2008 Audi S5 Wheel Backspacing
5.39 in · 5.51 in · 5.80 in · 5.64 in
Quick specs
- Backspacing
- 5.39 in · 5.51 in · 5.80 in · 5.64 in
- OEM offset
- ET29 · ET32 · ET33
- Wheel size
- 8.5x18 · 8.5x19 · 9x19 · 9x20
- Bolt pattern
- 5×112
- Tire size
- 245/40R18 · 255/35R19 · 265/30R20
OEM configurations
| Configuration | Front | Rear | Offset | Backspacing | Tire | Bolt pattern | Center bore | Thread |
|---|---|---|---|---|---|---|---|---|
| 4.2 FSi · 4.2L, CAUA, V8, Petrol | 8.5x18 | — | ET29 | 5.39 in | 245/40R18 | 5x112 | 66.5 mm | M14 x 1.5 |
| 4.2 FSi · 4.2L, CAUA, V8, Petrol | 8.5x19 | — | ET32 | 5.51 in | 255/35R19 | 5x112 | 66.5 mm | M14 x 1.5 |
| 4.2 FSi · 4.2L, CAUA, V8, Petrol | 9x19 | — | ET33 | 5.80 in | 255/35R19 | 5x112 | 66.5 mm | M14 x 1.5 |
| 4.2 FSi · 4.2L, CAUA, V8, Petrol | 9x20 | 10x20 | ET29 / ET34 | 5.64 in | 265/30R20 | 5x112 | 66.5 mm | M14 x 1.5 |
Compare wheel position See wheel offset
Backspacing values above are calculated from OEM wheel width and offset using BS = width/2 + offset_mm/25.4 (same formula as the fitment calculator).
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More specs for the 2008 Audi S5
Backspacing on these pages is calculated from OEM wheel width and offset (width/2 + offset_mm/25.4). Higher backspacing seats the wheel farther inward; lower backspacing moves it outward.