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2003 Isuzu Ascender

US · SUV · Sport Utility Vehicle - 2WD

The 2003 Isuzu Ascender is listed in the US market as a suv 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 Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.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: 4.2L 6-cylinder, 5.3L 8-cylinder (LM7)
Power
Not available
Torque
Not available
Transmission
4-speed automatic
Drivetrain
Varies by configuration: RWD, AWD
Fuel
Gasoline
Seating
Not available
Generic outline. Published dimensions for this vehicle are not available.
Specifications at a Glance

Key Performance & Dimensions

Units:
Engine / Powertrain
GASOLINE
Power Output
Not available
Peak Torque
Not available
Combined Economy
Not available
Drivetrain
Not available
Transmission
AUTOMATIC
Capacity
Not available
Exterior Dimensions
Not available
Market: US·Switch units anytime to convert horsepower, torque, fuel economy, and dimensions.
Compare 2003 Isuzu Ascender ↗

Engine

Engine
SpecificationValueSource
EngineVaries by configuration: 4.2L 6-cylinder, 5.3L 8-cylinder (LM7)
Displacement4.2 L to 5.3 L
Cylinders6 to 8
Fuel typeGasoline

Not available from our sources: Aspiration, Power, Torque.

Transmission and drivetrain

Transmission and drivetrain
SpecificationValueSource
TransmissionAutomatic
Gears4
DrivetrainVaries by configuration: RWD, AWD

Fuel economy and range

Fuel economy and range
SpecificationValueSource
Combined16 mpg (14.7 L/100 km) to 14 mpg (16.8 L/100 km)
City14 mpg (16.8 L/100 km) to 13 mpg (18.1 L/100 km)
Highway19 mpg (12.4 L/100 km) to 16 mpg (14.7 L/100 km)

Not available from our sources: Electric range, Battery capacity.

Trims and configurations

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

Recalls

NHTSA lists 5 recall campaigns for this model year. Last checked October 18, 2026.

  • 05V494000: LATCHES/LOCKS/LINKAGES:DOORS:LATCH

    CERTAIN SPORT UTILITY VEHICLES HAVE A REAR SIDE CLOSURE LATCH THAT MAY NOT LATCH OR UNLATCH DUE TO CORROSION CAUSED BY ROAD SPLASH, SUCH AS WATER AND ROAD SALT. THESE VEHICLES WERE ORIGINALLY SOLD IN OR CURRENTLY REGISTERED IN THE FOLLOWING STATES: CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA, MISSOURI, NEW HAMPSHIRE, NEW JERSEY, NEW YORK,…

    Remedy: DEALERS WILL INSTALL A SEAL ALONG THE LOWER PART OF THE ROCKER PANEL TO PREVENT INTRUSION OF CORROSIVE MATERIAL, AND INSPECT THE REAR SIDE CLOSURE LATCHES. FUNCTIONAL LATCHES WILL BE CLEANED AND LUBRICATED. NON-FUNCTIONING LATCHES WILL…

    Reported October 27, 2005. View on NHTSA

  • 05V198000: EXTERIOR LIGHTING:TURN SIGNAL

    ON CERTAIN TRUCKS AND SPORT UTILITY VEHICLES, THE DRIVER WISHING TO SIGNAL A TURN BY MOVING THE DIRECTIONAL SIGNAL LEVER, (UP OR DOWN) MAY CAUSE THE FRONT MARKER/TURN LIGHTS AND REAR TURN LIGHTS TO FLASH IN A MANNER SIMILAR TO HAZARD WARNING, RATHER THAN FLASHING ON THE DESIRED SIDE ONLY.

    Remedy: DEALERS WILL REPLACE THE SUSPECT FLASHER MODULES WITH A NEW FLASHER MODULE DESIGNED WITH SEALED RELAYS AND MORE DURABLE CONTACT MATERIAL INSIDE OF THE RELAYS FREE OF CHARGE. THE RECALL BEGAN ON AUGUST 4, 2005. ISUZU BEGAN MAILING OWNER…

    Reported May 5, 2005. View on NHTSA

  • 04V061000: VISIBILITY:WINDSHIELD WIPER/WASHER

    CERTAIN SPORT UTILITY VEHICLES HAVE WINDSHIELD WIPER SYSTEMS THAT WILL NOT TURN ON, CEASE OPERATION WHILE IN USE, FAIL TO TURN OFF/ON BY THEMSELVES (MOISTURE SENSITIVE WIPER SYSTEM), OR HAVE CONTINUOUS WINDSHIELD WASHER PUMP OPERATION BECAUSE THE PRESENCE OF WATER WITHIN THE WIPER MODULES CAN EITHER CAUSE A SHORT CIRCUIT OR CAN LEAD TO THE CORROSION OF COMPONENTS WITHIN THE MODULE.

    Remedy: DEALERS WILL REPAIR THE WINDSHIELD WIPER SYSTEM ASSEMBLY. THE RECALL BEGAN ON JULY 15, 2004. OWNERS SHOULD CONTACT ISUZU AT 1-800-255-6727.

    Reported February 4, 2004. View on NHTSA

  • 03V269000: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    CERTAIN SPORT UTILITY VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 225, "CHILD RESTRAINT ANCHORAGE SYSTEM." THE OWNER'S MANUAL DOES NOT EXPLAIN THE MEANING OF THE LOCATION SYMBOLS FOR THE LOWER UNIVERSAL ANCHORAGE SYSTEM.

    Remedy: OWNERS WILL BE PROVIDED WITH A SUPPLEMENT FOR THEIR OWNER'S MANUAL. IT DESCRIBES AND SHOWS THE LOCATION SYMBOLS FOR THE CHILD RESTRAINT ANCHORS THAT ARE LOCATED IN THE VEHICLE. OWNER NOTIFICATION BEGAN AUGUST 15, 2003. OWNERS SHOULD…

    Reported July 21, 2003. View on NHTSA

  • 03V213000: POWER TRAIN:AUTOMATIC TRANSMISSION

    CERTAIN SPORT UTILITY VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 114, "THEFT PROTECTION." THESE VEHICLES ARE EQUIPPED WITH A MECHANICAL OVERRIDE THAT COULD ALLOW THE IGNITION KEY TO BE REMOVED WITH THE SHIFT LEVER IN A POSITION OTHER THAN PARK. IN ADDITION, THESE VEHICLES HAVE AN OVERRIDE THAT CAN ALLOW THE TRANSMISSION TO BE SHIFTED OUT OF PARK…

    Remedy: DEALERS WILL ELIMINATE THESE CONDITIONS BY DISABLING THE OVERRIDES. OWNER NOTIFICATION BEGAN JUNE 13, 2003. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN…

    Reported June 5, 2003. View on NHTSA

Data sources

  • EPA fueleconomy.gov · retrieved October 18, 2026 · US Government public data
  • NHTSA vPIC · retrieved October 18, 2026 · US Government public data

Source checked: October 18, 2026

Data verified: October 18, 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.

Compare

Related vehicles

  • 2004 Isuzu Ascender

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    Varies by configuration: 4.2L 6-cylinder, 5.3L 8-cylinder · Varies by configuration: RWD, AWD
    16 mpg (14.7 L/100 km) to 14 mpg (16.8 L/100 km)

  • 2003 Isuzu Rodeo

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    Varies by configuration: 2.2L 4-cylinder (L-4), 3.2L 6-cylinder (V-6) · Varies by configuration: RWD, AWD
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  • 2003 Isuzu Axiom

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  • 2003 Infiniti FX35

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  • 2003 Infiniti QX4

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  • 2003 Chevrolet Tahoe

    SUV, Varies by configuration: Gasoline, Flex fuel

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Frequently asked questions

What engine does the 2003 Isuzu Ascender have?

Varies by configuration: 4.2L 6-cylinder, 5.3L 8-cylinder (LM7). Engines can differ by trim, so check the trim list below.

What is the fuel economy of the 2003 Isuzu Ascender?

Combined fuel economy is 16 mpg (14.7 L/100 km) to 14 mpg (16.8 L/100 km), as published by the source shown in the specification table.

Is the 2003 Isuzu Ascender front-wheel, rear-wheel or all-wheel drive?

Drivetrain: Varies by configuration: RWD, AWD.

Are there recalls for the 2003 Isuzu Ascender?

NHTSA lists 5 recall campaigns for this model year (last checked October 18, 2026). Details are in the Recalls section.