2009 Buick Lucerne Wheel Backspacing
5.31 in · 5.76 in
Quick specs
- Backspacing
- 5.31 in · 5.76 in
- OEM offset
- ET46 · ET51
- Wheel size
- 7x17 · 7.5x18
- Bolt pattern
- 5×115
- Tire size
- 235/55R17 · 245/50R18
OEM configurations
| Configuration | Front | Rear | Offset | Backspacing | Tire | Bolt pattern | Center bore | Thread |
|---|---|---|---|---|---|---|---|---|
| 3.9 · V6, Petrol | 7x17 | — | ET46 | 5.31 in | 235/55R17 | 5x115 | 70.3 mm | M12 x 1.5 |
| 4.6 · V8, Petrol | 7.5x18 | 7.5x18 | ET51 | 5.76 in | 245/50R18 | 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 2009 Buick Lucerne
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.