Chevrolet Uplander - Problems, Statistics, and Analysis

Chevrolet Uplander owners have reported a total of 692 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 Chevrolet Uplander. The 2005 Chevrolet Uplander cars have the most problems reported (216 problems).

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

Model Year Number of Problems
  2009 Uplander
4
  2008 Uplander
155
  2007 Uplander
125
  2006 Uplander
191
  2005 Uplander
216
  1999 Uplander
1

  Common problems of Chevrolet Uplander

The following chart shows the 25 most common problems for Chevrolet Uplander cars. The number one most common problem is related to the vehicle's electrical system (132 problems). The second most common problem is related to the vehicle's structure (78 problems).

Table 2. Common problems of Chevrolet Uplander

Problem Category Number of Problems
  Electrical System
132
  Structure
78
  Latches/locks/linkage
64
  Service Brakes
54
  Equipment
38
  Steering
35
  Electronic Stability Control
31
  Engine And Engine Cooling
31
  Power Train
29
  Gasoline Fuel System
27
   
  Suspension
27
  Other Fuel System
22
  Air Bag
20
  Exterior Lighting
19
  Seat Belt
15
  Wheel
13
  Visibility
11
  Vehicle Speed Control
11
  Unknown Or Other
10
  Tire
8
  Seats
7
  Traction Control System
4
  Interior Lighting
3
  Parking Brake
2
  Child Seat
1

  Compare Reliability Across Model Years Using PPMY Index

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

Uplander
Model Year
Problems Sales [1] Vehicle
Age
PPMY Index
  2008 15573,08410    
0.21
  2007 12561,55911    
0.18
  2006 19162,51612    
0.25
  2005 21652,71313    
0.32

  Number of Problems Reported During the First Year

Another way to measure the reliability across the model years of the Chevrolet Uplander 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
  2009 Uplander
1
  2008 Uplander
15
  2007 Uplander
11
  2006 Uplander
41
  2005 Uplander
37


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