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2004
Mitsubishi Diamante

Starts at:
$24,999
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New 2004 Mitsubishi Diamante
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Available trims

See the differences side-by-side to compare trims.
  • 4dr Sdn ES 3.5L Auto
    Starts at
    $24,999
    17 City / 25 Hwy
    MPG
    5
    Seat capacity
    Gas V6
    Engine
    Front Wheel Drive
    Drivetrain
    See all specs
  • 4dr Sdn VR-X 3.5L Sportronic
    Starts at
    $26,819
    17 City / 25 Hwy
    MPG
    5
    Seat capacity
    Gas V6
    Engine
    Front Wheel Drive
    Drivetrain
    See all specs
  • 4dr Sdn LS 3.5L Sportronic
    Starts at
    $27,619
    17 City / 25 Hwy
    MPG
    5
    Seat capacity
    Gas V6
    Engine
    Front Wheel Drive
    Drivetrain
    See all specs

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2004 Mitsubishi Diamante 2004 Mitsubishi Diamante

Notable features

Face-lifted for 2004
Largest Mitsubishi sedan
205-hp or 210-hp V-6
Sportronic transmission on LS and VR-X
Sporty VR-X model

The good & the bad

The good

Three-model lineup
Manual gear-change provision in LS and VR-X
Standard antilock brakes

The bad

Pending further review

Expert 2004 Mitsubishi Diamante review

our expert's take
Our expert's take
By Cars.com editors
Full article
our expert's take

Vehicle Overview
What Mitsubishi terms a “resculpted” Diamante went on sale in November 2003. The styling features of the face-lifted near-luxury sedan include a new front fascia with a split upper grille, projector-style triangulated headlights and a mesh lower air intake. Unlike previous Diamante models, the bumpers are more integrated and the rear end is less angular. The front fenders display a more dominant look.

The interior features a new instrument panel and console. Premium cloth upholstery in the entry-level ES model has a more upscale ambiance, according to Mitsubishi. Both the luxury LS and sporty VR-X contain a 270-watt Infinity premium audio system. A Sportronic automatic transmission features a manual gear change provision; it is standard in the LS and VR-X. The VR-X also gets unique sport suspension tuning, traction control and a low-restriction exhaust system.

Built in Australia, the front-wheel-drive Diamante uses a 3.5-liter V-6 engine. Antilock brakes are standard. The VR-X trim level joined the lineup of Mitsubishi’s near-luxury sedan in 2002. With a more aggressive exhaust sound and an engine that delivers 5 horsepower more than the 3.5-liter V-6 in other Diamantes, the VR-X is said to add sporty appeal to the sedan line. For 2003, the VR-X got new European sport-style bucket seats, colored-taillight surrounds, sport seat fabric, and aggressive side-skirt air dams and wheel lip moldings.

The Diamante debuted in its current form in the 1997 model year as a lower-priced alternative to such models as the Infiniti I35 and Lexus ES 300

Exterior
Mounted on a 107.2-inch wheelbase and measuring 196 inches long overall, the Diamante is almost 6 inches longer than Mitsubishi’s newly redesigned Galant sedan. The VR-X features unique headlights and taillights, a deck lid spoiler and color-keyed bodyside trim. Fog lamps are installed on the LS and VR-X versions. Alloy wheels on each model hold 16-inch tires, and a sunroof is standard.

Interior
Cloth upholstery is used in the base ES sedan, while the more costly LS gets leather-faced seating surfaces. The front bucket seats in the ES have manual adjustments, and the LS’s buckets are power adjustable. All Diamantes seat five people.

Standard ES equipment includes automatic air conditioning, a six-speaker stereo with a CD player, cruise control, remote keyless entry, and power windows, locks and mirrors. The LS sedan adds steering-wheel audio controls, a 270-watt Infinity premium sound system, heated seats and mirrors, and power front seats with a memory feature. Sport-style bucket seats, a white-faced gauge panel and platinum-finished accents go into the VR-X. The sedan’s trunk holds 14.2 cubic feet of cargo.

Under the Hood
A 205-hp, 3.5-liter V-6 engine is installed in the ES and LS versions. The V-6 in the VR-X produces 210 hp. Both engines team with a four-speed-automatic transmission. In LS and VR-X models, the automatic incorporates a Sportronic mode for manually selected gear changes.

Safety
All-disc antilock brakes are standard, but side-impact airbags are not available. Traction control is standard on the VR-X and optional on the LS.

2004 Mitsubishi Diamante review: Our expert's take

Vehicle Overview
What Mitsubishi terms a “resculpted” Diamante went on sale in November 2003. The styling features of the face-lifted near-luxury sedan include a new front fascia with a split upper grille, projector-style triangulated headlights and a mesh lower air intake. Unlike previous Diamante models, the bumpers are more integrated and the rear end is less angular. The front fenders display a more dominant look.

The interior features a new instrument panel and console. Premium cloth upholstery in the entry-level ES model has a more upscale ambiance, according to Mitsubishi. Both the luxury LS and sporty VR-X contain a 270-watt Infinity premium audio system. A Sportronic automatic transmission features a manual gear change provision; it is standard in the LS and VR-X. The VR-X also gets unique sport suspension tuning, traction control and a low-restriction exhaust system.

Built in Australia, the front-wheel-drive Diamante uses a 3.5-liter V-6 engine. Antilock brakes are standard. The VR-X trim level joined the lineup of Mitsubishi’s near-luxury sedan in 2002. With a more aggressive exhaust sound and an engine that delivers 5 horsepower more than the 3.5-liter V-6 in other Diamantes, the VR-X is said to add sporty appeal to the sedan line. For 2003, the VR-X got new European sport-style bucket seats, colored-taillight surrounds, sport seat fabric, and aggressive side-skirt air dams and wheel lip moldings.

The Diamante debuted in its current form in the 1997 model year as a lower-priced alternative to such models as the Infiniti I35 and Lexus ES 300

Exterior
Mounted on a 107.2-inch wheelbase and measuring 196 inches long overall, the Diamante is almost 6 inches longer than Mitsubishi’s newly redesigned Galant sedan. The VR-X features unique headlights and taillights, a deck lid spoiler and color-keyed bodyside trim. Fog lamps are installed on the LS and VR-X versions. Alloy wheels on each model hold 16-inch tires, and a sunroof is standard.

Interior
Cloth upholstery is used in the base ES sedan, while the more costly LS gets leather-faced seating surfaces. The front bucket seats in the ES have manual adjustments, and the LS’s buckets are power adjustable. All Diamantes seat five people.

Standard ES equipment includes automatic air conditioning, a six-speaker stereo with a CD player, cruise control, remote keyless entry, and power windows, locks and mirrors. The LS sedan adds steering-wheel audio controls, a 270-watt Infinity premium sound system, heated seats and mirrors, and power front seats with a memory feature. Sport-style bucket seats, a white-faced gauge panel and platinum-finished accents go into the VR-X. The sedan’s trunk holds 14.2 cubic feet of cargo.

Under the Hood
A 205-hp, 3.5-liter V-6 engine is installed in the ES and LS versions. The V-6 in the VR-X produces 210 hp. Both engines team with a four-speed-automatic transmission. In LS and VR-X models, the automatic incorporates a Sportronic mode for manually selected gear changes.

Safety
All-disc antilock brakes are standard, but side-impact airbags are not available. Traction control is standard on the VR-X and optional on the LS.

Factory warranties

New car program benefits

Basic
5 years / 60,000 miles
Corrosion
7 years / 100,000 miles
Powertrain
10 years / 100,000 miles
Roadside Assistance
5 years / 60,000 miles

Certified Pre-Owned program benefits

Age / mileage
Less than 5 years / less than 60,000 miles
Basic
Remainder of original 5 years / 60,000 miles
Dealer certification
123-point inspection

Consumer reviews

4.8 / 5
Based on 7 reviews
Write a review
Comfort 5.0
Interior 4.4
Performance 4.7
Value 4.7
Exterior 4.4
Reliability 4.7

Most recent

  • Gd car meney years

    My 2004 Mitsubishi dimonty kilometres 334583 on the meter only nomol wher and tear Tyers Bracks cam belt oil changes now heter cor ather than that car stl run gd to day
    • Purchased a New car
    • Used for Commuting
    • Does recommend this car
    Comfort 5.0
    Interior 4.0
    Performance 5.0
    Value 5.0
    Exterior 4.0
    Reliability 4.0
    0 people out of 0 found this review helpful. Did you?
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  • Comfortable and fast.

    Great car to drive but parts can be a bit lacking to find. My problem is that I didn't look at what I could NOT buy for it due to the single year of mfg in the USA. I have purchased parts from Japan, China, and Australia(they made the car for 2 years and have a big fan base there). I would not recommend the car only for the parts issue. Aside from that, I love the car!
    • Purchased a Used car
    • Used for Commuting
    • Does not recommend this car
    Comfort 5.0
    Interior 4.0
    Performance 5.0
    Value 3.0
    Exterior 4.0
    Reliability 4.0
    0 people out of 1 found this review helpful. Did you?
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  • LOVE THIS CAR!!!

    This is my first car and I freaking LOVE it!!! It’s fast and got das basssssssss!!!! Car does not dissapoint, even for a 2004 this thing drives so smooth and fast, comfortable heated leather seats, and did I mention the sound system puts newer to shame!!!!!! Parts are hard asf to find lol, but it is reliable and I live for this car!! It’s def meant for road trips with how comfy these leather seats are. It’s 2019 and this car still passes up people on the highway and in town! Gas mpg could be better, but for the most part it gets 17 combined. I gotta get some stuff fixed on it so it should get better !! Love this car, don’t have any 2nd doubts about getting this car! I was gonna get a 2008 Mazda 6 but when I test drove them the Mazda couldn’t keep up, and the way this Car drives is as smooth as grand marquis, with the class of a Cadillac
    • Purchased a Used car
    • Used for Having fun
    • Does recommend this car
    Comfort 5.0
    Interior 5.0
    Performance 5.0
    Value 5.0
    Exterior 5.0
    Reliability 5.0
    2 people out of 2 found this review helpful. Did you?
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  • A lot of everything... Especially fun!

    My first car was a Cadillac. I love big comfortable powerful cars that make you wish the trip will never end. When I was car shopping I would have loved another Cadillac like I had in my teens but they aren't always the most reliable or practical. Mine was a 1970 that was unbreakable and made of solid Detroit steel but gas was only $.99 a gallon then. At 5 MPG that would definitely break the bank not to mention they don't make parking spaces or garages that size anymore. Lol So I decided to compromise and went with the next best thing... The biggest reliable import I could find! Boy did I hit the nail on the head! This is probably one of the most unique, fun, fast, powerful, roomy, classy, reliable cars I have ever been in! I got a killer deal! I only paid $1,100 and it had 143,000 miles when I first bought it from the manager of a Mitsubishi dealership the beginning of this year! All the bells and whistles and very well maintained. Interior looked and smelled brand new. The reason it was so cheap is it was in a minor wreck not too long ago and they salvaged the title. You'd never know it was ever hit unless you lift up the carpet in the trunk and see where they welded. I get compliments on it all the time and people assume I paid $11,000! I've upgraded the stereo head unit to compliment the premium Infinity Sound System and plan to keep it as original and classy as possible. The only downside to a very rare car is if you have any issues or need any parts it could be a bit tricky. There's little to no repair videos on YouTube and I had to special order an air filter. Good thing it's reliable! I haven't tried looking for an oil filter yet. I'm keeping my fingers crossed! If you do need help online I'd recommend searching for Mitsubishi Magna. That's the Australian version. They're quite popular there and there's quite a bit more tutorials and info on the Magna.
    • Purchased a Used car
    • Used for Commuting
    • Does recommend this car
    Comfort 5.0
    Interior 4.0
    Performance 4.0
    Value 5.0
    Exterior 4.0
    Reliability 5.0
    2 people out of 2 found this review helpful. Did you?
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  • Great car performance

    It runs really really well. The car has a lot of options for the interior so you can adjust seats and other stuff easily. The AC is ice cold and love the sunproof
    • Purchased a Used car
    • Used for Having fun
    • Does recommend this car
    Comfort 5.0
    Interior 5.0
    Performance 5.0
    Value 5.0
    Exterior 5.0
    Reliability 5.0
    0 people out of 0 found this review helpful. Did you?
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  • 2004 Diamante LS

    ONE OF THE BEST CARS I HAVE EVER OWNED! I traded it in at 210,XXX miles. NEVER---EVER had a probelm. Bought it from a Mitsibuishi dealership in 2005 with 17K. NEVER had a tune up.....it drove PERFECTLY. I am actively looking for another Franklin Silver 2004 with low miles as a 2nd car!
    • Purchased a Used car
    • Used for Commuting
    • Does recommend this car
    Comfort 5.0
    Interior 5.0
    Performance 5.0
    Value 5.0
    Exterior 4.0
    Reliability 5.0
    0 people out of 0 found this review helpful. Did you?
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  • Great Car

    I think this is a great car for the money! Had it for a year now and had not a problem. Handles great sort of like a lexus feel to it.
    • Purchased a Used car
    • Does recommend this car
    Comfort 5.0
    Interior 4.0
    Performance 4.0
    Value 5.0
    Exterior 5.0
    Reliability 5.0
    1 person out of 1 found this review helpful. Did you?
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FAQ

What trim levels are available for the 2004 Mitsubishi Diamante?

The 2004 Mitsubishi Diamante is available in 3 trim levels:

  • ES (1 style)
  • LS (1 style)
  • VR-X (1 style)

What is the MPG of the 2004 Mitsubishi Diamante?

The 2004 Mitsubishi Diamante offers up to 17 MPG in city driving and 25 MPG on the highway. These figures are based on EPA mileage ratings and are for comparison purposes only. The actual mileage will vary depending on vehicle options, trim level, driving conditions, driving habits, vehicle maintenance, and other factors.

Is the 2004 Mitsubishi Diamante reliable?

The 2004 Mitsubishi Diamante has an average reliability rating of 4.7 out of 5 according to cars.com consumers. Find real-world reliability insights within consumer reviews from 2004 Mitsubishi Diamante owners.

Is the 2004 Mitsubishi Diamante a good Sedan?

Below are the cars.com consumers ratings for the 2004 Mitsubishi Diamante. 85.7% of drivers recommend this vehicle.

4.8 / 5
Based on 7 reviews
  • Comfort: 5.0
  • Interior: 4.4
  • Performance: 4.7
  • Value: 4.7
  • Exterior: 4.4
  • Reliability: 4.7
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