Research · complaint index

Isuzu Trooper years to avoidWhat NHTSA complaint data does and doesn’t say

We compared 7 model years of the Isuzu Trooper by owner complaints to NHTSA, adjusted for how long each year has been on the road. No single year stands far above the rest.

01 —Complaint index

Complaints per year on the road

1.0 = typical year for this model
View as table
Model yearComplaints per year since release
19962
19970
19981
19993
20002
20011
20020
YearComplaintsPer year on roadIndexRecallsCrashesSignal
20021200.301Fewest complaints
20012910.812Typical
20004921.325Typical
19998132.005Typical
19984211.012Typical
19971300.321Fewest complaints
19965121.125Typical
  • 200212 complaints · 0 recallsFewest complaints
  • 200129 complaints · 1 recallTypical
  • 200049 complaints · 2 recallsTypical
  • 199981 complaints · 0 recallsTypical
  • 199842 complaints · 1 recallTypical
  • 199713 complaints · 2 recallsFewest complaints
  • 199651 complaints · 2 recallsTypical
Data from NHTSA Complaints & Recalls APIs · synced Oct 28, 2026

Fewest complaints for their age: 1997, 2002.

02 —FAQ

About this comparison

What Isuzu Trooper years have the most complaints?

No Isuzu Trooper model year drew more than twice the typical complaint rate among the 7 model years compared. The highest was 1999.

Is this a reliability rating?

No. These are counts of unverified owner complaints to NHTSA. They are not adjusted for how many cars were sold, so a popular year can collect more complaints. Use them to find patterns, then read the reports.

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.