2005 Buick LaCrosse Wheel Backspacing
5.30 in · 5.55 in · 5.72 in
Quick specs
- Backspacing
- 5.30 in · 5.55 in · 5.72 in
- OEM offset
- ET52 · ET50
- Wheel size
- 6.5x16 · 6.5x17 · 7x18 · 7.5x18
- Bolt pattern
- 5×115
- Tire size
- Multiple — see configurations
OEM configurations
| Configuration | Rim | Offset | Backspacing | Tire | Bolt pattern | Center bore | Thread |
|---|---|---|---|---|---|---|---|
| 3.6i · 3.6L, LY7, V6, Petrol | 6.5x16 | ET52 | 5.30 in | 225/60R16 | 5x115 | 70.3 mm | M12 x 1.5 |
| 3.6i · 3.6L, LY7, V6, Petrol | 6.5x17 | ET52 | 5.30 in | 225/55R17 | 5x115 | 70.3 mm | M12 x 1.5 |
| 3.6i · 3.6L, LY7, V6, Petrol | 7x18 | ET52 | 5.55 in | 235/50R18 | 5x115 | 70.3 mm | M12 x 1.5 |
| 3.6i · 3.6L, LY7, V6, Petrol | 7.5x18 | ET50 | 5.72 in | 245/45R18 | 5x115 | 70.3 mm | M12 x 1.5 |
| 3.8i · 3.8L, L26, V6, Petrol | 6.5x16 | ET52 | 5.30 in | 225/60R16 | 5x115 | 70.3 mm | M12 x 1.5 |
| 3.8i · 3.8L, L26, V6, Petrol | 6.5x16 | ET52 | 5.30 in | 225/55R16 | 5x115 | 70.3 mm | M12 x 1.5 |
| 3.8i · 3.8L, L26, V6, Petrol | 7x18 | ET52 | 5.55 in | 235/50R18 | 5x115 | 70.3 mm | M12 x 1.5 |
| 3.8i · 3.8L, L26, V6, Petrol | 7.5x18 | ET50 | 5.72 in | 245/45R18 | 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 2005 Buick LaCrosse
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.