Nissan 370Z - Problems, Statistics, and Analysis

Nissan 370Z owners have reported a total of 440 problems for their cars built in the 8 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 Nissan 370Z. The 2009 Nissan 370Z cars have the most problems reported (212 problems).

Table 1. Total number of problems by model year for Nissan 370Z

Model Year Number of Problems
  2017 370Z
3
  2015 370Z
2
  2014 370Z
6
  2013 370Z
16
  2012 370Z
17
  2011 370Z
55
  2010 370Z
129
  2009 370Z
212

  Common problems of Nissan 370Z

The following chart shows the 16 most common problems for Nissan 370Z cars. The number one most common problem is related to the vehicle's steering (156 problems). The second most common problem is related to the vehicle's electrical system (99 problems).

Table 2. Common problems of Nissan 370Z

Problem Category Number of Problems
  Steering
156
  Electrical System
99
  Power Train
89
  Engine And Engine Cooling
25
  Equipment
23
  Air Bag
13
  Other Fuel System
8
  Service Brakes
6
  Exterior Lighting
4
  Structure
3
   
  Vehicle Speed Control
3
  Wheel
3
  Electronic Stability Control
3
  Seats
2
  Gasoline Fuel System
2
  Suspension
1

  Compare Reliability Across Model Years Using PPMY Index

It would not be fair to compare the Nissan 370Z 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 370Z 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 Nissan 370Z 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 370Z Model Years

370Z
Model Year
Problems Sales [1] Vehicle
Age
PPMY Index
  2011 555,6268    
1.22
  2010 12910,9379    
1.31
  2009 21211,13010    
1.90

  Number of Problems Reported During the First Year

Another way to measure the reliability across the model years of the Nissan 370Z 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
  2017 370Z
2
  2014 370Z
1
  2013 370Z
1
  2012 370Z
2
  2010 370Z
1
  2009 370Z
6


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