2003 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 2003 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) |
2003 Impala — Year-Specific Fitment Context
The 2003 Chevrolet Impala is in year 4 of 12 using the 5x115 pattern (2000–2011). Wheels from any 2000–2011 Chevrolet Impala are cross-compatible with the 2003 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 2003 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 |
Fitment Notes
The 2003 Chevrolet Impala has a bolt pattern of 5x115.
This means it is a 5 lug pattern with a circle diameter of 115mm. When shopping for aftermarket wheels, ensure the "lug pattern" or "PCD" matches these numbers.
Year-to-Year Fitment Context
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
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:
2003 Chevrolet Impala — Frequently Asked Questions
What is the bolt pattern for a 2003 Chevrolet Impala?
The 2003 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 2003?
The Chevrolet Impala uses the 5x115 pattern from 2000 through 2011. Wheels from any of these model years are dimensionally compatible with the 2003, provided the offset and center bore also match.
What is the center bore of a 2003 Chevrolet Impala?
The factory center bore (hub bore) for the 2003 Chevrolet Impala is 70.3mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
Can I use spacers on my 2003 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.
What does 44mm offset mean for the 2003 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.
How do I measure the bolt pattern on my 2003 Chevrolet?
The 2003 Impala uses a 5x115 pattern. For 4, 6, or 8-lug wheels, measure center-to-center across opposite holes. For 5-lug, measure from the center of one hole to the back of the opposite hole.
Fitment Checklist Before You Buy Wheels
- 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.
Editorial Fitment Notes
Chevrolet Impala has multiple wheel-fitment records across generations, so matching exact year and trim is important before ordering wheels.
- Observed production years in our database: 1994-2020 (24 model years).
- Observed bolt-pattern variants: 3 (5x115, 5x120, 5x127).
- Observed total offset span across years: 36.0 mm.
- Observed center-bore variants: 3 | lug-size variants: 3.
Data Quality & Review
Source note: Compiled from manufacturer fitment references, historical wheel data, and internal normalization rules.
Last reviewed: 2026-05-26 | Reviewed by: Bolt Pattern HQ Editorial Team
If you find a discrepancy for 2003 Chevrolet Impala, please report it via our About page contact so we can verify and update this record.