1991 Isuzu Trooper
Recalls, most-reported problems, crash-test ratings, fuel economy and what a 1991 Isuzu Trooper is worth — from official NHTSA and EPA data. 12 on record.
1991 Isuzu Trooper at a glance
Included: that car's specs and build sheet, model-year recall campaigns and a fair price.
1991 Isuzu Trooper recalls 3
THE WELD ON THE RECEIVER UNIT OF THE TRAILER HITCH CAN BREAK.
Fix: REPLACE THE TRAILER HITCH.
IMPROPERLY INSTALLED HOSE ON THE OIL COOLER COULD COME IN CONTACT WITH THE EXHAUST MANIFOLD AND COULD MELT.
Fix: PROPERLY INSTALL COOLER HOSE CLIP TO PREVENT CONTACT WITH EXHAUST MANIFOLD.
PUTTING IN MORE TRANSMISSION OIL THAN SPECIFIED CAN CAUSE OIL TO BLEED THROUGH AIR GROOVE ON TO THE EXHAUST MANIFOLD IF OIL TEMPERATURE RISES.
Fix: REPLACE OIL LEVEL GAUGE AND NOTIFY OWNERS TO USE ONLY THE SPECIFIED AMOUNT OF AUTOMATIC TRANSMISSION FLUID.
Source: U.S. NHTSA, checked 4 Nov 2026. A campaign covers the model year; to see whether a particular car still needs the repair, check its VIN on NHTSA.gov or ask a franchised dealer.
1991 Isuzu Trooper common problems
The most-reported problem areas across all 61 owner complaints filed with NHTSA — and what to check before you buy.
1991 Isuzu Trooper safety ratings
Source: NHTSA 5-Star Safety Ratings (NCAP), tested as the 1991 Isuzu Trooper II 4-DR. 4x4. Ratings can differ by body style and drivetrain.
1991 Isuzu Trooper MPG & running costs
Source: U.S. EPA / DOE fueleconomy.gov. The EPA lists 4 versions of this model year; combined is shown as a range and the other figures are averages.
Estimated 5-year cost to own
A rough guide to what running a 1991 Isuzu Trooper costs over five years and 75,000 miles.
How this is estimated: fuel is the U.S. EPA annual cost at 15,000 miles a year. There aren't enough comparable listings to estimate depreciation for this model, so it is left out. Not included: insurance, maintenance, repairs, taxes, registration and finance costs. Treat it as a comparison guide, not a quote.
Dimensions & weight
Manufacturer-reported figures for the 1991 Isuzu Trooper — ranges cover the 2 body / drivetrain versions on record. Source: Transport Canada vehicle specifications via NHTSA.
Investigations & service bulletins
NHTSA defect investigations 6
TAKATA SEAT BLT BCKLS FAIL Closed
NHTSA #PE94085 · Seat Belts · opened Nov 1994 · closed Mar 1995ENGINE COMPARTMENT FIRES Closed
ENGINE COMPARTMENT FIRES
NHTSA #DP92015 · Engine And Engine Cooling · opened Jul 1992 · closed Nov 1992HEATER CORE FAILURE Closed
NHTSA #EA92018 · Visibility · opened Jun 1992 · closed Apr 1993DEFECTIVE HEATER CORES Closed
DEFECTIVE HEATER CORES
NHTSA #DP92005 · Visibility · opened Mar 1992 · closed Jun 1992REAR DOOR HINGE SEPARATION Closed
NHTSA #EA91033 · Structure · opened Jul 1991 · closed Jul 1992REAR DOOR HINGE SEPARATION Closed
NHTSA #PE91046 · Structure · opened Feb 1991 · closed Jul 1991An investigation means NHTSA is examining a possible defect — it is not a recall, and many close without one.
Manufacturer service bulletins 5
Technical notes the manufacturer sent to dealers about known issues and fixes. Useful to mention to a mechanic — they are not recalls and repairs may not be covered.
This bulletin outlines the procedures for using the Alpine Exchange Program (the "Exchange Program"). The Exchange Program must be used when any Alpine radio or other component covered by this bulletin is repaired under warranty and may also be used for radio…
Bulletin IB13-R-001G · May 2023This bulletin provides instructions with regard to the Isuzu Commercial Vehicle (CV) Warranty Parts Center on the topics of parts retention, parts preparation for shipping, and administration. NOTE: Effective June 1, 2021, dealers/service centers must return p…
Bulletin WB08-X-001I · Equipment · May 2023Isuzu Commercial Truck of America, Inc. (ICTA) is providing the following procedural recommendations to improve dealer efficiency when submitting Parts Warranty claims. We strongly recommend dealers follow these procedures in order to avoid delays in Parts War…
Bulletin WB13-X-001B · Equipment · Aug 2022Isuzu Commercial Truck of America, Inc. (ICTA) is providing the following procedural recommendations to improve dealer efficiency when submitting Parts Warranty claims. We strongly recommend dealers follow these procedures in order to avoid delays in Parts War…
Bulletin WB13-X-001A · Equipment · Aug 2022THIS TECHNICAL SERVICE BULLETIN OUTLINES THE DETAILED PROCEDURES FOR THE AIR CONDITIONING SYSTEM CONVERSION / RETROFIT. *TT
Bulletin SB0012S002 · Equipment · Mar 2000Source: NHTSA Office of Defects Investigation, listed for the TROOPER. Model-year data, not specific to one car.
Canadian recalls 1
Transport Canada recall campaigns for the 1991 Isuzu Trooper. Relevant if the car was first sold in, or imported from, Canada.
Powertrain
NOTE: VEHICLES EQUIPPED WITH V6 ENGINE AND AUTOMATIC TRANSMISSION. THE AUTOMATIC TRANSMISSION DIPSTICK MUST BE PROPERLY REINSTALLED AFTER CHECKING THE FLUID LEVEL. IF THE DIPSTICK IS NOT LOCKED, LEAKING AUTOMATIC TRANSMISSION FLUID MAY CONTACT THE EXHAUST MANIFOLD AND RESULT IN AN ENGINE COMPARTMENT FIRE. CORRECTION: A WARNING TAG WILL BE INSTALLED TO THE DIPSTICK CAP TO SERVE…
Transport Canada #1993133 · Sep 1993Source: Transport Canada Motor Vehicle Safety Recalls Database.
About the Isuzu Trooper
The Isuzu Trooper is a mid-size SUV manufactured and marketed by Isuzu between September 1981 and September 2002 over two generations, the first, produced between 1981 and 1991; and the second (UBS) produced between 1991 and 2002, the latter with a mid-cycle refresh in 1998. In its earliest iterations, the Trooper was based on the company's first generation Isuzu Faster/Chevrolet LUV pickup.
From Wikipedia, licensed CC BY-SA 4.0. Describes the model line in general, not this model year specifically.
1991 Isuzu Trooper vehicles on record
1991 Isuzu TrooperJACUBS55FM7108585
1991 Isuzu TrooperJACUBS17FM7106461
1991 Isuzu TrooperJACUBS55FL7107315
1991 Isuzu TrooperJACUBS17FM7106935
1991 Isuzu TrooperJACUBS17FM7104075
1991 Isuzu TrooperJACUBS55FM7108149
1991 Isuzu TrooperJACUBS55FM7101202
1991 Isuzu TrooperJACUBS55FM7108715
1991 Isuzu TrooperJACUBS55FM7101876
1991 Isuzu TrooperJACUBS55FM7102068
1991 Isuzu TrooperJACUBS17FM7101918
1991 Isuzu TrooperJACUBS55CM7101971