Chevrolet Express 1500 - Problems, Statistics, and Analysis

Chevrolet Express 1500 owners have reported a total of 111 problems for their cars built in the 15 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 1500. The 2003 Chevrolet Express 1500 cars have the most problems reported (18 problems).

  Common problems of Chevrolet Express 1500

The following chart shows the 19 most common problems for Chevrolet Express 1500 cars. The number one most common problem is related to the vehicle's air bags (14 problems). The second most common problem is related to the vehicle's service brakes, hydraulic (14 problems).

Table 2. Common problems of Chevrolet Express 1500

Problem Category Number of Problems
  Air Bag
14
  Service Brakes
14
  Electrical System
10
  Structure
9
  Engine And Engine Cooling
8
  Tire
7
  Other Fuel System
7
  Gasoline Fuel System
6
  Seats
5
  Equipment
4
   
  Latches/locks/linkage
4
  Seat Belt
4
  Visibility
4
  Power Train
4
  Vehicle Speed Control
3
  Exterior Lighting
3
  Steering
3
  Wheel
1
  Suspension
1

  Compare Reliability Across Model Years Using PPMY Index

It would not be fair to compare the Chevrolet Express 1500 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 1500 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 1500 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 1500 Model Years

Express 1500
Model Year
Problems Sales [1] Vehicle
Age
PPMY Index
  2014 917,4444    
0.13
  2012 317,5476    
0.03
  2010 612,4148    
0.06
  2009 613,2989    
0.05
  2008 824,83910    
0.03
  2007 527,52011    
0.02
  2006 430,19712    
0.01
  2005 1027,51613    
0.03
  2004 1328,52514    
0.03
  2003 1825,38715    
0.05
  2002 1026,13516    
0.02
  2001 524,47917    
0.01
  2000 636,31118    
0.01


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