FaultScore

Worst years for a Isuzu Trooper

Owners have filed 713 complaints about the Isuzu Trooper with NHTSA across model years 1985 to 2002. More of them are about the engine & cooling than anything else.

Avoid

1999 Isuzu Trooper

105 complaints — the highest FaultScore of any year, mostly engine & cooling.

Cleanest on record

2002 Isuzu Trooper

12 complaints — the lowest FaultScore of the graded years.

Every Isuzu Trooper year, graded

The grade compares each year against the rest of this model's own run — never against another car. Click any bar or row to open that year's report.

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded
Year Grade Complaints Crashes Fires Median miles Most reported
2002 A 12 1 0 47,000 Engine & Cooling
2001 B 42 2 0 80,000 Engine & Cooling
2000 D 61 6 0 70,550 Engine & Cooling
1999 D 105 12 1 71,379 Engine & Cooling
1998 C 48 2 2 59,172 Engine & Cooling
1997 C 18 2 0 65,000 Transmission & Drivetrain
1996 C 66 5 1 124,567 Suspension
1995 D 65 15 3 134,000 Suspension
1994 D 58 5 3 85,149 Engine & Cooling
1993 D 41 7 0 22,300 Engine & Cooling
1992 27 4 3 Engine & Cooling
1991 71 5 23 Engine & Cooling
1990 30 3 5 Engine & Cooling
1989 17 1 0 Engine & Cooling
1988 20 1 2 Engine & Cooling
1987 9 0 0 Transmission & Drivetrain
1986 18 0 0 Seat Belts
1985 5 1 0 Transmission & Drivetrain

What breaks on a Isuzu Trooper

Across every model year on file. Follow a row for that part's complaints and the year it was worst.

Engine & Cooling 199 27.9%

Worst in 1999

Worst in 1991

Worst in 1999

Worst in 1991

Tires 43 6.0%

Worst in 1994

Suspension 42 5.9%

Worst in 1996

Brakes 41 5.8%

Worst in 2001

Worst in 1991

Worst in 1994

Wheels 28 3.9%

Worst in 1991

Airbags 22 3.1%

Worst in 1995

Seat Belts 22 3.1%

Worst in 1986

Steering 17 2.4%

Worst in 1999

Seats 15 2.1%

Worst in 1995

Exactly what failed on a Isuzu Trooper

The named sub-assemblies behind those complaints, across every model year.

Engine 84 30.2%
Gasoline 52 18.7%
Automatic Transmission 41 14.7%
Front 22 7.9%
Lugs/Nuts/Bolts/Studs 20 7.2%
Tread/Belt 15 5.4%
Frontal 15 5.4%
Frame AND Members 11 4.0%
Accelerator Pedal 9 3.2%
Retractor 9 3.2%

Complaints filed over time

Every complaint about every Isuzu Trooper, by the month it reached NHTSA.

Jan 1995 peak 19 Jul 2023

Isuzu Trooper problems by state

Where owners filed from. Heavier states are usually just bigger markets, but a part that fails in heat or salt shows up here first.

Compare the Isuzu Trooper

Side by side on complaint history. Remember that raw totals track how many were sold as much as how good they were.