Jeep Liberty owners have reported a total of 10,477 problems for their cars built in the 13 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 Jeep Liberty. The 2002 Jeep Liberty cars have the most problems reported (2,234 problems).
The following chart shows the 27 most common problems for Jeep Liberty cars. The number one most common problem is related to the vehicle's suspension (1,845 problems). The second most common problem is related to the vehicle's air bags (1,250 problems).
|Problem Category||Number of Problems|
|Other Fuel System|
|Gasoline Fuel System|
|Engine And Engine Cooling|
|Vehicle Speed Control|
|Unknown Or Other|
|Electronic Stability Control|
|Diesel Fuel System|
|Traction Control System|
It would not be fair to compare the Jeep Liberty 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 Liberty 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 Jeep Liberty 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.
Another way to measure the reliability across the model years of the Jeep Liberty is to use the total number of problems reported during the vehicle's first year in service, as shown in the Table 4.
|Model Year||Problems Reported|