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1991 Isuzu Trooper S

The 1991 Isuzu Trooper S is a 120-hp 2.6-liter inline-4 with a 5-speed manual and four-wheel drive. It starts at $13,998 MSRP and is rated at 15 mpg combined.

It makes 120 horsepower at 5,000 rpm and 146 lb-ft of torque at 2600 rpm. EPA fuel-economy estimates are 15 mpg city and 17 mpg highway (15 mpg combined).

The Trooper measures 176.0 inches long on a 104.2-inch wheelbase and has a curb weight of 3,755 lb.

Spec Value
Vehicle
Body TypeSUV
PowertrainGas
Price
MSRP$13,998 ($33,402 *)
Engine
Engine Type2.6-liter SOHC 8-valve I4
Displacement2.6 L
Horsepower120 hp @ 5,000 rpm
Torque146 lb-ft @ 2600 rpm
ValvetrainSOHC, 8-valve
Injection TypeFuel injection
Drivetrain
Drive Type4WD (part-time)
Transmission
Transmission5-speed manual
Fuel Economy
City15 MPG
Highway17 MPG
Combined15 MPG
Recommended FuelRegular
Tank Capacity21 gal
Tires & Wheels
Wheels Front15"
Wheels Rear15"
Dimensions & Weight
Length176 in
Width65 in
Height71.7 in
Wheelbase104.2 in
Curb Weight3,755 lbs
* Amount adjusted for inflation to 2026 dollars

Safety & Recalls

NCAP safety ratings

Overall Not rated
Frontal crash Not rated
Frontal – driver ★★★★★
Frontal – passenger ★★★★★
Side crash Not rated
Rollover Not rated
Tested variant: 1991 Isuzu Trooper II 4-DR. 4x4

Recalls

3 recalls on file with NHTSA for the 1991 Isuzu TROOPER. Not every recall applies to every trim or VIN — check yours at nhtsa.gov/recalls.

Jul 22, 1993 · TRAILER HITCHES

THE WELD ON THE RECEIVER UNIT OF THE TRAILER HITCH CAN BREAK.

Consequence: IF THE FAILURE OCCURS, THE TRAILER CAN SEPARATE FROM THETOWING VEHICLE, AND COULD RESULT IN A VEHICLE CRASH WITHOUT WARNING.

Remedy: REPLACE THE TRAILER HITCH.

NHTSA campaign 93E023000

Sep 20, 1990 · POWER TRAIN:AUTOMATIC TRANSMISSION

PUTTING IN MORE TRANSMISSION OIL THAN SPECIFIED CAN CAUSE OIL TO BLEED THROUGH AIR GROOVE ON TO THE EXHAUST MANIFOLD IF OIL TEMPERATURE RISES.

Consequence: THIS COULD CAUSE SMOKE EMISSION FROM THE MANIFOLD, WHICHCOULD IGNITE RUBBER HOSES AND RESULT IN A FIRE.

Remedy: REPLACE OIL LEVEL GAUGE AND NOTIFY OWNERS TO USE ONLY THE SPECIFIED AMOUNT OF AUTOMATIC TRANSMISSION FLUID.

NHTSA campaign 90V167000

Sep 20, 1990 · ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS

IMPROPERLY INSTALLED HOSE ON THE OIL COOLER COULD COME IN CONTACT WITH THE EXHAUST MANIFOLD AND COULD MELT.

Consequence: ENGINE OIL COULD LEAK OUT WITH POTENTIAL FOR ENGINESEIZURE AND DAMAGE AND COULD RESULT IN A FIRE.

Remedy: PROPERLY INSTALL COOLER HOSE CLIP TO PREVENT CONTACT WITH EXHAUST MANIFOLD.

NHTSA campaign 90V166000

58 owner complaints to NHTSA for the 1991 Isuzu TROOPER

Owner Complaints

58 owner complaints filed with NHTSA for the 1991 Isuzu TROOPER (5 mention a crash, 16 a fire, 3 an injury). See all on nhtsa.gov

Most-cited areas
Engine And Engine Cooling13
Power Train13
Wheels8
Electrical System6
Fuel System5
Gasoline5
A complaint can cite more than one area.
Most recent complaints
Feb 12, 2015 · Vehicle Speed Control
“TL* THE CONTACT OWNS A 1991 ISUZU TROOPER. THE CONTACT STATED THAT THE ACCELERATOR CABLE WAS STUCK WHICH CAUSED THE ACCELERATOR PEDAL NOT TO RELEASE. THE FAILURE WAS PROGRESSING MORE FREQUENTLY. THE…”
Nov 19, 2004 · Service Brakes, Hydraulic, Vehicle Speed Control
“WHILE APPLYING THE BRAKE PEDAL CONSUMER HEARD A LOUD SQUEAKING NOISE AND VEHICLE VIBRATED UNCONTROLLABLY. VEHICLE WAS TAKEN TO THE DEALER FOR INSPECTION, AND MECHANIC DETERMINED THAT THE BRAKE PADS…”
May 4, 2004 · Vehicle Speed Control
“INTERMITTENTLY WHILE DRIVING BETWEEN 50 TO 60 MPH AND SHIFTING FROM LOWER TO HIGHER LEVER GEAR VEHICLE EXPERIENCE SUDDEN ACCELERATION. *AK”
Nov 5, 2003 · Engine And Engine Cooling Fire
“VEHICLE'S ENGINE COMPARTMENT CAUGHT ON FIRE.*MR CONSUMER WAS AT A TOLL BOTH WHEN SHE NOTICED SMOKE COMING FROM THE ENGINE COMPARTMENT. SHE PULL OVER INTO THE EMPLOYEE PARKING LOT AND EXITED THE…”
Feb 10, 2003 · Power Train
“THERE WAS A RECALL REGARDING THE AUTOMATIC TRANSMISSION, HOWEVER CONSUMER WAS INFORMED VEHICLE WAS NOT INCLUDED DUE TO THE VEHICLE IDENTIFICATION NUMBER.*JB”

Complaints are unverified reports submitted to NHTSA by owners. They cover the whole model year, not a specific trim, and a count alone doesn't show how common a problem is.

Source: US National Highway Traffic Safety Administration (nhtsa.gov), matched as 1991 ISUZU TROOPER. US-market vehicles only; data cached for up to 7 days.

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