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1991 Isuzu Trooper

US · Special Purpose Vehicles

The 1991 Isuzu Trooper is listed in the US market with gasoline power. Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.

Engine
Varies by configuration: 2.6L 4-cylinder (FFS), 2.8L 6-cylinder (FFS)
Transmission
Varies by configuration: Automatic, Manual
Drivetrain
AWD
Fuel
Gasoline
Economy
15 mpg (15.7 L/100 km) combined
Generic outline for this body type. An illustration, not a photograph.
Specifications at a Glance

Key Figures

Units:
Engine / Powertrain
2.6L 4-cylinder (FFS), 2.8L 6-cylinder (FFS)
Combined Economy
15 MPG US (15.7 L/100 km) · EPA
Drivetrain
AWD
Transmission
Automatic, Manual
Market: US·Switch units to convert the figures shown.
Compare 1991 Isuzu Trooper ↗

Engine

Engine
SpecificationValueSource
EngineVaries by configuration: 2.6L 4-cylinder (FFS), 2.8L 6-cylinder (FFS)
Displacement2.6 L to 2.8 L
Cylinders4 to 6
Fuel typeGasoline

Transmission and drivetrain

Transmission and drivetrain
SpecificationValueSource
TransmissionVaries by configuration: Automatic, Manual
Gears4 to 5
DrivetrainAWD

Fuel economy and range

Fuel economy and range
SpecificationValueSource
Combined15 mpg (15.7 L/100 km)
City14 mpg (16.8 L/100 km) to 15 mpg (15.7 L/100 km)
Highway17 mpg (13.8 L/100 km)

Our sources do not publish these for this vehicle: Aspiration, Power, Torque, Electric range, Battery capacity. We leave them out instead of estimating.

Trims and configurations

4 configurations listed by our sources. Engines, drivetrains and fuel economy can differ between them.

Recalls

NHTSA lists 3 recall campaigns for this model year. Last checked November 7, 2026.

  • 93E023000: TRAILER HITCHES

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

    Remedy: REPLACE THE TRAILER HITCH.

    Reported July 22, 1993. View on NHTSA

  • 90V166000: 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.

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

    Reported September 20, 1990. View on NHTSA

  • 90V167000: 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.

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

    Reported September 20, 1990. View on NHTSA

Data sources

  • EPA fueleconomy.gov · retrieved October 21, 2026 · US Government public data
  • NHTSA vPIC · retrieved October 21, 2026 · US Government public data

Source checked: October 21, 2026

Data verified: October 21, 2026

Specifications can vary by market, trim, configuration and production date. Confirm with the manufacturer before buying parts or making safety decisions. Report an error.

Related vehicles

  • Varies by configuration: 2.6L 4-cylinder ((FFS)), 2.8L 6-cylinder ((FFS)) · AWD
    15 mpg (15.7 L/100 km)

  • Varies by configuration: 3.2L 6-cylinder ((DOHC) (FFS)), 3.2L 6-cylinder ((SOHC) (FFS)) · AWD
    15 mpg (15.7 L/100 km)

Frequently asked questions

What engine does the 1991 Isuzu Trooper have?

Varies by configuration: 2.6L 4-cylinder ((FFS)), 2.8L 6-cylinder ((FFS)). Engines can differ by trim, so check the trim list below.

What is the fuel economy of the 1991 Isuzu Trooper?

Combined fuel economy is 15 mpg (15.7 L/100 km), as published by the source shown in the specification table.

Is the 1991 Isuzu Trooper front-wheel, rear-wheel or all-wheel drive?

Drivetrain: AWD.

Are there recalls for the 1991 Isuzu Trooper?

NHTSA lists 3 recall campaigns for this model year (last checked November 7, 2026). Details are in the Recalls section.