2018 Audi S8 Custom Alloy Wheels & Aftermarket Rims Guide
Showing compatible wheels for the 2018 Audi S8 (4.0 TFSi quattro) matching 5x112 bolt pattern, 19, 20, and 21 inch diameters, and 8"–9" widths from Lexani, Savini, TSW, ESR Wheels. Filter by rim size, width, or finish and build a complete wheel & tire package.
- Diameter
- 20, 19, 21
- Width
- 9, 8
- Bolt pattern
- 5x112
Shop
2018 Audi S8 Wheel Fitment Specs: 19"–21" Rim Sizes, 8"–9" Widths & 5×112 PCD
Every aftermarket wheel shown above is pre-filtered for the 2018 Audi S8 (D5 Facelift). By matching your 2018 Audi S8 lug pattern (5×112), compatible rim diameters (19, 20, and 21 inch), and 8", 9" widths against inventory from Lexani, Savini, TSW, ESR Wheels, Niche 1PC, Axe Wheels, you can choose custom rims with confidence or build a complete 2018 Audi S8 wheel and tire package.
| Specification | Verified Fitment Details |
|---|---|
| Vehicle & Year | 2018 Audi S8 (D5 Facelift) |
| Trims Covered | 4.0 TFSi quattro |
| Bolt Pattern (PCD) | 5×112 |
| Supported Diameters | 19", 20", 21" |
| Supported Widths | 8", 9" |
| Center Bore | 66.5 mm |
| Offset (ET) Range | ET32–ET40 |
| Verified Tire Sizes | 265/40ZR20 104Y XL, 235/50R19 103H, 265/40R20 104V, 265/35ZR21 101Y XL |
| Compatible Brands | Lexani, Savini, TSW, ESR Wheels, Niche 1PC, Axe Wheels |
2018 Audi S8 Rim Sizes & Wheel Construction Guide
Popular wheel fitments include 19 inch wheels for 2018 Audi S8, 20 inch wheels for 2018 Audi S8, 21 inch wheels for 2018 Audi S8 matched to 8"–9" widths and 5×112 bolt patterns. You can safely run cast alloy, flow-formed, or forged custom wheels from brands such as Lexani, Savini, TSW, ESR Wheels, Niche 1PC, Axe Wheels 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.
2018 Audi S8 Wheel & Fitment FAQs
What is the exact wheel bolt pattern, hub bore, and lug specification for the 2018 Audi S8?
The 2018 Audi S8 is engineered with a 5×112 bolt pattern and a 66.5 mm center bore and accommodates wheel diameters of 19"–21" with rim widths of 8"–9". Installing hub-centric wheels guarantees zero highway vibrations.
Do different 2018 Audi S8 trims share the same wheel size and brake clearance?
Across 2018 Audi S8 trims (4.0 TFSi quattro), compatible wheels span 19"–21" in diameter and 8"–9" wide with offsets around ET32–ET40 (5×112 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 2018 Audi S8?
On the AWD 2018 Audi S8, all four tires must maintain matching overall rolling diameters within 1% across 19"–21" wheel sizes (5×112 PCD) to prevent strain on the center differential.
What factory and plus-sized tire sizes fit the 2018 Audi S8?
Recorded compatible tire sizes for the 2018 Audi S8 include 265/40ZR20 104Y XL, 235/50R19 103H, 265/40R20 104V, 265/35ZR21 101Y XL on 19"–21" wheels. When building a package, our fitment engine confirms exact tire aspect ratios for your selected rim width.