Pre-purchase inspection checklist — 2014 Lexus Is
The 2014 Lexus IS is generally reliable but has some recurring issues with the engine, electrical system, and fuel system. Complaints indicate possible concerns with engine and electrical malfunctions, while recall data shows no new critical issues, making it a solid but not flawless used car choice.
Known issues to inspect
Engine stalling
How to check: Check for rough idling or stalling during test drive.
Electrical malfunctions
How to check: Verify all lights and electronics function properly.
Airbag deployment issues
How to check: Ensure no airbag warning lights are on.
Test-drive walkthrough
- 01
Cold start
What to check: Listen for rough idle or knocking sounds.
Red flag: Persistent knocking noise
- 02
First minute idling
What to check: Check for dashboard warning lights.
Red flag: Any warning light present
- 03
City driving
What to check: Test the responsiveness of the throttle.
Red flag: Delayed throttle response
- 04
Braking
What to check: Ensure smooth and consistent braking.
Red flag: Vibrations or noises when braking
- 05
Highway acceleration
What to check: Check for smooth acceleration and stability.
Red flag: Hesitation or lurching
- 06
Parking
What to check: Test all electrical components again.
Red flag: Malfunctioning electrical feature
Questions for the seller
Use this exact phrasing.
- Have you noticed any engine issues?
- Has the electrical system been reliable?
- Are there any unresolved recalls?
- Have the airbags been replaced or repaired?
- What is the repair history of this vehicle?
Documents to request
Don't sign anything until you have these.
- Service history records
- Accident history report
- Current registration papers
- Recall completion record
Generated by gpt-4o on 8/24/2026. Grounded in the NHTSA recall corpus and owner-complaint patterns for the 2014 Lexus Is.