2021 Audi A6 Allroad Custom Tires & Wheels Fitment Guide
Browse compatible tires for the 2021 Audi A6 Allroad matched to 18-21" wheel diameters and 8-8.5" widths.
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2021 Audi A6 Allroad Wheel Fitment Specs: 18"–21" Rim Sizes, 8"–8.5" Widths & 5x112 PCD
Every aftermarket wheel shown above is pre-filtered for the 2021 Audi A6 Allroad (C8 Facelift). By matching your 2021 Audi A6 Allroad lug pattern (5x112), compatible rim diameters (18, 19, 20, and 21 inch), and 8", 8.5" widths against inventory from Weld, American Racing Vintage, SVF02, Lexani, Savini, TSW, you can choose custom rims with confidence or build a complete 2021 Audi A6 Allroad wheel and tire package.
| Specification | Verified Fitment Details |
|---|---|
| Vehicle & Year | 2021 Audi A6 Allroad (C8 Facelift) |
| Trims Covered | 55 TFSi quattro |
| Bolt Pattern (PCD) | 5x112 |
| Supported Diameters | 18", 19", 20", 21" |
| Supported Widths | 8", 8.5" |
| Center Bore | 66.5 mm |
| Offset (ET) Range | ET37–ET40 |
| Verified Tire Sizes | 235/55ZR18 100Y, 235/50ZR19 103Y, 245/45ZR20 103Y, 245/40ZR21 100Y, 235/55R18 100H, 245/45ZR20 103W |
| Compatible Brands | Weld, American Racing Vintage, SVF02, Lexani, Savini, TSW |
2021 Audi A6 Allroad Rim Sizes & Wheel Construction Guide
Popular wheel fitments include 18 inch wheels for 2021 Audi A6 Allroad, 19 inch wheels for 2021 Audi A6 Allroad, 20 inch wheels for 2021 Audi A6 Allroad, 21 inch wheels for 2021 Audi A6 Allroad matched to 8"–8.5" widths and 5x112 bolt patterns. You can safely run cast alloy, flow-formed, or forged custom wheels from brands such as Weld, American Racing Vintage, SVF02, Lexani, Savini, TSW whenever bolt pattern, center bore, offset, and load rating align. When stepping up in diameter on AWD drivetrains, keep overall tire rolling diameter matched front-to-rear.
2021 Audi A6 Allroad Wheel & Fitment FAQs
What is the exact wheel bolt pattern, hub bore, and lug specification for the 2021 Audi A6 Allroad?
The 2021 Audi A6 Allroad is engineered with a 5x112 bolt pattern and a 66.5 mm center bore and accommodates wheel diameters of 18"–21" with rim widths of 8"–8.5". Installing hub-centric wheels guarantees zero highway vibrations.
Do different 2021 Audi A6 Allroad trims share the same wheel size and brake clearance?
Across 2021 Audi A6 Allroad trims (55 TFSi quattro), compatible wheels span 18"–21" in diameter and 8"–8.5" wide with offsets around ET37–ET40 (5x112 bolt pattern). Higher trims equipped with upgraded sport brakes require larger wheel diameters to clear the calipers.
What precautions are needed when changing wheel sizes on an AWD 2021 Audi A6 Allroad?
On the AWD 2021 Audi A6 Allroad, all four tires must maintain matching overall rolling diameters within 1% across 18"–21" wheel sizes (5x112 PCD) to prevent strain on the center differential.
What factory and plus-sized tire sizes fit the 2021 Audi A6 Allroad?
Recorded compatible tire sizes for the 2021 Audi A6 Allroad include 235/55ZR18 100Y, 235/50ZR19 103Y, 245/45ZR20 103Y, 245/40ZR21 100Y, 235/55R18 100H on 18"–21" wheels. When building a package, our fitment engine confirms exact tire aspect ratios for your selected rim width.