Buick Lacrosse - Problems, Statistics, and Analysis

Buick Lacrosse owners have reported a total of 2,078 problems for their cars built in the 14 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 Buick Lacrosse. The 2005 Buick Lacrosse cars have the most problems reported (352 problems).

Table 1. Total number of problems by model year for Buick Lacrosse

  Common problems of Buick Lacrosse

The following chart shows the 24 most common problems for Buick Lacrosse cars. The number one most common problem is related to the vehicle's electrical system (444 problems). The second most common problem is related to the vehicle's exterior lighting (436 problems).

Table 2. Common problems of Buick Lacrosse

Problem Category Number of Problems
  Electrical System
444
  Exterior Lighting
436
  Air Bag
204
  Engine And Engine Cooling
177
  Steering
149
  Service Brakes
94
  Power Train
91
  Equipment
83
  Vehicle Speed Control
58
  Structure
55
   
  Electronic Stability Control
49
  Visibility
48
  Suspension
43
  Seats
33
  Other Fuel System
27
  Wheel
22
  Latches/locks/linkage
19
  Seat Belt
13
  Tire
11
  Unknown Or Other
10
  Gasoline Fuel System
5
  Interior Lighting
3
  Traction Control System
2
  Air Brake
2

  Compare Reliability Across Model Years Using PPMY Index

It would not be fair to compare the Buick Lacrosse 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 Lacrosse 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 Buick Lacrosse 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 Lacrosse Model Years

Lacrosse
Model Year
Problems Sales [1] Vehicle
Age
PPMY Index
  2018 23,1671    
0.63
  2017 932,3152    
0.14
  2016 1632,3173    
0.17
  2015 2242,1554    
0.13
  2014 4646,9515    
0.20
  2013 7854,4166    
0.24
  2012 14960,8917    
0.35
  2011 15462,5338    
0.31
  2010 21055,8619    
0.42
  2009 13518,53210    
0.73
  2008 29541,96611    
0.64
  2007 28254,93812    
0.43
  2006 32876,03413    
0.33
  2005 35281,89414    
0.31

  Number of Problems Reported During the First Year

Another way to measure the reliability across the model years of the Buick Lacrosse 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 Lacrosse
2
  2017 Lacrosse
4
  2016 Lacrosse
5
  2015 Lacrosse
7
  2014 Lacrosse
9
  2013 Lacrosse
16
  2012 Lacrosse
28
  2011 Lacrosse
24
  2010 Lacrosse
32
  2009 Lacrosse
6
  2008 Lacrosse
13
  2007 Lacrosse
12
  2006 Lacrosse
13
  2005 Lacrosse
31


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