2004 Chevrolet Impala Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2004 Chevrolet Impala, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x115 |
|---|---|
| Lug Nut / Bolt Size | N 12x1.50 |
| Center Bore (CB) | 70.3 mm |
| Offset (ET) | 44 |
| Torque Specs | 80 ft-lbs (108 Nm) |
2004 Impala — Year-Specific Fitment Context
The 2004 Chevrolet Impala is in year 5 of 12 using the 5x115 pattern (2000–2011). Wheels from any 2000–2011 Chevrolet Impala are cross-compatible with the 2004 model. Across its full production run (1994–2020), the Impala has also used: 5x120, 5x127.
Chevrolet Impala Bolt Pattern by Year
The table below shows how the Impala's wheel specifications have changed over the years. The 2004 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| 1994 | 5x127 | 78.3 | 8 |
| 1995 | 5x127 | 78.3 | 8 |
| 1996 | 5x127 | 78.3 | 8 |
| 2000 | 5x115 | 70.3 | 44 |
| 2001 | 5x115 | 70.3 | 44 |
| 2002 | 5x115 | 70.3 | 44 |
| 2003 | 5x115 | 70.3 | 44 |
| ▸ 2004 | 5x115 | 70.3 | 44 |
| 2005 | 5x115 | 70.3 | 44 |
| 2006 | 5x115 | 70.3 | 44 |
| 2007 | 5x115 | 70.3 | 44 |
| 2008 | 5x115 | 70.3 | 44 |
| 2009 | 5x115 | 70.3 | 44 |
| 2010 | 5x115 | 70.3 | 44 |
| 2011 | 5x115 | 70.3 | 44 |
| 2012 | 5x120 | 66.9 | 42 |
| 2013 | 5x120 | 66.9 | 42 |
| 2014 | 5x120 | 66.9 | 42 |
| 2015 | 5x120 | 66.9 | 42 |
| 2016 | 5x120 | 66.9 | 42 |
| 2017 | 5x120 | 66.9 | 42 |
| 2018 | 5x120 | 66.9 | 42 |
| 2019 | 5x120 | 66.9 | 40 |
| 2020 | 5x120 | 66.9 | 40 |
5x115 Pattern Context
This bolt pattern appears on 498 vehicles in our current database and is considered moderately common.
Examples of other vehicles using 5x115:
Expert Buying Guide for 2004 Chevrolet Impala
When selecting aftermarket wheels for your 2004 Chevrolet Impala, the 70.3mm center bore is critical. Most aftermarket wheels have a larger bore (73.1mm or 72.6mm), requiring hub-centric rings to prevent vibrations and ensure proper load distribution. The 44mm offset is sensitive; deviations beyond ±5mm may cause rubbing or clearance issues. Always verify lug nut compatibility: the Impala uses 12x1.50 thread pitch with a conical (60-degree) seat. Using incorrect lug nuts (e.g., ball seat) can lead to wheel loosening. For safety, re-torque lug nuts after 50-100 miles of driving.
Historical Fitment Data Reference
In our dataset, Chevrolet Impala appears from 1994 to 2020 (24 model years). Across model years, this model appears with 3 bolt patterns (5x115, 5x120, 5x127).
- Observed bolt-pattern variants for this model: 3
- Observed center-bore variants for this model: 3
- Observed lug-size variants for this model: 3
- Observed total offset span across years: 36.0 mm
Quick Tips & Safety Warnings
- ✅ Always use hub-centric rings if aftermarket wheels have a larger center bore than 70.3mm to avoid vibrations.
- ✅ Stick to offsets between 39mm and 49mm to prevent rubbing on suspension or fenders.
- ✅ Re-torque lug nuts to 100 ft-lbs after 50-100 miles, as recommended by Chevrolet.
- ⚠️ Verify thread pitch before installation; M12x1.25 and M12x1.5 are not interchangeable.
- ⚠️ Torque lugs in a star pattern to 80 ft-lbs (108 Nm), then re-check torque after 50-100 km (30-60 miles).
- ⚠️ This model has multiple bolt-pattern records across years. Match wheels to exact year/trim before purchase.
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2004 Chevrolet Impala — Frequently Asked Questions
What is the bolt pattern for a 2004 Chevrolet Impala?
The 2004 Chevrolet Impala uses a 5x115 bolt pattern (also called lug pattern or PCD). The center bore is 70.3mm and the offset is 44mm.
What other years of Chevrolet Impala have the same bolt pattern as the 2004?
The Chevrolet Impala uses the 5x115 pattern from 2000 through 2011. Wheels from any of these model years are dimensionally compatible with the 2004, provided the offset and center bore also match.
What is the center bore of a 2004 Chevrolet Impala?
The factory center bore (hub bore) for the 2004 Chevrolet Impala is 70.3mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
What does 44mm offset mean for the 2004 Impala?
An offset of 44mm means the wheel's mounting surface is 44mm away from its centerline. Changing this value drastically can affect suspension geometry and wheel bearing wear on your Chevrolet.
Why is matching the 70.3mm center bore important for the 2004 Impala?
The 70.3mm center bore ensures the wheel is perfectly centered on the hub. If the wheel is lug-centric instead of hub-centric, you may experience steering wheel vibration at highway speeds.
Can I use spacers on my 2004 Chevrolet Impala?
Yes, but ensure the wheel spacers match the 5x115 bolt pattern and 70.3mm center bore. Also verify that you have enough thread engagement for your N 12x1.50 hardware.
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