Hyundai XG350 - Problems, Statistics, and Analysis

Hyundai XG350 owners have reported a total of 391 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 Hyundai XG350. The 2005 Hyundai XG350 cars have the most problems reported (166 problems).

Table 1. Total number of problems by model year for Hyundai XG350

Model Year Number of Problems
  2006 XG350
1
  2005 XG350
166
  2004 XG350
117
  2003 XG350
27
  2002 XG350
77
  2001 XG350
3

  Common problems of Hyundai XG350

The following chart shows the 21 most common problems for Hyundai XG350 cars. The number one most common problem is related to the vehicle's air bags (116 problems). The second most common problem is related to the vehicle's vehicle speed control (72 problems).

Table 2. Common problems of Hyundai XG350

Problem Category Number of Problems
  Air Bag
116
  Vehicle Speed Control
72
  Engine And Engine Cooling
29
  Service Brakes
28
  Suspension
26
  Electrical System
24
  Structure
20
  Power Train
20
  Gasoline Fuel System
11
  Steering
7
   
  Equipment
7
  Other Fuel System
7
  Exterior Lighting
6
  Seat Belt
3
  Visibility
3
  Tire
3
  Wheel
2
  Latches/locks/linkage
2
  Seats
2
  Unknown Or Other
2
  Parking Brake
1

  Compare Reliability Across Model Years Using PPMY Index

It would not be fair to compare the Hyundai XG350 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 XG350 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 Hyundai XG350 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 XG350 Model Years

XG350
Model Year
Problems Sales [1] Vehicle
Age
PPMY Index
  2005 16620,10113    
0.64
  2004 11724,34014    
0.34
  2003 278,86415    
0.20
  2002 7718,52616    
0.26

  Number of Problems Reported During the First Year

Another way to measure the reliability across the model years of the Hyundai XG350 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
  2005 XG350
26
  2004 XG350
4
  2003 XG350
3
  2002 XG350
10


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