2008 Audi A8 Wheel Backspacing
6.02 in · 5.94 in · 5.32 in · 5.69 in · 6.15 in · 6.31 in · 6.27 in · 6.11 in
Quick specs
- Backspacing
- 6.02 in · 5.94 in · 5.32 in · 5.69 in · 6.15 in · 6.31 in · 6.27 in · 6.11 in
- OEM offset
- ET45 · ET43 · ET40 · ET42 · ET46 · ET41
- Wheel size
- Multiple — see configurations
- Bolt pattern
- 5×112
- Tire size
- Multiple — see configurations
OEM configurations
| Configuration | Front | Rear | Offset | Backspacing | Tire | Bolt pattern | Center bore | Thread |
|---|---|---|---|---|---|---|---|---|
| 4.2i · 4.2L, V8, Petrol | 8.5x18 | — | ET45 | 6.02 in | 255/45R18 | 5x112 | 57.1 mm | M14 x 1.5 |
| 4.2i · 4.2L, V8, Petrol | 8.5x19 | — | ET45 | 6.02 in | 255/40R19 | 5x112 | 57.1 mm | M14 x 1.5 |
| 4.2i · 4.2L, V8, Petrol | 8.5x20 | — | ET43 | 5.94 in | 255/35R20 | 5x112 | 57.1 mm | M14 x 1.5 |
| 2.8FSi · 2.8L, V6, Petrol | 7.5x17 | 8x19 | ET40 / ET43 | 5.32 in | 235/55R17 / 235/45R19 | 5x112 | 57.1 mm | M14 x 1.5 |
| 2.8FSi · 2.8L, V6, Petrol | 8x18 | 8x19 | ET43 | 5.69 in | 235/50R18 / 235/45R19 | 5x112 | 57.1 mm | M14 x 1.5 |
| 3.0TDi · 3.0L, V6, Diesel | 8x17 | — | ET43 | 5.69 in | 235/55R17 | 5x112 | 57.1 mm | M14 x 1.5 |
| 3.0TDi · 3.0L, V6, Diesel | 8x17 | — | ET43 | 5.69 in | 255/50R17 | 5x112 | 57.1 mm | M14 x 1.5 |
| 3.0TDi · 3.0L, V6, Diesel | 8.5x18 | — | ET45 | 6.02 in | 255/45R18 | 5x112 | 57.1 mm | M14 x 1.5 |
| 3.0i · 3.0L, ASN, V6, Petrol | 8x17 | — | ET43 | 5.69 in | 235/55R17 | 5x112 | 57.1 mm | M14 x 1.5 |
| 3.0i · 3.0L, ASN, V6, Petrol | 8x18 | — | ET43 | 5.69 in | 235/50R18 | 5x112 | 57.1 mm | M14 x 1.5 |
| 3.0i · 3.0L, ASN, V6, Petrol | 8.5x18 | — | ET45 | 6.02 in | 255/45R18 | 5x112 | 57.1 mm | M14 x 1.5 |
| 3.2FSi · 3.1L, BPK, V6, Petrol | 8.5x18 | — | ET45 | 6.02 in | 255/45R18 | 5x112 | 57.1 mm | M14 x 1.5 |
| 3.2FSi · 3.1L, BPK, V6, Petrol | 8.5x19 | — | ET45 | 6.02 in | 255/40R19 | 5x112 | 57.1 mm | M14 x 1.5 |
| 3.2FSi · 3.1L, BPK, V6, Petrol | 8.5x20 | — | ET43 | 5.94 in | 255/35R20 | 5x112 | 57.1 mm | M14 x 1.5 |
| 3.7i · 3.7L, BFL, V8, Petrol | 8.5x18 | — | ET45 | 6.02 in | 255/45R18 | 5x112 | 57.1 mm | M14 x 1.5 |
| 3.7i · 3.7L, BFL, V8, Petrol | 9x19 | — | ET42 | 6.15 in | 255/40R19 | 5x112 | 57.1 mm | M14 x 1.5 |
| 3.7i · 3.7L, BFL, V8, Petrol | 9x20 | — | ET46 | 6.31 in | 265/35R20 | 5x112 | 57.1 mm | M14 x 1.5 |
| 4.2TDi · V8, Diesel | 8.5x18 | — | ET45 | 6.02 in | 255/45R18 | 5x112 | 57.1 mm | M14 x 1.5 |
| 4.2TDi · V8, Diesel | 8.5x19 | — | ET45 | 6.02 in | 255/40R19 | 5x112 | 57.1 mm | M14 x 1.5 |
| 4.2TDi · V8, Diesel | 9x20 | — | ET45 | 6.27 in | 265/35R20 | 5x112 | 57.1 mm | M14 x 1.5 |
| 6.0i · 6.0L, W12, Petrol | 9x19 | — | ET42 | 6.15 in | 255/40R19 | 5x112 | 57.1 mm | M14 x 1.5 |
| 6.0i · 6.0L, W12, Petrol | 9x20 | — | ET41 | 6.11 in | 255/35R20 | 5x112 | 57.1 mm | M14 x 1.5 |
| 6.0i · 6.0L, W12, Petrol | 9x20 | — | ET46 | 6.31 in | 275/35R20 | 5x112 | 57.1 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 A8
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.