2021 Audi A4 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 →

40 TFSi Quattro

Position	Rim	Offset	Backspacing	Tire	Bore
Front / all	7x17	ET42	5.15"	225/50R17	66.5 mm
Front / all	7.5x17	ET38	5.25"	225/50R17	66.5 mm
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.

45 TFSi Quattro

Position	Rim	Offset	Backspacing	Tire	Bore
Front / all	7x17	ET42	5.15"	225/50R17	66.5 mm
Front / all	7.5x17	ET38	5.25"	225/50R17	66.5 mm
Front / all	8x18	ET40	5.57"	245/40R18	66.5 mm
Front / all	7.5x17	ET38	5.25"	225/50R17	66.5 mm
Front / all	8x18	ET40	5.57"	245/40R18	66.5 mm
Front / all	7x17	ET42	5.15"	225/50R17	66.5 mm
Front / all	8.5x20	ET40	5.82"	245/30R20	66.5 mm
Rear	8.5x19	ET40	5.82"	245/35R19	66.5 mm
Rear	7.5x18	ET39	5.29"	225/45R18	66.5 mm
Rear	8.5x19	ET40	5.82"	245/35R19	66.5 mm

Staggered / rear-specific sizes are listed separately from front.

30 TDi

Position	Rim	Offset	Backspacing	Tire	Bore
Front / all	7x16	ET35	4.88"	205/60R16	66.5 mm
Front / all	7.5x17	ET38	5.25"	225/50R17	66.5 mm
Front / all	7x17	ET42	5.15"	225/50R17	66.5 mm
Front / all	8x18	ET40	5.57"	245/40R18	66.5 mm
Rear	7.5x18	ET39	5.29"	225/45R18	66.5 mm
Rear	8.5x19	ET40	5.82"	245/35R19	66.5 mm

Staggered / rear-specific sizes are listed separately from front.

35 TDi

Position	Rim	Offset	Backspacing	Tire	Bore
Front / all	7x16	ET35	4.88"	205/60R16	66.5 mm
Front / all	7.5x17	ET38	5.25"	225/50R17	66.5 mm
Front / all	7x17	ET42	5.15"	225/50R17	66.5 mm
Front / all	8x18	ET40	5.57"	245/40R18	66.5 mm
Rear	7.5x18	ET39	5.29"	225/45R18	66.5 mm
Rear	8.5x19	ET40	5.82"	245/35R19	66.5 mm

Staggered / rear-specific sizes are listed separately from front.

35 TFSi

Position	Rim	Offset	Backspacing	Tire	Bore
Front / all	7x16	ET35	4.88"	205/60R16	66.5 mm
Front / all	7.5x17	ET38	5.25"	225/50R17	66.5 mm
Front / all	7x17	ET42	5.15"	225/50R17	66.5 mm
Front / all	8x18	ET40	5.57"	245/40R18	66.5 mm
Rear	7.5x18	ET39	5.29"	225/45R18	66.5 mm
Rear	8.5x19	ET40	5.82"	245/35R19	66.5 mm

Staggered / rear-specific sizes are listed separately from front.

40 TDi

Position	Rim	Offset	Backspacing	Tire	Bore
Front / all	7.5x17	ET38	5.25"	225/50R17	66.5 mm
Front / all	7x17	ET42	5.15"	225/50R17	66.5 mm
Front / all	8x18	ET40	5.57"	245/40R18	66.5 mm
Rear	7.5x18	ET39	5.29"	225/45R18	66.5 mm
Rear	8.5x19	ET40	5.82"	245/35R19	66.5 mm

Staggered / rear-specific sizes are listed separately from front.

40 TDi Quattro

Position	Rim	Offset	Backspacing	Tire	Bore
Front / all	7.5x17	ET38	5.25"	225/50R17	66.5 mm
Front / all	7x17	ET42	5.15"	225/50R17	66.5 mm
Front / all	8x18	ET40	5.57"	245/40R18	66.5 mm
Rear	7.5x18	ET39	5.29"	225/45R18	66.5 mm
Rear	8.5x19	ET40	5.82"	245/35R19	66.5 mm

Staggered / rear-specific sizes are listed separately from front.

40 TFSi

Position	Rim	Offset	Backspacing	Tire	Bore
Front / all	7.5x17	ET38	5.25"	225/50R17	66.5 mm
Front / all	7x17	ET42	5.15"	225/50R17	66.5 mm
Front / all	8x18	ET40	5.57"	245/40R18	66.5 mm
Rear	7.5x18	ET39	5.29"	225/45R18	66.5 mm
Rear	8.5x19	ET40	5.82"	245/35R19	66.5 mm

Staggered / rear-specific sizes are listed separately from front.

40 g-tron

Position	Rim	Offset	Backspacing	Tire	Bore
Front / all	7x16	ET35	4.88"	205/60R16	66.5 mm
Front / all	7.5x17	ET38	5.25"	225/50R17	66.5 mm
Front / all	7x17	ET42	5.15"	225/50R17	66.5 mm
Front / all	8x18	ET40	5.57"	245/40R18	66.5 mm
Rear	7.5x18	ET39	5.29"	225/45R18	66.5 mm
Rear	8.5x19	ET40	5.82"	245/35R19	66.5 mm

Staggered / rear-specific sizes are listed separately from front.

50 TDi Quattro

Position	Rim	Offset	Backspacing	Tire	Bore
Front / all	7.5x17	ET38	5.25"	225/50R17	66.5 mm
Front / all	8x18	ET40	5.57"	245/40R18	66.5 mm
Front / all	7x17	ET42	5.15"	225/50R17	66.5 mm
Front / all	9x20	ET35	5.88"	255/30R20	66.5 mm
Rear	7.5x18	ET39	5.29"	225/45R18	66.5 mm
Rear	8.5x19	ET40	5.82"	245/35R19	66.5 mm

Staggered / rear-specific sizes are listed separately from front.

35 TDi (3CA-8WDEZ)

Position	Rim	Offset	Backspacing	Tire	Bore
Front / all	7.5x17	ET38	5.25"	225/50R17	66.5 mm
Front / all	8x18	ET40	5.57"	245/40R18	66.5 mm
Front / all	7x16	ET35	4.88"	205/60R16	66.5 mm
Front / all	7x17	ET42	5.15"	225/50R17	66.5 mm
Rear	7.5x18	ET39	5.29"	225/45R18	66.5 mm
Rear	8.5x19	ET40	5.82"	245/35R19	66.5 mm

Staggered / rear-specific sizes are listed separately from front.

35 TFSi (3AA-8WDEM)

Position	Rim	Offset	Backspacing	Tire	Bore
Front / all	7.5x17	ET38	5.25"	225/50R17	66.5 mm
Front / all	8x18	ET40	5.57"	245/40R18	66.5 mm
Front / all	7x17	ET42	5.15"	225/50R17	66.5 mm
Rear	7.5x18	ET39	5.29"	225/45R18	66.5 mm
Rear	8.5x19	ET40	5.82"	245/35R19	66.5 mm

Staggered / rear-specific sizes are listed separately from front.

40 TDi Quattro (3CA-8WDTPF)

Position	Rim	Offset	Backspacing	Tire	Bore
Front / all	7.5x17	ET38	5.25"	225/50R17	66.5 mm
Front / all	8x18	ET40	5.57"	245/40R18	66.5 mm
Front / all	7x17	ET42	5.15"	225/50R17	66.5 mm
Rear	7.5x18	ET39	5.29"	225/45R18	66.5 mm
Rear	8.5x19	ET40	5.82"	245/35R19	66.5 mm

Staggered / rear-specific sizes are listed separately from front.

40 TDi Quattro (3DA-8WDETF)

Position	Rim	Offset	Backspacing	Tire	Bore
Front / all	7.5x17	ET38	5.25"	225/50R17	66.5 mm
Front / all	8x18	ET40	5.57"	245/40R18	66.5 mm
Front / all	7x17	ET42	5.15"	225/50R17	66.5 mm
Rear	7.5x18	ET39	5.29"	225/45R18	66.5 mm
Rear	8.5x19	ET40	5.82"	245/35R19	66.5 mm

Staggered / rear-specific sizes are listed separately from front.

45 TFSi Quattro (3AA-8WDDWF)

Position	Rim	Offset	Backspacing	Tire	Bore
Front / all	7.5x17	ET38	5.25"	225/50R17	66.5 mm
Front / all	8x18	ET40	5.57"	245/40R18	66.5 mm
Front / all	7x17	ET42	5.15"	225/50R17	66.5 mm
Front / all	8.5x20	ET40	5.82"	245/30R20	66.5 mm
Rear	7.5x18	ET39	5.29"	225/45R18	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 RS 7
- 5x112 bolt pattern
- matching center bore
- compare rim diameter vs OEM 17"
- compare rim width vs OEM 7"
- compare offset vs OEM ET42
Compare on fitment tool →
2022 Audi Q8
- 5x112 bolt pattern
- matching center bore
- compare rim diameter vs OEM 17"
- compare rim width vs OEM 7"
- compare offset vs OEM ET42
Compare on fitment tool →
2022 Audi SQ5
- 5x112 bolt pattern
- matching center bore
- compare rim diameter vs OEM 17"
- compare rim width vs OEM 7"
- compare offset vs OEM ET42
Compare on fitment tool →
2022 Toyota Supra
- 5x112 bolt pattern
- matching center bore
- compare rim diameter vs OEM 17"
- compare rim width vs OEM 7"
- compare offset vs OEM ET42
Compare on fitment tool →
2022 Audi S5
- 5x112 bolt pattern
- matching center bore
- compare rim diameter vs OEM 17"
- compare rim width vs OEM 7"
- compare offset vs OEM ET42
Compare on fitment tool →
2022 Audi A6
- 5x112 bolt pattern
- matching center bore
- compare rim diameter vs OEM 17"
- compare rim width vs OEM 7"
- compare offset vs OEM ET42
Compare on fitment tool →
2022 Audi S8
- 5x112 bolt pattern
- matching center bore
- compare rim diameter vs OEM 17"
- compare rim width vs OEM 7"
- compare offset vs OEM ET42
Compare on fitment tool →
2022 Audi S6
- 5x112 bolt pattern
- matching center bore
- compare rim diameter vs OEM 17"
- compare rim width vs OEM 7"
- compare offset vs OEM ET42
Compare on fitment tool →
2022 Audi A7
- 5x112 bolt pattern
- matching center bore
- compare rim diameter vs OEM 17"
- compare rim width vs OEM 7"
- compare offset vs OEM ET42
Compare on fitment tool →
2022 BMW M4
- 5x112 bolt pattern
- matching center bore
- compare rim diameter vs OEM 17"
- compare rim width vs OEM 7"
- compare offset vs OEM ET42
Compare on fitment tool →

Hardware matching known specs

Dorman 611-236 Wheel Lug Nut M14-1.50
Thread matches catalog hardware
M14 x 1.5
View on Amazon
White Knight M14 x 1.50 Lug Nuts
Thread matches catalog hardware
M14 x 1.5
View on Amazon
White Knight 3809XLBK-33AM Black M14x1.50 Lug Nuts
Thread matches catalog hardware
M14 x 1.5
View on Amazon