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2004 Mitsubishi

Diamante Sedan

Auto 4-spd, 6 cyl, 3.5 L

Mitsubishi Diamante: best and worst years
2004 Mitsubishi Diamante Sedan (photo 1 of 2)

Closest available photo (2005 model year); you're viewing the 2004.

2005 photoNZ Car FreakCC BY 3.0Wikimedia Commons

Overview

Body
Midsize CarsEPA, from EPA, last updated 6/22/2026
Drivetrain
Front-Wheel DriveEPA, from EPA, last updated 6/22/2026
Transmission
Automatic 4-spdEPA, from EPA, last updated 6/22/2026
Powertrain
GasEPA, from EPA, last updated 6/22/2026
Fuel
PremiumEPA, from EPA, last updated 6/22/2026

Engine & performance

Cyl
6EPA, from EPA, last updated 6/22/2026
Aspiration
Naturally aspiratedEPA, from EPA, last updated 6/22/2026

Efficiency

MPG Hwy
23 mpgEPA, from EPA, last updated 6/22/2026
MPG City
15 mpgEPA, from EPA, last updated 6/22/2026
MPG Comb
18 mpgEPA, from EPA, last updated 6/22/2026
Fuel $/yr
$4,300EPA, from EPA, last updated 6/22/2026
Elec. Range
0 miEPA, from EPA, last updated 6/22/2026

Dimensions & capacity

Doors
4NHTSA vPIC, from NHTSA vPIC, last updated 10/13/2026
Length
196 inNHTSA vPIC, from NHTSA vPIC, last updated 10/13/2026
Width
70 inNHTSA vPIC, from NHTSA vPIC, last updated 10/13/2026
Height
57 inNHTSA vPIC, from NHTSA vPIC, last updated 10/13/2026
Wheelbase
107 inNHTSA vPIC, from NHTSA vPIC, last updated 10/13/2026
Curb Weight
3,505 lbNHTSA vPIC, from NHTSA vPIC, last updated 10/13/2026
GVWR class
Class 1 (6,000 lb or less)NHTSA vPIC, from NHTSA vPIC, last updated 10/13/2026
Pass. Vol
96 ft³EPA, from EPA, last updated 6/22/2026
Cargo Vol
14 ft³EPA, from EPA, last updated 6/22/2026

Safety NHTSA, model year

Recalls
1
Owner complaints
3

Reported problems NHTSA owner complaints, model year

  • POWER TRAIN100%

Source: NHTSA owner complaints, 3 total.

Mitsubishi Diamante: best and worst years

Warranty manufacturer terms, by make

Basic
5 yr / 60k mi
Powertrain
10 yr / 100k mi
Roadside assistance
5 yr
EV battery
10 yr / 100k mi

Information is gathered on a best-effort basis from public sources, may be incomplete or out of date, and is not purchasing or financial advice. Verify with the manufacturer or dealer before buying.