Chevrolet Colorado - Problems, Statistics, and Analysis

Chevrolet Colorado owners have reported a total of 1,825 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 Colorado. The 2004 Chevrolet Colorado cars have the most problems reported (372 problems).

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

  Common problems of Chevrolet Colorado

The following chart shows the 26 most common problems for Chevrolet Colorado cars. The number one most common problem is related to the vehicle's electrical system (351 problems). The second most common problem is related to the vehicle's service brakes, hydraulic (216 problems).

Table 2. Common problems of Chevrolet Colorado

Problem Category Number of Problems
  Electrical System
351
  Service Brakes
216
  Engine And Engine Cooling
185
  Power Train
172
  Exterior Lighting
136
  Air Bag
132
  Steering
106
  Equipment
90
  Structure
72
  Suspension
48
   
  Other Fuel System
46
  Vehicle Speed Control
43
  Electronic Stability Control
41
  Tire
34
  Seat Belt
29
  Visibility
28
  Gasoline Fuel System
22
  Latches/locks/linkage
20
  Unknown Or Other
19
  Wheel
14
  Parking Brake
9
  Seats
6
  Traction Control System
2
  Back Over Prevention
2
  Child Seat
1
  Air Brake
1

  Compare Reliability Across Model Years Using PPMY Index

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

Colorado
Model Year
Problems Sales [1] Vehicle
Age
PPMY Index
  2018 2556,1881    
0.44
  2017 4482,5542    
0.27
  2016 154129,4953    
0.40
  2015 18264,4584    
0.71
  2012 3850,7657    
0.11
  2011 3325,2838    
0.16
  2010 4025,0739    
0.18
  2009 7128,28710    
0.25
  2008 9866,65411    
0.13
  2007 16070,91712    
0.19
  2006 252104,68813    
0.19
  2005 353136,99414    
0.18
  2004 37293,46215    
0.27

  Number of Problems Reported During the First Year

Another way to measure the reliability across the model years of the Chevrolet Colorado is to use the total number of problems reported during the vehicle's first year in service, as shown in the Table 4.

Table 4. Number of problems in vehicle's; first service year

Model YearProblems Reported
  2018 Colorado
20
  2017 Colorado
22
  2016 Colorado
75
  2015 Colorado
48
  2012 Colorado
9
  2011 Colorado
1
  2010 Colorado
2
  2009 Colorado
3
  2008 Colorado
9
  2007 Colorado
15
  2006 Colorado
20
  2005 Colorado
54
  2004 Colorado
60


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