What tire sizes fit the Audi A6 Allroad (4FH, C6)?

Common sizes include 235/55 R17 and 255/45 R18, varying by model year and trim.

How do rim widths vary among trims?

Rim widths range typically from 7.5 to 8.5 inches depending on the trim and wheel package.

Can I interchange tires between different A6 Allroad trims?

Yes, if the tire size matches the rim width and diameter specified for each trim to maintain performance and safety.

Audi A6 Allroad (4FH, C6) Tire Sizes & Rim Dimensions by Year & Trim

The Audi A6 Allroad (4FH, C6) spans model years with varying tire size specifications depending on trim levels and production updates. Typical tire markings for earlier years include 235/55 R17 or 255/45 R18, reflecting standard and upgraded trims respectively.\n\nRim widths for the A6 Allroad (4FH, C6) generally range from 7.5 to 8.5 inches in diameter sizes of 17 to 19 inches. Knowing your specific trim’s rim width and diameter is essential for selecting compatible tires that maintain factory performance and safety standards.\n\nPractical comparison between trims should consider both tire width and sidewall height, as lower-profile tires on higher trims improve handling but may reduce ride comfort. Confirm rim specifications using your vehicle’s manual or OEM data to ensure correct fitment and avoid clearance or speedometer errors.

Year

Make / model / trim	Year	Tire size	Wheel
Audi A6 Allroad (4FH, C6) 2.7 TDI Quattro	2011	225/55R17	7.5" × 17"
Audi A6 Allroad (4FH, C6) 3.0 TDI quattro	2011	225/55R17	7.5" × 17"
Audi A6 Allroad (4FH, C6) 3.0 TDI Quattro	2011	235/55R18	8" × 18"
Audi A6 Allroad (4FH, C6) 3.0 TFSI Quattro	2011	235/55R18	8" × 18"
Audi A6 Allroad (4FH, C6) 2.7 TDI Quattro	2010	225/55R17	7.5" × 17"
Audi A6 Allroad (4FH, C6) 3.0 TDI quattro	2010	225/55R17	7.5" × 17"
Audi A6 Allroad (4FH, C6) 3.0 TDI Quattro	2010	235/55R18	8" × 18"
Audi A6 Allroad (4FH, C6) 3.0 TFSI Quattro	2010	235/55R18	8" × 18"
Audi A6 Allroad (4FH, C6) 4.2 FSI Quattro	2010	245/45R18	8" × 18"
Audi A6 Allroad (4FH, C6) 2.7 TDI Quattro	2009	225/55R17	7.5" × 17"
Audi A6 Allroad (4FH, C6) 3.0 TDI quattro	2009	225/55R17	7.5" × 17"
Audi A6 Allroad (4FH, C6) 3.0 TDI Quattro	2009	235/55R18	8" × 18"
Audi A6 Allroad (4FH, C6) 3.0 TFSI Quattro	2009	235/55R18	8" × 18"
Audi A6 Allroad (4FH, C6) 4.2 FSI Quattro	2009	245/45R18	8" × 18"
Audi A6 Allroad (4FH, C6) 2.7 TDI quattro	2008	225/55R17	7.5" × 17"
Audi A6 Allroad (4FH, C6) 3.0 TDI quattro	2008	225/55R17	7.5" × 17"
Audi A6 Allroad (4FH, C6) 3.0 TDI Quattro	2008	235/55R18	8" × 18"
Audi A6 Allroad (4FH, C6) 3.0 TFSI Quattro	2008	235/55R18	8" × 18"
Audi A6 Allroad (4FH, C6) 3.2 FSI Quattro	2008	225/55R17	7.5" × 17"
Audi A6 Allroad (4FH, C6) 4.2 FSI Quattro	2008	245/45R18	8" × 18"
Audi A6 Allroad (4FH, C6) 2.7 TDI quattro	2007	225/55R17	7.5" × 17"
Audi A6 Allroad (4FH, C6) 3.0 TDI quattro	2007	225/55R17	7.5" × 17"
Audi A6 Allroad (4FH, C6) 3.0 TDI Quattro	2007	235/55R18	8" × 18"
Audi A6 Allroad (4FH, C6) 3.2 FSI Quattro	2007	225/55R17	7.5" × 17"
Audi A6 Allroad (4FH, C6) 4.2 FSI Quattro	2007	245/45R18	8" × 18"
Audi A6 Allroad (4FH, C6) 2.7 TDI quattro	2006	225/55R17	7.5" × 17"
Audi A6 Allroad (4FH, C6) 3.0 TDI quattro	2006	225/55R17	7.5" × 17"
Audi A6 Allroad (4FH, C6) 3.0 TDI Quattro	2006	235/55R18	8" × 18"
Audi A6 Allroad (4FH, C6) 3.2 FSI Quattro	2006	225/55R17	7.5" × 17"
Audi A6 Allroad (4FH, C6) 4.2 FSI Quattro	2006	245/45R18	8" × 18"

For bolt pattern (PCD), offset ET, center bore, and mounting details, open the bolt pattern page for Audi A6 Allroad (4FH, C6).

FAQ

What tire sizes fit the Audi A6 Allroad (4FH, C6)?: Common sizes include 235/55 R17 and 255/45 R18, varying by model year and trim.
How do rim widths vary among trims?: Rim widths range typically from 7.5 to 8.5 inches depending on the trim and wheel package.
Can I interchange tires between different A6 Allroad trims?: Yes, if the tire size matches the rim width and diameter specified for each trim to maintain performance and safety.

Tire size calculatorShow

Compare two tire sizes — diameter, speedometer error, and clearance change.

WidthHeightRadius

inch

	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"	-

25.0"

7.7"

25.5"

8.5"

15"

5.0"

17"

4.2"

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