Dodge Viper - Problems, Statistics, and Analysis

Dodge Viper owners have reported a total of 61 problems for their cars built in the 14 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 Dodge Viper. The 2004 Dodge Viper cars have the most problems reported (11 problems).

Table 1. Total number of problems by model year for Dodge Viper

  Common problems of Dodge Viper

The following chart shows the 14 most common problems for Dodge Viper cars. The number one most common problem is related to the vehicle's structure (10 problems). The second most common problem is related to the vehicle's steering (10 problems).

Table 2. Common problems of Dodge Viper

Problem Category Number of Problems
  Structure
10
  Steering
10
  Visibility
7
  Air Bag
6
  Suspension
5
  Electrical System
5
  Engine And Engine Cooling
5
  Power Train
4
  Equipment
2
  Service Brakes
2
   
  Seats
2
  Unknown Or Other
1
  Tire
1
  Gasoline Fuel System
1

  Compare Reliability Across Model Years Using PPMY Index

It would not be fair to compare the Dodge Viper 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 Viper 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 Dodge Viper 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 Viper Model Years

Viper
Model Year
Problems Sales [1] Vehicle
Age
PPMY Index
  2002 187416    
0.07
  2001 282817    
0.14
  2000 480418    
0.28


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