Pre-purchase inspection checklist — 2018 Mazda MAZDA6
The 2018 Mazda6 is a solid used car option, though it faces possible fuel pump and engine issues. Owners have reported stalling engines due to software errors, and fuel pump failures have led to recalls. Checking for proper updates and repairs on these components is crucial.
NHTSA data on file today
The 2018 Mazda MAZDA6 has 2 NHTSA recall campaigns and 59 owner complaints on file as of . Recall data is refreshed daily from NHTSA.
NCAP overall rating: 5.0 out of 5 stars, for the 1 NHTSA-tested trim.
Recall campaigns on file
- NHTSA #21V875000 Fuel Pump May Fail NHTSA notice
- NHTSA #19V497000 Software Error May Cause Engine Stall NHTSA notice
Most-cited components in owner complaints
- Engine 33 complaints
- Power Train 9 complaints
- Unknown or Other 9 complaints
- Electrical System 4 complaints
- Fuel/Propulsion System 4 complaints
- Service Brakes 4 complaints
Of the 59 complaints on file, 1 reports a crash and 1 a fire; across all 59 complaints, owners report 1 injury (owner-reported, not verified by NHTSA).
Known issues to inspect
Engine stalling
How to check: Ensure engine software has been updated to fix the stalling issue.
Fuel pump failure
How to check: Examine maintenance records for fuel pump replacement.
Powertrain problems
How to check: Check for unusual sounds or shifting issues when driving.
General electrical faults
How to check: Test all electronics, including lights and infotainment.
Test-drive walkthrough
- 01
Cold start
What to check: Check for long crank or stalling when starting.
Red flag: Difficult or failing start-up.
- 02
First minute idling
What to check: Listen for unusual engine noises or rough idling.
Red flag: Rough idle or knocking sounds.
- 03
Low-speed driving
What to check: Notice any hesitations or jerking when accelerating.
Red flag: Hesitation or jerking in response.
- 04
Highway acceleration
What to check: Ensure smooth and consistent engine power and response.
Red flag: Loss of power or surging issues.
- 05
Braking
What to check: Feel for vibrations or unusual sounds when braking.
Red flag: Vibration or grinding sound.
Questions for the seller
Use this exact phrasing.
- Has the fuel pump been replaced?
- Were any engine repairs made?
- Are there software updates on the PCM?
- Were there any transmission issues?
- Have all recalls been addressed?
Documents to request
Don't sign anything until you have these.
- Recall repair records
- Maintenance logs
- Engine software update logs
- Fuel pump replacement receipt
- PCM update documentation
Generated by gpt-4o on from the NHTSA recall campaigns and owner-complaint counts on file for the 2018 Mazda MAZDA6 at the time. AI output can be wrong; confirm anything you find with a mechanic.
Next step
Looking at a specific 2018 Mazda MAZDA6? Check the actual car
This checklist covers the model. From your free try.vin dashboard you can go further — paste the seller's listing for a deal score, or drop their photos for an AI condition report.