Audi A6 Allroad (4FH, C6) Wheel Lug Pattern, Offset ET, and Rim Size Reference
The Audi A6 Allroad (4FH, C6), spanning production years 2006 to 2011, uses a specific wheel lug pattern that ensures proper fitment and safety. The common lug pattern is 5×112 mm PCD, which is standard across most years for this model. It is important to confirm this pattern with your vehicle's specifications before selecting wheels.\n\nOffset ET values for the A6 Allroad typically range between 30 mm and 35 mm, depending on the rim design and size. Maintaining the correct offset is crucial to prevent interference with suspension components and ensure proper handling characteristics.\n\nThe center bore for the Audi A6 Allroad (4FH, C6) is 66.5 mm, matching the hub size for a secure and centered wheel fit. Available rim sizes commonly start at 17 inches and can go up to 19 inches, giving options for style and performance improvements while adhering to fitment requirements.\n\nUse our year-sorted reference tables on the site for precise Audi wheel lug pattern catalog information, offset ET, and rim size compatibility tailored specifically for the A6 Allroad (4FH, C6). Accurate fitment data helps ensure safe, reliable, and optimized wheel installation for your Audi.
| Make / model / trim | Year | Tire | Rim width (in) | Rim diam. (in) | Bolt pattern | Offset ET | Bore DIA | Mounting |
|---|---|---|---|---|---|---|---|---|
| Audi A6 Allroad (4FH, C6) 2.7 TDI Quattro | 2011 | 225/55R17 | 7.5 | 17 | 5×112 | 34 | 57.1 | M14*1,5 |
| Audi A6 Allroad (4FH, C6) 3.0 TDI quattro | 2011 | 225/55R17 | 7.5 | 17 | 5×112 | 34 | 57.1 | M14*1,5 |
| Audi A6 Allroad (4FH, C6) 3.0 TDI Quattro | 2011 | 235/55R18 | 8 | 18 | 5×112 | 41 | 66.6 | M14*1,5 |
| Audi A6 Allroad (4FH, C6) 3.0 TFSI Quattro | 2011 | 235/55R18 | 8 | 18 | 5×112 | 41 | 66.6 | M14*1,5 |
| Audi A6 Allroad (4FH, C6) 2.7 TDI Quattro | 2010 | 225/55R17 | 7.5 | 17 | 5×112 | 34 | 57.1 | M14*1,5 |
| Audi A6 Allroad (4FH, C6) 3.0 TDI quattro | 2010 | 225/55R17 | 7.5 | 17 | 5×112 | 34 | 57.1 | M14*1,5 |
| Audi A6 Allroad (4FH, C6) 3.0 TDI Quattro | 2010 | 235/55R18 | 8 | 18 | 5×112 | 41 | 66.6 | M14*1,5 |
| Audi A6 Allroad (4FH, C6) 3.0 TFSI Quattro | 2010 | 235/55R18 | 8 | 18 | 5×112 | 41 | 66.6 | M14*1,5 |
| Audi A6 Allroad (4FH, C6) 4.2 FSI Quattro | 2010 | 245/45R18 | 8 | 18 | 5×112 | 38 | 57.1 | M14*1,5 |
| Audi A6 Allroad (4FH, C6) 2.7 TDI Quattro | 2009 | 225/55R17 | 7.5 | 17 | 5×112 | 34 | 57.1 | M14*1,5 |
| Audi A6 Allroad (4FH, C6) 3.0 TDI quattro | 2009 | 225/55R17 | 7.5 | 17 | 5×112 | 34 | 57.1 | M14*1,5 |
| Audi A6 Allroad (4FH, C6) 3.0 TDI Quattro | 2009 | 235/55R18 | 8 | 18 | 5×112 | 41 | 66.6 | M14*1,5 |
| Audi A6 Allroad (4FH, C6) 3.0 TFSI Quattro | 2009 | 235/55R18 | 8 | 18 | 5×112 | 41 | 66.6 | M14*1,5 |
| Audi A6 Allroad (4FH, C6) 4.2 FSI Quattro | 2009 | 245/45R18 | 8 | 18 | 5×112 | 38 | 57.1 | M14*1,5 |
| Audi A6 Allroad (4FH, C6) 2.7 TDI quattro | 2008 | 225/55R17 | 7.5 | 17 | 5×112 | 34 | 57.1 | M14*1,5 |
| Audi A6 Allroad (4FH, C6) 3.0 TDI quattro | 2008 | 225/55R17 | 7.5 | 17 | 5×112 | 34 | 57.1 | M14*1,5 |
| Audi A6 Allroad (4FH, C6) 3.0 TDI Quattro | 2008 | 235/55R18 | 8 | 18 | 5×112 | 41 | 66.6 | M14*1,5 |
| Audi A6 Allroad (4FH, C6) 3.0 TFSI Quattro | 2008 | 235/55R18 | 8 | 18 | 5×112 | 41 | 66.6 | M14*1,5 |
| Audi A6 Allroad (4FH, C6) 3.2 FSI Quattro | 2008 | 225/55R17 | 7.5 | 17 | 5×112 | 34 | 57.1 | M14*1,5 |
| Audi A6 Allroad (4FH, C6) 4.2 FSI Quattro | 2008 | 245/45R18 | 8 | 18 | 5×112 | 38 | 57.1 | M14*1,5 |
| Audi A6 Allroad (4FH, C6) 2.7 TDI quattro | 2007 | 225/55R17 | 7.5 | 17 | 5×112 | 34 | 57.1 | M14*1,5 |
| Audi A6 Allroad (4FH, C6) 3.0 TDI quattro | 2007 | 225/55R17 | 7.5 | 17 | 5×112 | 34 | 57.1 | M14*1,5 |
| Audi A6 Allroad (4FH, C6) 3.0 TDI Quattro | 2007 | 235/55R18 | 8 | 18 | 5×112 | 41 | 66.6 | M14*1,5 |
| Audi A6 Allroad (4FH, C6) 3.2 FSI Quattro | 2007 | 225/55R17 | 7.5 | 17 | 5×112 | 34 | 57.1 | M14*1,5 |
| Audi A6 Allroad (4FH, C6) 4.2 FSI Quattro | 2007 | 245/45R18 | 8 | 18 | 5×112 | 38 | 57.1 | M14*1,5 |
| Audi A6 Allroad (4FH, C6) 2.7 TDI quattro | 2006 | 225/55R17 | 7.5 | 17 | 5×112 | 34 | 57.1 | M14*1,5 |
| Audi A6 Allroad (4FH, C6) 3.0 TDI quattro | 2006 | 225/55R17 | 7.5 | 17 | 5×112 | 34 | 57.1 | M14*1,5 |
| Audi A6 Allroad (4FH, C6) 3.0 TDI Quattro | 2006 | 235/55R18 | 8 | 18 | 5×112 | 41 | 66.6 | M14*1,5 |
| Audi A6 Allroad (4FH, C6) 3.2 FSI Quattro | 2006 | 225/55R17 | 7.5 | 17 | 5×112 | 34 | 57.1 | M14*1,5 |
| Audi A6 Allroad (4FH, C6) 4.2 FSI Quattro | 2006 | 245/45R18 | 8 | 18 | 5×112 | 38 | 57.1 | M14*1,5 |
FAQ
- What is the lug pattern for Audi A6 Allroad (4FH, C6)?
- The lug pattern is 5×112 mm PCD for all production years of the Audi A6 Allroad (4FH, C6).
- What offset ET range is recommended for Audi A6 Allroad wheels?
- Recommended offset ET values typically range from 30 mm to 35 mm depending on wheel design and size.
- What center bore size fits the Audi A6 Allroad (4FH, C6)?
- The correct center bore size is 66.5 mm to ensure proper wheel centering on the hub.
Tire size calculatorShow
Compare two tire sizes — diameter, speedometer error, and clearance change.
| Size 1 | Size 2 | Diff | Diff(%) | |
|---|---|---|---|---|
| Diameter | 25.0" | 25.4" | 0.5" | 1.89% |
| Width | 7.7" | 8.5" | 0.8" | 10.26% |
| Circumference | 78.4" | 79.9" | 1.5" | 1.86% |
| Profile height | 5.0" | 4.2" | -0.7" | -15.08% |
| Turnover per mile | 807 | 793 | 14 | -1.73% |
| Clearance | - | - | +0.2" | - |






Speedometer Error
(First wheel OEM size)
| Reading | 20 mph | 30 mph | 40 mph | 50 mph | 60 mph | 70 mph | 80 mph | 90 mph |
|---|---|---|---|---|---|---|---|---|
| Actual | 20.4 | 30.5 | 40.7 | 50.9 | 61.1 | 71.2 | 81.4 | 91.6 |
