Toyota Highlander Hybrid - Problems, Statistics, and Analysis

Toyota Highlander Hybrid owners have reported a total of 955 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 Toyota Highlander Hybrid. The 2006 Toyota Highlander Hybrid cars have the most problems reported (447 problems).

  Common problems of Toyota Highlander Hybrid

The following chart shows the 22 most common problems for Toyota Highlander Hybrid cars. The number one most common problem is related to the vehicle's service brakes, hydraulic (309 problems). The second most common problem is related to the vehicle's electrical system (137 problems).

Table 2. Common problems of Toyota Highlander Hybrid

Problem Category Number of Problems
  Service Brakes
309
  Electrical System
137
  Engine And Engine Cooling
86
  Vehicle Speed Control
55
  Electronic Stability Control
53
  Hybrid Propulsion System
52
  Equipment
45
  Steering
37
  Power Train
36
  Other Fuel System
30
   
  Exterior Lighting
16
  Visibility
16
  Tire
16
  Unknown Or Other
15
  Structure
14
  Air Bag
13
  Wheel
9
  Suspension
6
  Traction Control System
5
  Seat Belt
2
  Seats
2
  Gasoline Fuel System
1

  Compare Reliability Across Model Years Using PPMY Index

It would not be fair to compare the Toyota Highlander Hybrid 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 Highlander Hybrid 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 Toyota Highlander Hybrid 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 Highlander Hybrid Model Years

Highlander Hybrid
Model Year
Problems Sales [1] Vehicle
Age
PPMY Index
  2018 73,9441    
1.77
  2017 914,6742    
0.31
  2016 65,9223    
0.34
  2015 45,1614    
0.19
  2014 21,8345    
0.22
  2013 58,1056    
0.10
  2012 95,6707    
0.23
  2011 33,1988    
0.12
  2010 239,3959    
0.27
  2009 5210,54710    
0.49
  2008 24424,24111    
0.92
  2007 14122,30212    
0.53
  2006 44743,92113    
0.78

  Number of Problems Reported During the First Year

Another way to measure the reliability across the model years of the Toyota Highlander Hybrid 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 Highlander Hybrid
7
  2017 Highlander Hybrid
9
  2016 Highlander Hybrid
1
  2010 Highlander Hybrid
2
  2009 Highlander Hybrid
9
  2008 Highlander Hybrid
11
  2007 Highlander Hybrid
7
  2006 Highlander Hybrid
25


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