2003 Chevrolet Impala problems and complaints
Owners have filed 722 complaints with NHTSA about the 2003 Chevrolet Impala. The most-reported areas: Electrical System (273), Exterior Lighting (106), Engine (88).
Key takeaways
- 722 owner complaints on file with NHTSA.
- 33 involve a crash, 32 a fire, 29 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Electrical System | 273 | 38% |
| Exterior Lighting | 106 | 15% |
| Engine | 88 | 12% |
| Engine And Engine Cooling | 82 | 11% |
| Service Brakes | 74 | 10% |
| Hydraulic | 54 | 7% |
| Air Bags | 41 | 6% |
| Steering | 32 | 4% |
| Power Train | 31 | 4% |
| Unknown Or Other | 24 | 3% |
| Vehicle Speed Control | 23 | 3% |
| Visibility | 20 | 3% |
One complaint can name several components, so shares add up to more than 100%.
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2003 Chevrolet Impala 4-DR | Not rated | Not rated | Not rated | Not rated |
| 2003 Chevrolet Impala 4-DR w/SAB | Not rated | Not rated | Not rated | Not rated |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Unknown Or Other - filed 2026-10-07
My understanding is that a rain leakage into the front passenger floor is a very common problem with 2003 and 2004 Chevy Impala's. This is a safety issue due to mold. My complaint is about the fact that this is not a safety recall under NHTSA that Chevy Dealers must repair at no cost. I have this issue and it is a bi...
Electrical System - filed 2024-11-12
My car sometimes cuts off while driving. Was on highway 301 running about 60 mph in the middle lane and just lost power no warning. No code no nothing. Sacred me, I truly feel that's a safety issue, for me and the cars behind me. It's bad not knowing when or where this will happen again.
Exterior Lighting - filed 2024-09-10
After I go back and forth between my bright headlights and regular All of a sudden my headlights shut off it happens after so many times going between them
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More for the 2003 Chevrolet Impala
Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.