2026 Audi RS6 4.0 V8 TFSI Quattro (600hp)
The 2026 Audi RS6 4.0 V8 TFSI Quattro (600hp) tire size and wheel specifications below reflect standard OEM reference fitment data for this trim level.
Detailed tire and wheel breakdown for the 2026 Audi RS6
Tire geometry â 275/35R21
The 275/35R21 fitted to the 2026 Audi RS6 has a section width of 275mm and an aspect ratio of 35%, mounted on a 21-inch rim. That gives a sidewall height of 96.3mm (3.79") and an overall outside diameter of 725.9mm (28.58"). At highway speed this tire completes roughly 439 revolutions per kilometre, which is what your speedometer and odometer are calibrated against.
Plus-sizing window
If you want to upsize wheels on the 2026 Audi RS6 while keeping the speedometer accurate, target a 285/29R22 (plus-one). For a softer ride or winter setup, a 265/41R20 (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 2026 Audi RS6 uses a 5x112 bolt pattern with a 66.5mm hub bore. Safe rim width range for the OEM tire is 10.0J â 11.0J, and offsets in the ET14 â ET24 window will clear suspension and fender without rubbing on most setups.
Tire pressure guidance
Manufacturer-recommended cold tire pressure for the 2026 Audi RS6 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%.
Fitment Specifications
| Engine & Trim | Tire Size | Rim Size | Offset (ET) |
|---|---|---|---|
| 4.0 V8 TFSI Quattro (600hp) | 275/35R21 | 21" x 10.5 | ET19 |
Frequently Asked Questions
What tire size does the 2026 Audi RS6 4.0 V8 TFSI Quattro (600hp) use?
The 2026 Audi RS6 4.0 V8 TFSI Quattro (600hp) uses 275/35R21 tires as standard equipment.
What is the bolt pattern of the 2026 Audi RS6 4.0 V8 TFSI Quattro (600hp)?
The 2026 Audi RS6 4.0 V8 TFSI Quattro (600hp) has a 5x112 bolt pattern with a center bore of 66.5mm.
What is the wheel offset of the 2026 Audi RS6 4.0 V8 TFSI Quattro (600hp)?
The 2026 Audi RS6 4.0 V8 TFSI Quattro (600hp) has a wheel offset of ETET19.