YearToAvoid

2020 Mazda Mazda6 Reliability Data: Problems & Recalls

No verdict The 2020 Mazda Mazda6 has 2 owner complaints and 0 safety recalls on file with NHTSA. Its Complaint Index is 0 out of 100 — #17 highest of 17 Mazda6 model years. The most reported problem area is brakes (1 complaints, 50% of the total).

Based on NHTSA complaints per model-year, not a reliability rating. Methodology

YearToAvoid Scorecard

Complaint Index
0/100
#17 of 17 Mazda6 years
Verdict
No verdict
vs. other years of this model
Complaints
2
unique NHTSA reports
Recalls
0
distinct NHTSA campaigns
Crashes
0
reported in complaints
Fires
0
Injuries
0
Top issue
Brakes
Best nearby year
2021
rated Best
NHTSA overall rating
5 / 5 ★
EPA combined MPG
27.5
24.5 city / 33 hwy
Injuries / deaths
0 / 0

Top 2020 Mazda Mazda6 problems

Share of this year’s NHTSA complaints by component group. Groups with 15+ complaints have their own page.

  1. Brakes1 (50%)
  2. Engine1 (50%)
  3. Structure & Body1 (50%)

A complaint can list more than one component, so shares add up to more than 100%. Shares are % of complaints.

2020 Mazda Mazda6 complaints: complaints filed per month1Nov 2020Feb 2023
2 complaints filed with NHTSA from Nov 2020 to Feb 2023; peak Nov 2020 (1).

2020 Mazda Mazda6 recalls

No safety recalls on record for this model year.

2020 Mazda Mazda6 fuel economy and fuel cost

City
24.5 MPG
Highway
33 MPG
Combined
27.5 MPG
Annual fuel cost (EPA)
$2,375
15,000 mi/yr
Fuel
Regular
Current regular gas
$4.32/gal
national avg.

EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.

2020 compared with other Mazda6 years

Complaint Index by model year (0 = fewest issues, 100 = most)0255075100’05’06’07’08’09’10’11’12’13’14’15’16’17’18’19’20’21
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2018Good3158227
2019Best66127
2020No verdict02027.5
2021Best1317027.5

All Mazda Mazda6 years: best and worst →

Frequently asked questions

Is the 2020 Mazda Mazda6 a reliable year?
Judged by NHTSA owner complaints and recalls, the 2020 Mazda Mazda6 ranks #17 of 17 among Mazda6 model years (Complaint Index 0/100). It has 2 complaints and 0 recalls on file. This reflects reported safety-related problems, not an overall reliability rating.
What are the most common problems with the 2020 Mazda Mazda6?
The most reported problem areas are brakes (1 complaints), engine (1 complaints), and structure & body (1 complaints). The median mileage at the time of failure in complaints that report it is 2,000 miles.
Does the 2020 Mazda Mazda6 have any recalls?
No safety recall campaigns list the 2020 Mazda Mazda6 in NHTSA’s recall database at the time of the last data update.
What is the fuel economy of the 2020 Mazda Mazda6?
EPA rates the 2020 Mazda Mazda6 at 27.5 MPG combined (24.5 city / 33 highway), with an estimated annual fuel cost of $2,375. Where several configurations exist, the median is shown.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.