Mazda MAZDA3 - Problems, Statistics, and Analysis

Mazda MAZDA3 owners have reported a total of 2,732 problems for their cars built in the 16 model years listed in the chart below. The chart shows the number of problems reported across all service years for each given model year of the Mazda MAZDA3. The 2010 Mazda MAZDA3 cars have the most problems reported (729 problems).

Table 1. Total number of problems by model year for Mazda MAZDA3

  Common problems of Mazda MAZDA3

The following chart shows the 25 most common problems for Mazda MAZDA3 cars. The number one most common problem is related to the vehicle's steering (351 problems). The second most common problem is related to the vehicle's equipment (330 problems).

Table 2. Common problems of Mazda MAZDA3

Problem Category Number of Problems
  Steering
351
  Equipment
330
  Engine And Engine Cooling
215
  Air Bag
201
  Electrical System
191
  Power Train
172
  Service Brakes
169
  Visibility
147
  Wheel
136
  Seats
135
   
  Structure
122
  Exterior Lighting
120
  Tire
107
  Vehicle Speed Control
75
  Suspension
69
  Other Fuel System
51
  Electronic Stability Control
48
  Seat Belt
31
  Gasoline Fuel System
21
  Parking Brake
18
  Unknown Or Other
14
  Traction Control System
4
  Latches/locks/linkage
3
  Hybrid Propulsion System
1
  Air Brake
1

  Compare Reliability Across Model Years Using PPMY Index

It would not be fair to compare the Mazda MAZDA3 of an older model year to newer model years since older vehicles have been in service longer and thus are expected to have more problems. In order to compare the reliability across MAZDA3 model years, we use the PPMY index which is defined as the problems reported per thousand vehicles per Year. A smaller PPMY index indicates greater reliability of the given model year cars.

    PPMY = P / S / Y * 1000,

where P = total problems reported during the life of a Mazda MAZDA3 model year; S = total units sold of the model year; Y = years since the debut of the model year (the age of the vehicle).

The results are shown in Table 3.

Table 3. Use PPMY Index to Compare Reliability Across MAZDA3 Model Years

MAZDA3
Model Year
Problems Sales [1] Vehicle
Age
PPMY Index
  2018 2192,5011    
0.23
  2017 2272,0932    
0.15
  2016 41111,4493    
0.12
  2015 83102,9794    
0.20
  2014 9694,6785    
0.20
  2013 127102,8806    
0.21
  2012 235141,7257    
0.24
  2011 12495,4638    
0.16
  2010 729155,1799    
0.52
  2009 12647,24810    
0.27
  2008 352131,98011    
0.24
  2007 262114,55912    
0.19
  2006 20598,04613    
0.16
  2005 12084,05314    
0.10
  2004 17177,36715    
0.15

  Number of Problems Reported During the First Year

Another way to measure the reliability across the model years of the Mazda MAZDA3 is to use the total number of problems reported during the vehicle's first year in service, as shown in the Table 4.

Table 4. Number of problems in vehicle's; first service year

Model YearProblems Reported
  2019 MAZDA3
18
  2018 MAZDA3
11
  2017 MAZDA3
4
  2016 MAZDA3
6
  2015 MAZDA3
19
  2014 MAZDA3
31
  2013 MAZDA3
8
  2012 MAZDA3
33
  2011 MAZDA3
21
  2010 MAZDA3
48
  2009 MAZDA3
16
  2008 MAZDA3
27
  2007 MAZDA3
20
  2006 MAZDA3
23
  2005 MAZDA3
11
  2004 MAZDA3
45


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