Pre-purchase inspection checklist — 2015 Infiniti Q40
The 2015 Infiniti Q40 presents minimal issues based on recall and complaint data. Potential buyers should focus on airbag systems and electrical checks, as these areas show some concern. Overall, no major widespread issues are apparent, making it a decent used car option.
Known issues to inspect
Airbags may not deploy
How to check: Ensure airbag system warning lights aren't on
Faulty electronic stability control
How to check: Test ESC activation and monitor warning lights
Issues with unknown components
How to check: Ask seller about any undiagnosed electrical faults
Test-drive walkthrough
- 01
Cold start
What to check: Check for any warning lights on dashboard
Red flag: Persistent warning lights
- 02
First minute idling
What to check: Listen for abnormal engine sounds
Red flag: Loud knocks or ticking
- 03
Low speed
What to check: Test electronic stability control functionality
Red flag: ESC fails to activate
- 04
City driving
What to check: Observe responsiveness of steering
Red flag: Steering feels loose or delayed
- 05
Highway acceleration
What to check: Monitor acceleration smoothness and power
Red flag: Hesitation or power loss
- 06
Braking
What to check: Test brakes for responsiveness and noise
Red flag: Grinding or unresponsive brakes
Questions for the seller
Use this exact phrasing.
- Have all airbag recalls been addressed?
- Any known electrical issues unresolved?
- How's the stability control system performing?
- Have there been any recent accidents?
- Any warning lights ever come on?
Documents to request
Don't sign anything until you have these.
- Recall repair records
- Recent maintenance receipts
- Vehicle history report
- Title and registration papers
Generated by gpt-4o on 8/20/2026. Grounded in the NHTSA recall corpus and owner-complaint patterns for the 2015 Infiniti Q40.