Nissan 350Z - Problems, Statistics, and Analysis

Nissan 350Z owners have reported a total of 763 problems for their cars built in the 7 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 350Z. The 2003 Nissan 350Z cars have the most problems reported (325 problems).

Table 1. Total number of problems by model year for Nissan 350Z

Model Year Number of Problems
  2009 350Z
6
  2008 350Z
27
  2007 350Z
82
  2006 350Z
60
  2005 350Z
94
  2004 350Z
169
  2003 350Z
325

  Common problems of Nissan 350Z

The following chart shows the 23 most common problems for Nissan 350Z cars. The number one most common problem is related to the vehicle's suspension (149 problems). The second most common problem is related to the vehicle's power train (139 problems).

Table 2. Common problems of Nissan 350Z

Problem Category Number of Problems
  Suspension
149
  Power Train
139
  Engine And Engine Cooling
113
  Tire
96
  Air Bag
78
  Wheel
32
  Gasoline Fuel System
22
  Electrical System
19
  Visibility
16
  Equipment
15
   
  Service Brakes
14
  Structure
13
  Other Fuel System
12
  Steering
8
  Seats
8
  Latches/locks/linkage
6
  Vehicle Speed Control
6
  Unknown Or Other
5
  Exterior Lighting
5
  Seat Belt
3
  Electronic Stability Control
2
  Parking Brake
1
  Diesel Fuel System
1

  Compare Reliability Across Model Years Using PPMY Index

It would not be fair to compare the Nissan 350Z 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 350Z 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 350Z 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 350Z Model Years

350Z
Model Year
Problems Sales [1] Vehicle
Age
PPMY Index
  2009 650310    
1.19
  2008 2712,76311    
0.19
  2007 8215,98512    
0.43
  2006 6030,61613    
0.15
  2005 9427,10914    
0.25
  2004 16940,37015    
0.28
  2003 32539,29616    
0.52

  Number of Problems Reported During the First Year

Another way to measure the reliability across the model years of the Nissan 350Z 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
  2009 350Z
3
  2008 350Z
6
  2007 350Z
29
  2006 350Z
8
  2005 350Z
19
  2004 350Z
43
  2003 350Z
135


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