Audi A8 (4H) Tire Sizes, Rim Width & Diameter by Model Year and Trim
The Audi A8 (4H), produced between 2010 and 2017, features varying tire size markings depending on the model year and trim level. Typical tire sizes range from 245/45 R18 to 275/35 R21, corresponding to different equipment packages and performance variants.\n\nRim widths on the A8 (4H) generally vary between 8 and 10 inches, while diameters range from 18 to 21 inches. Higher trims and sport packages often feature wider and larger diameter rims for enhanced handling and aesthetics.\n\nWhen comparing trims, it’s essential to check tire markings, which indicate tire width, aspect ratio, and construction type suitable for each model year. Matching the correct rim width and diameter ensures proper fitment, safety, and optimal driving dynamics on the Audi A8 (4H).\n\nAlways consult the manufacturer's recommendations or a qualified tire professional before changing tire sizes or rim widths to maintain performance and safety standards.
| Make / model / trim | Year | Tire size | Wheel |
|---|---|---|---|
| Audi A8 (4H) 2.0 TFSI hybrid | 2019 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 2.5 TFSI | 2019 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 3.0 TDI | 2019 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 3.0 TDI quattro | 2019 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 3.0 TFSI quattro | 2019 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 4.0 TFSI quattro | 2019 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 4.2 FSI quattro | 2019 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 4.2 TDI quattro | 2019 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 6.3 W12 quattro | 2019 | 265/40R20 | 9" × 20" |
| Audi A8 (4H) S8 plus quattro | 2019 | 265/40R20 | 9" × 20" |
| Audi A8 (4H) S8 Quattro | 2019 | 265/40R20 | 9" × 20" |
| Audi A8 (4H) 2.0 TFSI hybrid | 2018 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 2.5 TFSI | 2018 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 3.0 TDI | 2018 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 3.0 TDI quattro | 2018 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 3.0 TFSI quattro | 2018 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 4.0 TFSI quattro | 2018 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 4.2 FSI quattro | 2018 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 4.2 TDI quattro | 2018 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 6.3 W12 quattro | 2018 | 265/40R20 | 9" × 20" |
| Audi A8 (4H) S8 plus quattro | 2018 | 265/40R20 | 9" × 20" |
| Audi A8 (4H) S8 Quattro | 2018 | 265/40R20 | 9" × 20" |
| Audi A8 (4H) 2.0 TFSI hybrid | 2017 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 2.5 TFSI | 2017 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 3.0 TDI | 2017 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 3.0 TDI quattro | 2017 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 3.0 TFSI quattro | 2017 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 4.0 TFSI quattro | 2017 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 4.2 FSI quattro | 2017 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 4.2 TDI quattro | 2017 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 6.3 W12 quattro | 2017 | 265/40R20 | 9" × 20" |
| Audi A8 (4H) S8 plus quattro | 2017 | 265/40R20 | 9" × 20" |
| Audi A8 (4H) S8 Quattro | 2017 | 265/40R20 | 9" × 20" |
| Audi A8 (4H) 2.0 TFSI hybrid | 2016 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 2.5 TFSI | 2016 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 3.0 TDI | 2016 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 3.0 TDI quattro | 2016 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 3.0 TFSI quattro | 2016 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 4.0 TFSI quattro | 2016 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 4.2 FSI quattro | 2016 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 4.2 TDI quattro | 2016 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 6.3 W12 quattro | 2016 | 265/40R20 | 9" × 20" |
| Audi A8 (4H) S8 plus quattro | 2016 | 265/40R20 | 9" × 20" |
| Audi A8 (4H) S8 Quattro | 2016 | 265/40R20 | 9" × 20" |
| Audi A8 (4H) 2.0 TFSI hybrid | 2015 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 2.5 TFSI | 2015 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 3.0 TDI | 2015 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 3.0 TDI quattro | 2015 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 3.0 TFSI quattro | 2015 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 4.0 TFSI quattro | 2015 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 4.2 FSI quattro | 2015 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 4.2 TDI quattro | 2015 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 6.3 W12 quattro | 2015 | 265/40R20 | 9" × 20" |
| Audi A8 (4H) S8 plus quattro | 2015 | 265/40R20 | 9" × 20" |
| Audi A8 (4H) S8 Quattro | 2015 | 265/40R20 | 9" × 20" |
| Audi A8 (4H) 2.0 TFSI hybrid | 2014 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 2.5 TFSI | 2014 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 3.0 TDI | 2014 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 3.0 TDI quattro | 2014 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 3.0 TFSI quattro | 2014 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 4.0 TFSI quattro | 2014 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 4.2 FSI quattro | 2014 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 4.2 TDI quattro | 2014 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 6.3 W12 quattro | 2014 | 265/40R20 | 9" × 20" |
| Audi A8 (4H) S8 Quattro | 2014 | 265/40R20 | 9" × 20" |
| Audi A8 (4H) 2.0 TFSI hybrid | 2013 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 2.5 TFSI | 2013 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 3.0 TDI | 2013 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 3.0 TDI quattro | 2013 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 3.0 TFSI quattro | 2013 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 4.0 TFSI quattro | 2013 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 4.2 FSI quattro | 2013 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 4.2 TDI quattro | 2013 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 6.3 W12 quattro | 2013 | 265/40R20 | 9" × 20" |
| Audi A8 (4H) S8 Quattro | 2013 | 265/40R20 | 9" × 20" |
| Audi A8 (4H) 2.0 TFSI hybrid | 2012 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 2.5 TFSI | 2012 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 3.0 TDI | 2012 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 3.0 TDI quattro | 2012 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 3.0 TFSI quattro | 2012 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 4.0 TFSI quattro | 2012 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 4.2 FSI quattro | 2012 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 4.2 TDI quattro | 2012 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 6.3 W12 quattro | 2012 | 265/40R20 | 9" × 20" |
| Audi A8 (4H) S8 Quattro | 2012 | 265/40R20 | 9" × 20" |
| Audi A8 (4H) 3.0 TDI | 2011 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 3.0 TDI quattro | 2011 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 3.0 TFSI quattro | 2011 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 4.2 FSI quattro | 2011 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 4.2 TDI quattro | 2011 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 6.3 W12 quattro | 2011 | 265/40R20 | 9" × 20" |
| Audi A8 (4H) 3.0 TDI quattro | 2010 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 3.0 TFSI quattro | 2010 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 4.2 FSI quattro | 2010 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 4.2 TDI quattro | 2010 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 4.2 FSI quattro | 2009 | 235/55R18 | 8" × 18" |
| Audi A8 (4H) 4.2 TDI quattro | 2009 | 235/55R18 | 8" × 18" |
For bolt pattern (PCD), offset ET, center bore, and mounting details, open the bolt pattern page for Audi A8 (4H).
FAQ
- What tire sizes are common for the Audi A8 (4H)?
- Common tire sizes range from 245/45 R18 up to 275/35 R21 depending on the trim and model year.
- How do rim widths vary across Audi A8 (4H) trims?
- Rim widths typically vary between 8 and 10 inches, with sportier trims featuring wider rims.
- Can I use the same tire size on different Audi A8 (4H) trims?
- It's important to verify tire size markings and rim width recommendations for each trim to ensure proper fit and safety.
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 |
