1999 Buick Regal Wheel Offset
Quick specs
- Wheel size
- 6x15 · 6.5x16 · 7x16
- Backspacing
- Multiple — see configurations
- Bolt pattern
- 5×115
- Center bore
- 70.3 mm
- Thread
- M12×1.5, 1/2"-20 UNF
- Tire size
- 215/70R15 · 225/60R16
OEM configurations
| Configuration | Rim | Offset | Backspacing | Tire | Bolt pattern | Center bore | Thread |
|---|---|---|---|---|---|---|---|
| 3.8 · L36, V6, Petrol | 6x15 | ET38 | 4.50 in | 215/70R15 | 5x115 | 70.3 mm | 1/2" - 20 UNF |
| 3.8 · L36, V6, Petrol | 6.5x16 | ET42 | 4.90 in | 225/60R16 | 5x115 | 70.3 mm | 1/2" - 20 UNF |
| 3.8 · L36, V6, Petrol | 7x16 | ET44 | 5.23 in | 225/60R16 | 5x115 | 70.3 mm | 1/2" - 20 UNF |
| 3.8SC · L67, V6, Petrol | 6x15 | ET38 | 4.50 in | 215/70R15 | 5x115 | 70.3 mm | 1/2" - 20 UNF |
| 3.8SC · L67, V6, Petrol | 6.5x16 | ET42 | 4.90 in | 225/60R16 | 5x115 | 70.3 mm | 1/2" - 20 UNF |
| 3.8SC · L67, V6, Petrol | 7x16 | ET44 | 5.23 in | 225/60R16 | 5x115 | 70.3 mm | 1/2" - 20 UNF |
| 2.0i · I4, Petrol | 6x15 | ET44 | 4.73 in | 215/70R15 | 5x115 | 70.3 mm | M12 x 1.5 |
| 2.5i · I4, Petrol | 6x15 | ET44 | 4.73 in | 215/70R15 | 5x115 | 70.3 mm | M12 x 1.5 |
| 3.0i · V6, Petrol | 6.5x16 | ET52 | 5.30 in | 225/60R16 | 5x115 | 70.3 mm | M12 x 1.5 |
Lug hardware
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White Knight 1707SBK-20AM Black Chrome M12x1.50 Bulge Acorn Lug Nut, 20 Pack
Catalog match for this vehicle. Confirm seat type and wheel style before buying.
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White Knight 1707S-20AM Chrome M12x1.50 Bulge Acorn Lug Nut, 20 Pack
Catalog match for this vehicle. Confirm seat type and wheel style before buying.
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MIKKUPPA M12x1.5 Lug Nuts - Replacement for 2006-2019 Ford Fusion, 2000-2019 Ford Focus, 2001-2019 Ford Escape Aftermarket Wheel - 20pcs Chrome Closed End Lug Nuts
Catalog match for this vehicle. Confirm seat type and wheel style before buying.
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Compare your own setup
See how a different width or offset sits versus an OEM configuration for this year.
More specs for the 1999 Buick Regal
Each OEM row is a catalog configuration. Offset ranges are not collapsed when the database has exact setups. Documented aftermarket builds are observed setups only — not universal fit or clearance confirmation.