2021 Audi S4 Wheel Size & Fitment Specs
Confirmed OEM mounting and wheel configurations for this model year. Multiple setups are listed separately — nothing is collapsed to a single arbitrary size.
- Bolt pattern5x112
- Center bore66.5 mm
- Thread sizeM14 x 1.5
- FastenerLug bolts
Open wheel fitment calculator → · Tire sizes →
3.0 TFSi quattro
| Position | Rim | Offset | Backspacing | Tire | Bore |
|---|---|---|---|---|---|
| Front / all | 8x18 | ET40 | 5.57" | 245/40R18 | 66.5 mm |
| Front / all | 8.5x19 | ET40 | 5.82" | 255/35R19 | 66.5 mm |
| Rear | 7.5x18 | ET39 | 5.29" | 225/45R18 | 66.5 mm |
Staggered / rear-specific sizes are listed separately from front.
S4 TDi quattro
| Position | Rim | Offset | Backspacing | Tire | Bore |
|---|---|---|---|---|---|
| Front / all | 8x18 | ET40 | 5.57" | 245/40R18 | 66.5 mm |
| Front / all | 8.5x19 | ET40 | 5.82" | 255/35R19 | 66.5 mm |
| Rear | 7.5x18 | ET39 | 5.29" | 225/45R18 | 66.5 mm |
Staggered / rear-specific sizes are listed separately from front.
3.0 TFSi quattro (3BA-8WCWGF)
| Position | Rim | Offset | Backspacing | Tire | Bore |
|---|---|---|---|---|---|
| Front / all | 8x18 | ET40 | 5.57" | 245/40R18 | 66.5 mm |
| Rear | 8.5x19 | ET40 | 5.82" | 245/35R19 | 66.5 mm |
Staggered / rear-specific sizes are listed separately from front.
Vehicles with potentially interchangeable wheels
Filtered by exact bolt pattern and physically compatible center bore — not a full fitment guarantee.
- 2022 Audi Q5
- 5x112 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 8"
- compare offset vs OEM ET40
- 2022 Audi RS 5
- 5x112 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 8"
- compare offset vs OEM ET40
- 2022 Audi RS Q8
- 5x112 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 8"
- compare offset vs OEM ET40
- 2022 Audi SQ5
- 5x112 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 8"
- compare offset vs OEM ET40
- 2022 Audi A4
- 5x112 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 8"
- compare offset vs OEM ET40
- 2022 Audi S5
- 5x112 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 8"
- compare offset vs OEM ET40
- 2022 Audi S8
- 5x112 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 8"
- compare offset vs OEM ET40
- 2022 Audi S6
- 5x112 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 8"
- compare offset vs OEM ET40
- 2022 Audi RS 7
- 5x112 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 8"
- compare offset vs OEM ET40
- 2022 BMW M4
- 5x112 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 8"
- compare offset vs OEM ET40
Hardware matching known specs
White Knight 3809XLBK-33AM Black M14x1.50 Lug Nuts
Thread matches catalog hardware
M14 x 1.5
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modelYearId=10705