Buick Lacrosse - Problems, Statistics, and Analysis

Buick Lacrosse owners have reported a total of 2,026 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 (348 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 (437 problems). The second most common problem is related to the vehicle's exterior lighting (427 problems).

Table 2. Common problems of Buick Lacrosse

Problem Category Number of Problems
  Electrical System
437
  Exterior Lighting
427
  Air Bag
196
  Engine And Engine Cooling
170
  Steering
145
  Service Brakes
90
  Power Train
90
  Equipment
83
  Vehicle Speed Control
55
  Structure
54
   
  Electronic Stability Control
48
  Visibility
46
  Suspension
43
  Seats
32
  Other Fuel System
24
  Wheel
22
  Latches/locks/linkage
19
  Seat Belt
12
  Tire
11
  Unknown Or Other
10
  Gasoline Fuel System
5
  Interior Lighting
3
  Air Brake
2
  Traction Control System
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
  2017 932,3151    
0.28
  2016 1432,3172    
0.22
  2015 1842,1553    
0.14
  2014 4546,9514    
0.24
  2013 7754,4165    
0.28
  2012 13960,8916    
0.38
  2011 14462,5337    
0.33
  2010 20755,8618    
0.46
  2009 13018,5329    
0.78
  2008 29441,96610    
0.70
  2007 28154,93811    
0.46
  2006 31976,03412    
0.35
  2005 34881,89413    
0.33

  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
1
  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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