket
wheels have a larger bore, use hub-centric rings sized to 66.5 mm
for a precise hub fit. If the bore is smaller, the wheel will not fit.
Verify offset and backspacing. OEM offset is ET29. If you change
offset, use the calculator to predict track width shift and fender
clearance. Small offsets can cause inner suspension or rubbing
issues.
Match thread size and seat. You must use lug bolts or nuts that
match M14 x 1.5. If the wheel seat type differs from the OEM,
obtain the correct seat hardware or adapters. Do not mix incompatible seats.
Check TPMS and valve stem location. Replace sensors if fitting
different wheels or run the correct aftermarket sensors.
Install wheels on stands and torque in the correct sequence to the
OEM torque spec. If you do not have the torque spec documented here,
locate it in the owner manual or verify with the dealer.
Test drive and re-torque. After 50 to 100 miles, re-check the lug
torque and inspect for abnormal noise or vibration.
Validation
Perform objective checks to validate the fitment. Use measurements
and the calculator rather than impressions alone.
Visual clearance: confirm no rubbing at full lock, over bumps and
at full suspension compression.
Centering: wheel mounts flush to hub. Use hub-centric rings if the
bore is larger than 66.5 mm.
Lug engagement: threads fully engage and seat properly. Confirm
that the applied lug torque does not bottom out or leave too few
engaged threads.
Speedometer and ABS: verify warnings are not present. Use the
calculator to estimate overall diameter change; confirm speedometer
tolerance with OEM recommendations.
Tire load rating and clearance: ensure the replacement tire matches
load and speed requirements for the vehicle trim. If this varies by
trim, confirm using the calculator and OEM sources.
Troubleshooting
Expect a few common issues. Address each methodically to restore
safe operation.
Rubbing at fender or suspension
The cause is usually offset or tire width change. Use the calculator
to confirm track change. Move to a slightly higher offset or a
narrower tire. Fender rolling or trimming is an option but introduces
constraints and trade-off considerations.
Vibration after fitting
Likely causes are unbalanced wheels, improper hub centring, or
lug hardware not seated. Re-balance the wheels, fit hub-centric
rings if needed, and confirm correct lug seat and torque.
Loose or damaged lug threads
If you find thread damage, stop installation. Replace the damaged
bolts or studs with correct M14 x 1.5 hardware. Verify replacement
parts with OEM sources.
TPMS or ABS warnings
Sensor incompatibility or different wheel electronics can trigger
warnings. Confirm sensor compatibility and program new sensors if
required.
Wrap up
Follow this stepwise procedure to move from uncertainty to validated
fitment. Use the on-page calculator to quantify changes, and confirm
any unknown values with OEM documentation.
Remember: the known OEM facts for a 2021 Audi A5 are listed above.
If a spec varies by trim, use the calculator and the dealer or
owner manual for final validation.
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.