2006 Cadillac STS Wheel Backspacing
5.76 in · 6.01 in · 5.97 in · 6.26 in · 6.27 in · 5.77 in
Quick specs
- Backspacing
- 5.76 in · 6.01 in · 5.97 in · 6.26 in · 6.27 in · 5.77 in
- OEM offset
- ET51 · ET50 · ET45
- Wheel size
- 7.5x17 · 8x18 · 8x19 · 8.5x18 · 8.5x19 · 9x19
- Tire size
- Multiple — see configurations
OEM configurations
| Configuration | Front | Rear | Offset | Backspacing | Tire | Bolt pattern | Center bore | Thread |
|---|---|---|---|---|---|---|---|---|
| 3.6i · 3.6L, LY7, V6, Petrol | 7.5x17 | 7.5x17 | ET51 | 5.76 in | 235/50R17 | 5x115 | 70.3 mm | M12 x 1.5 |
| 4.4i · 4.4L, LC3, V8, Petrol | 8x18 | 8.5x18 | ET51 | 6.01 in | 255/45R18 | 6x115 | 70.3 mm | M12 x 1.5 |
| 4.6i · 4.6L, LH2, V8, Petrol | 7.5x17 | 7.5x17 | ET51 | 5.76 in | 235/50R17 | 5x115 | 70.3 mm | M12 x 1.5 |
| 4.6i · 4.6L, LH2, V8, Petrol | 8x18 | 7.5x17 | ET51 | 6.01 in | 235/50R18 / 235/50R17 | 5x115 | 70.3 mm | M12 x 1.5 |
| 4.6i · 4.6L, LH2, V8, Petrol | 8x19 | 7.5x17 | ET50 / ET51 | 5.97 in | 235/40R19 / 235/50R17 | 5x115 | 70.3 mm | M12 x 1.5 |
| 4.6i · 4.6L, LH2, V8, Petrol | 8x19 | 7.5x17 | ET45 / ET51 | 5.77 in | 245/40R19 / 235/50R17 | 5x115 | 70.3 mm | M12 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 2006 Cadillac STS
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.