Mazda MAZDA3 - Problems, Statistics, and Analysis

Mazda MAZDA3 owners have reported a total of 2,518 problems for their cars built in the 15 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 (691 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 (332 problems). The second most common problem is related to the vehicle's equipment (299 problems).

Table 2. Common problems of Mazda MAZDA3

Problem Category Number of Problems
  Steering
332
  Equipment
299
  Engine And Engine Cooling
201
  Air Bag
187
  Electrical System
169
  Power Train
153
  Service Brakes
148
  Visibility
135
  Wheel
131
  Seats
124
   
  Structure
114
  Exterior Lighting
108
  Tire
106
  Vehicle Speed Control
70
  Suspension
67
  Other Fuel System
45
  Electronic Stability Control
38
  Seat Belt
29
  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
  2017 1772,0931    
0.24
  2016 28111,4492    
0.13
  2015 73102,9793    
0.24
  2014 7594,6784    
0.20
  2013 119102,8805    
0.23
  2012 207141,7256    
0.24
  2011 11095,4637    
0.16
  2010 691155,1798    
0.56
  2009 12147,2489    
0.28
  2008 339131,98010    
0.26
  2007 243114,55911    
0.19
  2006 19998,04612    
0.17
  2005 11984,05313    
0.11
  2004 17077,36714    
0.16

  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
  2018 MAZDA3
5
  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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