Pre-purchase inspection checklist — 2003 Lexus Is
The 2003 Lexus IS stands out as a reliable used vehicle, with minimal recall activity. However, buyer attention is critical on common issues such as structure, airbags, and engine performance indicated by owner complaints.
Known issues to inspect
Structure weaknesses
How to check: Inspect for rust or damage on body panels and doors.
Airbag deployment problems
How to check: Check for any airbag warning lights on dash.
Engine performance issues
How to check: Listen for unusual noises or vibrations.
Test-drive walkthrough
- 01
Cold start
What to check: Check for smooth starting without noises.
Red flag: Hard start or knocking sounds
- 02
First minute idling
What to check: Ensure idle is steady and quiet.
Red flag: Rough idle or stalling
- 03
City driving
What to check: Monitor for smooth gear shifts.
Red flag: Jerky or delayed shifting
- 04
Highway acceleration
What to check: Check acceleration response and power.
Red flag: Weak or delayed acceleration
- 05
Hard brake
What to check: Ensure responsive and noise-free braking.
Red flag: Squealing or poor stopping power
- 06
Cornering at speed
What to check: Check suspension stability and noises.
Red flag: Body roll or knocking noises
Questions for the seller
Use this exact phrasing.
- Has the airbag system been inspected?
- Any previous structural repairs done?
- Are there any current engine issues?
- What's the service history like?
Documents to request
Don't sign anything until you have these.
- Service and maintenance records
- Airbag inspection reports
- Title and registration documents
Generated by gpt-4o on 8/18/2026. Grounded in the NHTSA recall corpus and owner-complaint patterns for the 2003 Lexus Is.