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1999 Mitsubishi Diamante

US · Midsize Cars

The 1999 Mitsubishi Diamante 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 Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.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
3.5L 6-cylinder (SOHC)
Power
Not available
Torque
Not available
Transmission
4-speed automatic
Drivetrain
FWD
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
3.5L 6-cylinder (SOHC)
Power Output
Not available
Peak Torque
Not available
Combined Economy
18 MPG US (13.1 L/100 km) · EPA
Drivetrain
FWD
Transmission
AUTOMATIC
Capacity
Not available
Exterior Dimensions
Not available
Market: US·Switch units anytime to convert horsepower, torque, fuel economy, and dimensions.
Compare 1999 Mitsubishi Diamante ↗

Engine

Engine
SpecificationValueSource
Engine3.5L 6-cylinder (SOHC)
Displacement3.5 L
Cylinders6
Fuel typeGasoline

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

Transmission and drivetrain

Transmission and drivetrain
SpecificationValueSource
TransmissionAutomatic
Gears4
DrivetrainFWD

Fuel economy and range

Fuel economy and range
SpecificationValueSource
Combined18 mpg (13.1 L/100 km)
City16 mpg (14.7 L/100 km)
Highway22 mpg (10.7 L/100 km)

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

Trims and configurations

1 configuration listed by our sources. Engines, drivetrains and fuel economy can differ between them.

Recalls

NHTSA lists 2 recall campaigns for this model year. Last checked October 19, 2026.

  • 04V428000: EQUIPMENT:OTHER:LABELS

    CERTAIN PASSENGER VEHICLES FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 208, 'OCCUPANT CRASH PROTECTION.' THE BILINGUAL ENGLISH/SPANISH REMOVABLE AIR BAG WARNING LABELS AFFIXED TO THE DASH AND TO THE SUNVISOR DO NOT MEET THE SIZE REQUIREMENTS OF THE STANDARD.

    Remedy: MITSUBISHI CARIBBEAN WILL MAIL A CUSTOMER NOTIFICATION LETTER CONTAINING A WRITTEN DESCRIPTION AND A GRAPHIC OF THE BI-LINGUAL DASHBOARD AIR BAG WARNING LABEL. IN ADDITION, ALL CURRENT 2000-2004 NATIVA OWNERS WILL ALSO RECEIVE…

    Reported September 1, 2004. View on NHTSA

  • 00V132000: PARKING BRAKE:DRIVELINE:HYDRAULIC

    VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE HEAD OF THE SCREW THAT HOLDS THE RETAINING CLIP FOR THE PARKING BRAKE SHOE CAN BECOME BRITTLE AND BREAK OFF.

    Remedy: DEALERS WILL REPLACE THE RETAINING CLIP SCREW AND IN THE PROCESS INSPECT THE REAR BRAKE SYSTEM OF ANY POSSIBLE RELATED DAMAGE. ANY RELATED DAMAGE THAT MAY BE FOUND WILL ALSO BE REPAIRED.

    Reported May 8, 2000. View on NHTSA

Data sources

  • EPA fueleconomy.gov · retrieved October 19, 2026 · US Government public data
  • NHTSA vPIC · retrieved October 19, 2026 · US Government public data

Source checked: October 19, 2026

Data verified: October 19, 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

Frequently asked questions

What engine does the 1999 Mitsubishi Diamante have?

3.5L 6-cylinder (SOHC). Engines can differ by trim, so check the trim list below.

What is the fuel economy of the 1999 Mitsubishi Diamante?

Combined fuel economy is 18 mpg (13.1 L/100 km), as published by the source shown in the specification table.

Is the 1999 Mitsubishi Diamante front-wheel, rear-wheel or all-wheel drive?

Drivetrain: FWD.

Are there recalls for the 1999 Mitsubishi Diamante?

NHTSA lists 2 recall campaigns for this model year (last checked October 19, 2026). Details are in the Recalls section.