Tire specs
- Warranty
- 50,000 miles
- Load index
- 99
- Speed rating
- Y (186 mph)
- Load range
- Extra load (XL)
- Item #
- 2554018KUM2369133
2010 Audi S6 Base — 255/40R18
O.E. size · 255/40R18
2010 Audi S6 Base
2 tire results
Factory-size matches for your vehicleTire specs
- Load index
- 99
- Speed rating
- Y (186 mph)
- Load range
- Extra load (XL)
- Item #
- 2554018KUM2364813
What size tires does the 2010 Audi S6 Base take?
The factory tire size for the 2010 Audi S6 Base is 255/40R18.
The catalog lists it at load index 99, speed rating Y (up to 186 mph).
| Wheels | Size | Load index | Speed rating |
|---|---|---|---|
| All wheels | 255/40R18 | 99 | Y |
Confirm the size printed on the sidewall of your current tire or on the tire placard in the driver's door jamb before you buy. Replacement tires should meet or exceed the vehicle's load index and speed rating.