Toyota MR2 - Problems, Statistics, and Analysis

Toyota MR2 owners have reported a total of 44 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 Toyota MR2. The 2003 Toyota MR2 cars have the most problems reported (29 problems).

Table 1. Total number of problems by model year for Toyota MR2

Model Year Number of Problems
  2005 MR2
2
  2004 MR2
1
  2003 MR2
29
  2002 MR2
7
  2001 MR2
1
  2000 MR2
4

  Common problems of Toyota MR2

The following chart shows the 12 most common problems for Toyota MR2 cars. The number one most common problem is related to the vehicle's engine and engine cooling (12 problems). The second most common problem is related to the vehicle's power train (10 problems).

Table 2. Common problems of Toyota MR2

  Compare Reliability Across Model Years Using PPMY Index

It would not be fair to compare the Toyota MR2 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 MR2 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 Toyota MR2 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 MR2 Model Years

MR2
Model Year
Problems Sales [1] Vehicle
Age
PPMY Index
  2005 291213    
0.17
  2004 11,02314    
0.07
  2003 295,20915    
0.37
  2002 75,33516    
0.08
  2001 16,95017    
0.01
  2000 45,59718    
0.04


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