"How reliable is the 2018 Mazda Mazda6?"

"Based on 70 NHTSA complaints, the 2018 Mazda Mazda6 has a median complaint mileage of 10500 miles. The most common issue is ENGINE."

"What are common problems with the 2018 Mazda Mazda6?"

"The most frequently reported component in NHTSA complaints for the 2018 Mazda Mazda6 is ENGINE, accounting for a significant portion of the 70 total complaints filed."

2018 Mazda Mazda6: Reliability Data

Source: NHTSA — 70 complaints

Total Complaints

10,500mi

Median Mileage

ENGINE

Top Issue

Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

4,200 25th Percentile

10,500 Median Mileage

17,250 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ENGINE

UNKNOWN OR OTHER

POWER TRAIN

ELECTRICAL SYSTEM

SERVICE BRAKES

FUEL/PROPULSION SYSTEM

VISIBILITY/WIPER

STRUCTURE:BODY

FUEL SYSTEM, GASOLINE

SUSPENSION

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"2018 MAZDA 6. CONSUMER WRITES IN REGARDS TO DEFECTIVE RADIO. *LD *TR"

"EXCESSIVE PAINT CHIPPING. KNOW PROBLEM. NORMAL, EVERYDAY DRIVING; NO ROCKY ROADS, GRAVEL TRUCKS, ETC."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

When Were Complaints Filed?

Number of complaints by the year the issue occurred.

When Does Each Component Fail?

Median mileage at complaint for top components.

ENGINE 28 complaints

Median: 7,200 mi

POWER TRAIN 8 complaints

25th: 5,500 mi Median: 8,600 mi 75th: 10,250 mi

Where Are Complaints Coming From?

Top states by complaint count.

CA: 21 FL: 6 VA: 5 MD: 4 NE: 4 TX: 3 NY: 3 NC: 3 CO: 3 NJ: 2

Mazda Mazda6 — Other Years

See how this model compares across different model years.

Year	Complaints	Median Mileage	Top Issue	Crashes
2002	40	49,222	POWER TRAIN:AUTOMATIC TRANSMISSION	2
2003	245	24,981	AIR BAGS	14
2004	196	63,290	AIR BAGS	14
2005	180	57,500	AIR BAGS	13
2006	207	75,000	AIR BAGS	19
2007	184	77,500	AIR BAGS	18
2008	121	58,500	AIR BAGS	17
2009	526	91,000	STRUCTURE:BODY	9
2010	317	85,000	AIR BAGS	9
2011	182	89,000	SUSPENSION	13
2012	128	73,250	AIR BAGS	7
2013	34	50,000	SERVICE BRAKES	1
2014	195	40,200	ELECTRICAL SYSTEM	23
2015	78	22,000	SERVICE BRAKES	11
2016	107	34,000	UNKNOWN OR OTHER	19
2017	72	23,400	UNKNOWN OR OTHER	1

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28