2021 Audi A7 Bolt Pattern & Tire Size
The 2021 Audi A7 OEM tire size, bolt pattern, and wheel specifications are listed below. All data is based on industry-standard OEM reference specifications.
The 2021 Audi A7 has a 5x112 bolt pattern, an OEM tire size of 255/40R20, and a 66.5mm center bore.
Other years of the Audi A7
2021 Audi A7 Engine & Trim Levels
Detailed tire and wheel breakdown for the 2021 Audi A7
Tire geometry â 255/40R20
The 255/40R20 fitted to the 2021 Audi A7 has a section width of 255mm and an aspect ratio of 40%, mounted on a 20-inch rim. That gives a sidewall height of 102.0mm (4.02") and an overall outside diameter of 712.0mm (28.03"). At highway speed this tire completes roughly 447 revolutions per kilometre, which is what your speedometer and odometer are calibrated against.
Plus-sizing window
If you want to upsize wheels on the 2021 Audi A7 while keeping the speedometer accurate, target a 265/34R21 (plus-one). For a softer ride or winter setup, a 245/47R19 (minus-one) keeps the overall diameter within Âą3% of stock, which is the industry tolerance for ABS and stability control to stay calibrated.
Wheel fitment specs
The 2021 Audi A7 uses a 5x112 bolt pattern with a 66.5mm hub bore. Safe rim width range for the OEM tire is 8.0J â 9.0J, and offsets in the ET25 â ET35 window will clear suspension and fender without rubbing on most setups.
Tire pressure guidance
Manufacturer-recommended cold tire pressure for the 2021 Audi A7 is printed on the driver-side door jamb sticker â always defer to that value, not to the maximum pressure printed on the tire sidewall. Check pressure monthly and before long trips; under-inflation by 20% can reduce tread life by 25%.
OEM Wheel & Tire Specs
| Engine & Trim | Tire Size | Rim Size | Offset (ET) | |
|---|---|---|---|---|
| 50 TDI / 55 TFSI S-Line | 20x8.5J | ET30 |
Frequently Asked Questions
What tire size does the 2021 Audi A7 50 TDI / 55 TFSI S-Line use?
The 2021 Audi A7 50 TDI / 55 TFSI S-Line uses 255/40R20 tires as standard equipment.
What is the bolt pattern of the 2021 Audi A7?
The 2021 Audi A7 has a 5x112 bolt pattern with a center bore of 66.5mm.
What is the wheel offset of the 2021 Audi A7?
The 2021 Audi A7 has a wheel offset of ET30.
Other Vehicles with 5x112 Bolt Pattern
The following vehicles share the same 5x112 bolt pattern as the 2021 Audi A7, making wheel interchangeability possible (verify offset and center bore before swapping).