GMC W Series - Problems, Statistics, and Analysis

GMC W Series owners have reported a total of 21 problems for their cars built in the 9 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 GMC W Series. The 2007 GMC W Series cars have the most problems reported (6 problems).

Table 1. Total number of problems by model year for GMC W Series

  Common problems of GMC W Series

The following chart shows the 10 most common problems for GMC W Series cars. The number one most common problem is related to the vehicle's service brakes, hydraulic (6 problems). The second most common problem is related to the vehicle's fuel system, other (3 problems).

Table 2. Common problems of GMC W Series

Problem Category Number of Problems
  Service Brakes
6
  Other Fuel System
3
  Engine And Engine Cooling
3
  Steering
2
  Diesel Fuel System
2
  Suspension
1
  Unknown Or Other
1
  Wheel
1
  Tire
1
  Electrical System
1


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