2021 Audi A4 Allroad Custom Tires & Wheels Fitment Guide
Browse compatible tires for the 2021 Audi A4 Allroad matched to 17-19" wheel diameters and 6.5-8" widths.
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2021 Audi A4 Allroad Wheel Fitment Specs: 17"–19" Rim Sizes, 6.5"–8" Widths & 5x112 PCD
Every aftermarket wheel shown above is pre-filtered for the 2021 Audi A4 Allroad (B9 Facelift). By matching your 2021 Audi A4 Allroad lug pattern (5x112), compatible rim diameters (17, 18, and 19 inch), and 6.5", 7.5", 8" widths against inventory from Niche 1PC, Axe Wheels, Vision, 1AV, ADVANTI RACING, Black Rhino Hard Alloys, you can choose custom rims with confidence or build a complete 2021 Audi A4 Allroad wheel and tire package.
| Specification | Verified Fitment Details |
|---|---|
| Vehicle & Year | 2021 Audi A4 Allroad (B9 Facelift) |
| Trims Covered | 45 TFSi Quattro |
| Bolt Pattern (PCD) | 5x112 |
| Supported Diameters | 17", 18", 19" |
| Supported Widths | 6.5", 7.5", 8" |
| Center Bore | 66.5 mm |
| Offset (ET) Range | ET28–ET32 |
| Verified Tire Sizes | 245/45ZR18 96Y, 225/55ZR17 97Y, 245/40ZR19 98Y, 225/55R17 97H, 245/45R18 100V |
| Compatible Brands | Niche 1PC, Axe Wheels, Vision, 1AV, ADVANTI RACING, Black Rhino Hard Alloys |
2021 Audi A4 Allroad Rim Sizes & Wheel Construction Guide
Popular wheel fitments include 17 inch wheels for 2021 Audi A4 Allroad, 18 inch wheels for 2021 Audi A4 Allroad, 19 inch wheels for 2021 Audi A4 Allroad matched to 6.5"–8" widths and 5x112 bolt patterns. You can safely run cast alloy, flow-formed, or forged custom wheels from brands such as Niche 1PC, Axe Wheels, Vision, 1AV, ADVANTI RACING, Black Rhino Hard Alloys 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 A4 Allroad Wheel & Fitment FAQs
What is the exact wheel bolt pattern, hub bore, and lug specification for the 2021 Audi A4 Allroad?
The 2021 Audi A4 Allroad is engineered with a 5x112 bolt pattern and a 66.5 mm center bore and accommodates wheel diameters of 17"–19" with rim widths of 6.5"–8". Installing hub-centric wheels guarantees zero highway vibrations.
Do different 2021 Audi A4 Allroad trims share the same wheel size and brake clearance?
Across 2021 Audi A4 Allroad trims (45 TFSi Quattro), compatible wheels span 17"–19" in diameter and 6.5"–8" wide with offsets around ET28–ET32 (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 A4 Allroad?
On the AWD 2021 Audi A4 Allroad, all four tires must maintain matching overall rolling diameters within 1% across 17"–19" wheel sizes (5x112 PCD) to prevent strain on the center differential.
What factory and plus-sized tire sizes fit the 2021 Audi A4 Allroad?
Recorded compatible tire sizes for the 2021 Audi A4 Allroad include 245/45ZR18 96Y, 225/55ZR17 97Y, 245/40ZR19 98Y, 225/55R17 97H, 245/45R18 100V on 17"–19" wheels. When building a package, our fitment engine confirms exact tire aspect ratios for your selected rim width.