BestCarRank
Mazda

2018 Mazda MAZDA6

Problems, Recalls & Reliability Report

Above Average

Quick Summary

The 2018 Mazda MAZDA6 has 74 owner complaints filed with NHTSA — that's 0.9x the segment average of 78. The most common issue is engine problems (42% of all complaints), specifically: i made a stop at a traffic light and the green light change i pressed the gas and the mazda6 stalled and then dragged to take off which almost caused an accident.. There are 2 recalls issued for this model year. ⚠️ 3 fire reports filed.

3 fire reports

74

Total Complaints

2

Recalls Issued

5/5

Safety Stars

0.9x

vs Segment Avg

Known Problems(top 5 of 8)

ENGINE

31 complaints
42%
  • I MADE A STOP AT A TRAFFIC LIGHT AND THE GREEN LIGHT CHANGE I PRESSED THE GAS AND THE MAZDA6 STALLED AND THEN DRAGGED TO TAKE OFF WHICH ALMOST CAUSED AN ACCIDENT.
  • VEHIXLE HAS OPEN RECALL #3719F. TOOK VEHICLE IN FOR SERVICE ON JULY 15 AND ACCORDING TO NHTSA RECALL HAS EVEN OUT SINCE JUNE 27.2019. TO THIS DAY I HAVE NOT GOTTEN ANY LETTER OR ANYTHING STATING CAR HAS OPEN RECALL WHEN THE CAR CAN TURN OF RANDOMLY. WILL BE TAKING CAR IN ON 08/26/19 BUT I'M CONCERN
  • MY MAZDA6 SPONTANEOUSLY CAUGHT ON FIRE WHILE IT WAS PARKED ON A STREET AND COMPLETELY BURNED DOWN. THE FAULT/PROBLEM CAUSE IS UNKNOWN AT THIS TIME BUT I SUSPECT THERE WAS WIRING/ELECTRICAL FAULT AND MANUFACTURING AND DESIGN DEFECT. BOTH THE SHERIFF'S DEPARTMENT AND FIRE DEPARTMENT WERE INVOLVED IN A
Typical onset: 50K miles Est. repair: $500🔥 1 fire reports

I MADE A STOP AT A TRAFFIC LIGHT AND THE GREEN LIGHT CHANGE I PRESSED THE GAS AND THE MAZDA6 STALLED AND THEN DRAGGED TO TAKE OFF WHICH ALMOST CAUSED AN ACCIDENT.

— NHTSA complaint filing

When Problems Appear on the 2018 Mazda MAZDA6

Based on 22 owner complaints that included an odometer reading. Median mileage at time of complaint: 11K miles. Most complaints cluster in the 0-30K miles range.

Overall complaint distribution by mileage
0-30K
19
30-60K
1
60-100K
2
100-150K
0
150-200K
0
200K+
0

Mileage figures are self-reported by owners in NHTSA complaint filings. Peak bucket = the mileage range with the most complaints for that component; it reflects when owners noticed and reported problems, not necessarily when the fault first occurred.

Recalls (2)

FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP12/11/2021

Mazda North American Operations (Mazda) is recalling certain 2018 Mazda3, Mazda6, 2019 CX-3, 2018-2019 MX-5, CX-5, CX-9, and 2019-2020 Mazda2 vehicles. The impeller inside the low-pressure fuel pump may crack and deform, potentially causing the fuel pump to fail.

Risk: Fuel pump failure may cause an engine stall, increasing the risk of a crash.

Fix: Dealers will replace the fuel pumps, free of charge. Owner notification letters were mailed July 18, 2022. Owners may contact Mazda customer service at 1-800-222-5500 Option 4. Mazda's number for this recall is 5321K.

Estimated Insurance Cost for 2018 Mazda MAZDA6

Estimate only, not a quote. Modeled from NAIC + HLDI averages for a hypothetical 35-year-old driver with clean record + full coverage. Your actual quote depends heavily on your age, driving history, credit, ZIP code, and insurer.
Full coverage / year
$1,511
Full coverage / month
$126
Liability only / year
$574
vs US avg
-10%
How this estimate is calculated
US base full-coverage premium$1674
× state (US)1.00x
× vehicle class (sedan-midsize)0.96x
× theft risk1.00x
× safety rating0.94x
× vehicle age1.00x
= Full coverage estimate$1511

Coverage assumed: 100/300/100 liability + comprehensive/collision, $500 deductibles. Data sources: NAIC 2024 + HLDI loss studies.

Maintenance & Warranty

Recommended Mazda MAZDA6 Service Intervals

Oil change
8K mi / 12 mo
Tire rotation
8K mi
Brake fluid
24 months
Transmission fluid
60K mi
Engine coolant
120K mi
Spark plugs
60K mi
Cabin air filter
15K mi
Engine air filter
30K mi
Differential (AWD/4WD)
60K mi

SkyActiv-G naturally aspirated engines. AWD models need transfer case and rear differential service every 60K.

"Severe service" conditions (heavy towing, extreme temps, city stop-and-go) typically halve these intervals. Always consult your vehicle's owner's manual for the authoritative schedule.

Mazda New-Vehicle Warranty Coverage

Bumper-to-bumper (basic)
3 yr / 36K mi
Powertrain
5 yr / 60K mi
Hybrid/EV battery
8 yr / 100K mi
Corrosion (rust perforation)
5 yr / unlimited mi
Roadside assistance
3 yr / 36K mi

These are the terms for a new Mazda. If you're buying a used 2018 MAZDA6, remaining coverage is usually pro-rated from the vehicle's original in-service date. Not all coverage transfers between owners — check with a Mazda dealer for VIN-specific remaining warranty.

Estimated Repair Costs

ENGINE(~50K mi)
$500
OTHER(~50K mi)
$500
TRANSMISSION(~50K mi)
$500
FUEL SYSTEM(~50K mi)
$500
ELECTRICAL(~50K mi)
$500

Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.

🔍 Pre-Purchase Inspection Checklist

Based on 74 owner complaints for this specific year, here's what to check or ask about:

  • ENGINE: I MADE A STOP AT A TRAFFIC LIGHT AND THE GREEN LIGHT CHANGE I PRESSED THE GAS AND THE MAZDA6 STALLED AND THEN DRAGGED TO TAKE OFF WHICH ALMOST CAUSED AN ACCIDENT.

    Typically appears around 50K miles. Repair cost ~$500

  • OTHER: 2018 MAZDA 6. CONSUMER WRITES IN REGARDS TO DEFECTIVE RADIO. *LD *TR

    Typically appears around 50K miles. Repair cost ~$500

  • TRANSMISSION: VEHIXLE HAS OPEN RECALL #3719F. TOOK VEHICLE IN FOR SERVICE ON JULY 15 AND ACCORDING TO NHTSA RECALL HAS EVEN OUT SINCE JUNE 27.2019. TO THIS DAY I HAVE NOT GOTTEN ANY LETTER OR ANYTHING STATING CAR HAS OPEN RECALL WHEN THE CAR CAN TURN OF RANDOMLY. WILL BE TAKING CAR IN ON 08/26/19 BUT I'M CONCERN

    Typically appears around 50K miles. Repair cost ~$500

  • FUEL SYSTEM: The contact owns a 2018 Mazda Mazda6. The contact stated that while driving at low speeds, the vehicle would hesitate upon the depression of the accelerator pedal without warning. The contact then received notification of NHTSA Campaign Number: 21V875000 (Fuel System, Gasoline) however, the part to

    Typically appears around 50K miles. Repair cost ~$500

  • RECALLS: Verify all 2 recalls have been completed — free at any Mazda dealer
  • General: Get a pre-purchase inspection from an independent mechanic ($100-$200)

NHTSA Safety Rating

Overall
Frontal
Side
Rollover

At a Glance

Complaints
74
Recalls
2
Fire reports
3
Crash reports
0
Injury reports
0
Segment avg
78

Check a Specific VIN

See recalls for YOUR 2018 Mazda MAZDA6