Chevrolet Express 2500 - Problems, Statistics, and Analysis

Chevrolet Express 2500 owners have reported a total of 88 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 Chevrolet Express 2500. The 2006 Chevrolet Express 2500 cars have the most problems reported (15 problems).

  Common problems of Chevrolet Express 2500

The following chart shows the 20 most common problems for Chevrolet Express 2500 cars. The number one most common problem is related to the vehicle's service brakes, hydraulic (13 problems). The second most common problem is related to the vehicle's steering (8 problems).

Table 2. Common problems of Chevrolet Express 2500

Problem Category Number of Problems
  Service Brakes
13
  Steering
8
  Electrical System
8
  Engine And Engine Cooling
7
  Structure
7
  Tire
6
  Air Bag
6
  Suspension
6
  Power Train
4
  Equipment
4
   
  Wheel
3
  Gasoline Fuel System
3
  Exterior Lighting
3
  Unknown Or Other
2
  Other Fuel System
2
  Vehicle Speed Control
2
  Latches/locks/linkage
1
  Electronic Stability Control
1
  Seat Belt
1
  Child Seat
1

  Compare Reliability Across Model Years Using PPMY Index

It would not be fair to compare the Chevrolet Express 2500 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 Express 2500 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 Express 2500 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 Express 2500 Model Years

Express 2500
Model Year
Problems Sales [1] Vehicle
Age
PPMY Index
  2015 128,1464    
0.01
  2011 324,7528    
0.02
  2010 1121,8639    
0.06
  2009 223,36610    
0.01
  2008 734,12511    
0.02
  2007 739,81512    
0.01
  2006 1545,14013    
0.03
  2005 943,05714    
0.01
  2004 826,57215    
0.02
  2003 1525,75316    
0.04
  2002 121,55117    
0.00
  2001 222,08818    
0.01
  2000 223,11319    
0.00


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