2015 Buick LaCrosse Wheel Offset
ET42 · ET40
Quick specs
- OEM offset
- ET42 · ET40
- Wheel size
- 7x17 · 8x18 · 8.5x20 · 8.5x19
- Backspacing
- 5.15 in · 5.65 in · 5.82 in
- Bolt pattern
- 5×120
- Center bore
- 66.9 mm
- Tire size
- Multiple — see configurations
OEM configurations
| Configuration | Front | Rear | Offset | Backspacing | Tire | Bolt pattern | Center bore | Thread |
|---|---|---|---|---|---|---|---|---|
| 2.4i · 2.4L, I4, Hybrid | 7x17 | 8.5x19 | ET42 / ET40 | 5.15 in | 235/55R17 / 245/45R19 | 5x120 | 66.9 mm | M14 x 1.5 |
| 2.4i · 2.4L, I4, Hybrid | 8x18 | 8.5x19 | ET42 / ET40 | 5.65 in | 235/50R18 / 245/45R19 | 5x120 | 66.9 mm | M14 x 1.5 |
| 2.4i · 2.4L, I4, Hybrid | 8.5x20 | 8.5x19 | ET40 | 5.82 in | 245/40R20 / 245/45R19 | 5x120 | 66.9 mm | M14 x 1.5 |
| 3.6i · 3.6L, V6, Petrol | 8x18 | 8x18 | ET42 | 5.65 in | 235/50R18 / 245/50R18 | 5x120 | 66.9 mm | M14 x 1.5 |
| 3.6i · 3.6L, V6, Petrol | 8.5x20 | 8x18 | ET40 / ET42 | 5.82 in | 245/40R20 / 245/50R18 | 5x120 | 66.9 mm | M14 x 1.5 |
| 2.0T · 2.0L, I4, Petrol | 8x18 | 8x18 | ET42 | 5.65 in | 235/50R18 / 245/50R18 | 5x120 | 66.9 mm | M14 x 1.5 |
| 2.0T · 2.0L, I4, Petrol | 8.5x20 | 8x18 | ET40 / ET42 | 5.82 in | 245/40R20 / 245/50R18 | 5x120 | 66.9 mm | M14 x 1.5 |
| 2.4i · 2.4L, I4, Petrol | 7x17 | 8.5x19 | ET42 / ET40 | 5.15 in | 235/55R17 / 245/45R19 | 5x120 | 66.9 mm | M14 x 1.5 |
| 2.4i · 2.4L, I4, Petrol | 7x17 | 8.5x19 | ET42 / ET40 | 5.15 in | 245/50R17 / 245/45R19 | 5x120 | 66.9 mm | M14 x 1.5 |
| 2.4i · 2.4L, I4, Petrol | 8x18 | 8.5x19 | ET42 / ET40 | 5.65 in | 235/50R18 / 245/45R19 | 5x120 | 66.9 mm | M14 x 1.5 |
See how a different wheel would sit See wheel backspacing
What happens if you change the offset?
Compare your own setup
See how a different width or offset sits versus an OEM configuration for this year.
Wheels and hardware for this vehicle
More on AmazonLug hardware
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White Knight 1309-1S-20AM Chrome M14x1.50 Open-End Bulge Acorn Lug Nut, 20 Pack
Confirmed vehicle catalog match. Confirm seat type for your wheel.
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White Knight 1709D-4 Chrome Duplex Bulge Lug Nut for Chevy/Dodge/Chrysler - 4 Piece
Confirmed vehicle catalog match. Confirm seat type for your wheel.
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White Knight 3809L-20AM Chrome M14 x 1.50 Duplex Spline Lug Nut, 20 Pack
Confirmed vehicle catalog match. Confirm seat type for your wheel.
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Wheel locks
More on AmazonMore specs for the 2015 Buick LaCrosse
OEM offsets are catalog configurations, not an aftermarket “safe ET range.” Matching offset alone does not confirm clearance. Documented custom builds are observed setups only.