2026 Audi A6 Allroad tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x112 on every 2026 trim.

Tires for the 2026 Audi A6 Allroad

Sizes most trims come with first. Open your trim below for its exact size.

  1. 235/55R18 Best-rated standard on 1 trim
  2. 235/50R19 Best-rated optional on 1 trim
  3. 245/45R20 Best-rated optional on 1 trim

Also listed: 245/40R21

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Trims sold in 2026
1
Generation
C8

1 trim sold in 2026

Open a trim for its tire and rim sizes, bolt pattern and tire pressure.

Audi A6 Allroad C8

2023–2027 USA 1 trim
A6 Allroad 55 TFSi quattro (Estate, 5d) 335 hp · 3.0 L DLZ V6 Petrol 3.0 L DLZ V6 235/55R18 6 fitments
Generation
C8 Facelift · 2023–2027
Market
USA
Power
335 hp
Engine
3.0 L DLZ V6 Petrol 3.0 L DLZ V6, Petrol
Center bore
66.5 mm
Bolt pattern
5x112
Thread
M14 x 1.5
FitTire sizeRim size and bolt patternPressure, psi
OE235/55R18Rim 18x8 ET39 5x112–
Alt235/55R18Rim 18x8 ET39 5x112–
Alt235/50R19Rim 19x8.5 ET40 5x112–
Alt245/45R20Rim 20x8.5 ET37 5x112–
Alt245/45R20Rim 20x8.5 ET37 5x112–
Alt245/40R21Rim 21x8.5 ET37 5x112–
What these columns mean
OE fitment
The package fitted at the factory for that trim.
Alternative
A size the car accepts without modification — plus-sizing, winter setups or optional wheels.
Rim size
Rim diameter × width in inches, and the factory offset (ET) in millimetres, e.g. 18x7.5 ET25.
Bolt pattern (PCD)
Number of studs and the diameter of the circle they sit on. It must match exactly.
Center bore
Diameter of the hub hole. Larger aftermarket bores need hub-centric rings.
Pressure
Recommended cold inflation pressure for that axle, in psi.
Thread size
Lug bolt or nut thread — needed when buying aftermarket fasteners.
Trims sold in 2026
1
Generation
C8
Other years
All years (2000–2026)

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