Chevrolet Prizm - Problems, Statistics, and Analysis

Chevrolet Prizm owners have reported a total of 159 problems for their cars built in the 6 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 Chevrolet Prizm. The 2001 Chevrolet Prizm cars have the most problems reported (44 problems).

Table 1. Total number of problems by model year for Chevrolet Prizm

Model Year Number of Problems
  2002 Prizm
19
  2001 Prizm
44
  2000 Prizm
24
  1999 Prizm
44
  1998 Prizm
27
  1996 Prizm
1

  Common problems of Chevrolet Prizm

The following chart shows the 19 most common problems for Chevrolet Prizm cars. The number one most common problem is related to the vehicle's engine and engine cooling (33 problems). The second most common problem is related to the vehicle's air bags (26 problems).

Table 2. Common problems of Chevrolet Prizm

Problem Category Number of Problems
  Engine And Engine Cooling
33
  Air Bag
26
  Electrical System
16
  Tire
12
  Latches/locks/linkage
11
  Exterior Lighting
8
  Service Brakes
7
  Steering
7
  Suspension
6
  Structure
5
   
  Seats
5
  Vehicle Speed Control
5
  Seat Belt
5
  Power Train
4
  Visibility
2
  Wheel
2
  Other Fuel System
2
  Equipment
2
  Gasoline Fuel System
1

  Compare Reliability Across Model Years Using PPMY Index

It would not be fair to compare the Chevrolet Prizm 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 Prizm 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 Chevrolet Prizm 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 Prizm Model Years

Prizm
Model Year
Problems Sales [1] Vehicle
Age
PPMY Index
  2002 1928,19816    
0.04
  2001 4450,14117    
0.05
  2000 2438,92118    
0.03


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