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2001 Mitsubishi Diamante Overview, Reviews, Ratings & Specs

Rating: 4.50
Based on 12 Owner Reviews
Simon A | March 31, 2025
The 2001 Mitsubishi Diamante is a full-size sedan that aimed to offer a luxurious and spacious driving experience. Part of the second generation (1997-2004), it came in ES and LS trims. New, it ranged from roughly $27,000 to $30,000. It stood out for its comfortable ride, powerful V6 engine, and distinctive styling that offered a more unique alternative to mainstream competitors.
The Good

The 2001 Diamante offers a smooth and powerful V6 engine, providing enjoyable performance. Its spacious interior and comfortable ride appeal to those seeking a relaxed driving experience. While not known for stellar fuel efficiency, it offers a good value proposition, especially in the used market. The unique styling might appeal to buyers wanting something different.

The Bad

Potential weaknesses include higher repair costs due to the availability and price of Mitsubishi-specific parts. Reliability can be a concern, with reports of electrical issues and transmission problems. Fuel economy is also not a strong point. Watch for rust, especially in areas with harsh winters.

2001 Mitsubishi Diamante: Quick Overview

Key specs for the 2001 Mitsubishi Diamante:

  • Engine: 3.5L V6
  • Horsepower: 205 hp
  • Fuel Economy:
    • City: 17 mpg
    • Highway: 24 mpg
  • 0-60 mph: Approximately 8.5 seconds
  • Towing Capacity: Not Recommended

Trim-Level Features:
  • ES:
    • Cloth upholstery
    • Automatic climate control
    • Power windows and locks
    • AM/FM/CD stereo
    • Alloy wheels
  • LS: (Adds to ES features)
    • Leather upholstery
    • Power-adjustable driver's seat
    • Premium audio system
    • Sunroof (optional)
    • Automatic climate control
The LS trim also offered options like a sunroof and upgraded audio, further enhancing its luxury appeal. The V6 engine provided adequate power for daily driving and highway cruising. The Diamante focused more on comfort and a smooth ride rather than outright performance.

2001 Mitsubishi Diamante Specifications

Vehicle Information
Year 2001
Make Mitsubishi
Model Diamante
Trim -
Style -
Type Sedan
Category Mid-Size Car
Manufacturing Details
Made In Australia
Manufacturing City TONSLEY PARK
Dimensions
Doors 4-Door
Curb Weight 3461 pounds
Gross Vehicle Weight Rating 4420 pounds
Overall Height -
Overall Length -
Overall Width -
Wheelbase Length -
Standard Seating -
Engine & Performance
Engine 6G74
Engine Size 3.5L
Engine Cylinders 6
Transmission -
Transmission Type Automatic
Transmission Speeds -
Drivetrain Front-Wheel Drive
Additional Features
Anti-Brake System -
Steering Type -
Pricing
Manufacturer Suggested Retail Price (MSRP) $25,387
Invoice Price $23,543
Delivery Charges $560

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Analysis

What Problems Does the 2001 Mitsubishi Diamante Have?

Frequently reported problems for the 2001 Mitsubishi Diamante often revolve around electrical issues, including problems with the power windows, door locks, and the climate control system. Transmission problems, such as slipping or harsh shifting, have also been reported, potentially requiring expensive repairs or replacements. Engine issues, while less common, can include oil leaks and problems with the variable valve timing system.

Long-term reliability concerns center on the availability and cost of replacement parts. As a Mitsubishi model from the early 2000s, parts can be harder to find and more expensive than those for more common makes and models. Rust can also be a significant issue, especially in regions with road salt. The undercarriage and body panels are susceptible to corrosion, potentially leading to structural problems over time.

Recalls for the 2001 Diamante were issued for various safety-related issues. It's important to check the vehicle's VIN against the National Highway Traffic Safety Administration (NHTSA) database to ensure all applicable recalls have been addressed. Specific to the 2001 model year, potential problems included issues that could affect the airbags. Be sure to verify any used model has had these safety issues resolved.

How long will the 2001 Mitsubishi Diamante last?

With proper maintenance, a 2001 Mitsubishi Diamante could potentially reach 200,000 miles or more. However, many examples are likely to have already been retired due to age and the cost of repairs. Owner data suggests that well-maintained Diamantes could last 15-20 years, but this relies heavily on consistent maintenance, including regular oil changes, timely replacement of wear items, and addressing any issues promptly. Weaknesses over time include rust, electrical problems, and transmission issues. Neglecting these areas can significantly shorten the lifespan.

What Technology & Safety Features are Included?

The 2001 Mitsubishi Diamante featured a decent array of tech and safety features for its time. Standard equipment included automatic climate control, power windows and locks, and an AM/FM/CD stereo system. The LS trim added features like leather upholstery, a power-adjustable driver's seat, and a premium audio system. A sunroof was often available as an optional feature on the LS trim.

Driver-assistance features were limited compared to modern vehicles. Anti-lock brakes (ABS) were standard, providing improved stopping power. Traction control was not available. Safety features included dual front airbags. Side airbags were not offered.

In terms of entertainment, the standard AM/FM/CD stereo offered basic functionality. The LS trim's premium audio system provided enhanced sound quality. There were no advanced infotainment features like navigation or smartphone integration.

Crash-test ratings from the Insurance Institute for Highway Safety (IIHS) and the National Highway Traffic Safety Administration (NHTSA) should be consulted for specific data on the 2001 Diamante's crash performance. These ratings can provide valuable insights into the vehicle's ability to protect occupants in the event of a collision. Considering the age of the vehicle, its safety features are less advanced than those found in newer cars.

What Colors Options are Available?

Exterior Colors
Ebony Black
Dark Blue Pearl
Silver Metallic
White Pearl
Interior Colors
Sandalwood
Ivory
Medium Gray

2001 Mitsubishi Diamante Prices and Market Value

When new, the 2001 Mitsubishi Diamante had an MSRP ranging from approximately $27,000 to $30,000, depending on the trim level. As a nearly 25-year-old vehicle, current used market prices are extremely low, typically ranging from a few hundred to a couple of thousand dollars, depending on condition, mileage, and location. The Diamante has experienced significant depreciation due to its age, reliability concerns, and the availability of replacement parts. Resale value is primarily affected by its overall condition, service history, and the willingness of a buyer to take on the potential maintenance costs.

2001 Mitsubishi Diamante Cost of Ownership

The 2001 Mitsubishi Diamante is generally considered costly to own long-term. While insurance premiums may be relatively low due to its age and value, fuel economy is poor. Maintenance and repair costs can be high due to the availability and price of Mitsubishi-specific parts. Unexpected repairs can quickly add up, making it a less economical choice compared to more mainstream vehicles. Budget carefully for potential issues.

2001 Mitsubishi Diamante Fuel Efficiency

Fuel Type Gasoline
Fuel Capacity 19 gallons
City Mileage 16 miles/gallon
Highway Mileage 23 miles/gallon

2001 Mitsubishi Diamante Safety Rating

NHTSA
Side Driver Rating
Frontal Passenger Rating
Rollover Rating
Side Rear Passenger Rating
Frontal Driver Rating
IIHS
Rear Crash Protection/Head Restraint Ratings Not Tested
Moderate Overlap Front Test Results Not Tested
Side Impact Test Results Not Tested

2001 Mitsubishi Diamante Recalls & Defects

Equipment:other:owners/Service/Other Manual
Recall date 2004-02-11
Recall no. 04v067000
Source NHTSA
Summary Certain Sport Utility and Passenger Vehicles Fail TO Comply With Federal Motor Vehicle Safety Standard NO. 225, "child Restraint Anchorage Systems." THE Owner's Manual Does NOT Contain A Step-By-Step Description FOR Headrest Adjustment When Installing A Child Restraint System (Crs) Tether Strap.
Consequence IF THE Tether Strap IS Improperly Installed TO THE Tether Anchor, THE Child Safety Seat MAY NOT BE Sufficient Restrained. IN THE Event OF A Crash, THE Child Could BE Injured.
Remedy A Letter Outlining THE Problem Will BE Sent TO Owners Along With A Sticker Containing THE Correct Instructions AS Well AS Instructions ON Where TO Affix THE Sticker IN THE Owner's Manual. THE Recall Began ON March 29, 2004. Owners Should Contact Mitsubishi AT 1-888-648-7820.
Notes Mitsubishi Recall NO. Sr-04-002.customers CAN Also Contact THE National Highway Traffic Safety Administration's Auto Safety Hotline AT 1-888-dash-2-dot (1-888-327-4236).
Equipment:other:labels
Recall date 2004-09-01
Recall no. 04v428000
Source NHTSA
Summary 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.
Consequence This Does NOT Meet THE 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 Replacement AIR BAG Alert Labels FOR THE SUN Visors. This Recall IS Expected TO Begin During March or April 2005. THE Notification TO THE Nativa Owners IS Expected TO Begin During April or MAY 2005. Owners Should Contact Mitsubishi Caribbean AT 1-787-251-8715.
Notes THE Manufacturer's Petition Which Requested That Nhtsa Determine This Fmvss Noncompliance Does NOT Create AN Unreasonable Risk TO Motor Vehicle Safety WAS Partially Denied ON January 26, 2005. Therefore, This Manufacturer IS Obligated TO Conduct AN Owner Notification and Remedy Campaign.customers CAN Also Contact THE National Highway Traffic Safety Administration's Auto Safety Hotline AT 1-888-327-4236.

2001 Mitsubishi Diamante Insurance

Insurance for a 2001 Mitsubishi Diamante is moderately priced, reflecting its status as a Sedan with strong safety ratings and
reasonable repair costs.

How Does the 2001 Mitsubishi Diamante Compare to Other Sedan?

The 2001 Mitsubishi Diamante competed with full-size sedans like the Toyota Avalon, Honda Accord, Nissan Maxima, and Buick LeSabre. In terms of performance, the Diamante's V6 engine was comparable, but its fuel economy lagged behind the Toyota Avalon and Honda Accord. Features were similar, but the Diamante lacked the advanced technology and driver-assistance systems available in some rivals.

Reliability is where the Diamante fell short. The Avalon and Accord had significantly better reliability reputations, resulting in lower long-term ownership costs. The Maxima offered a sportier driving experience but could also be less reliable. The Buick LeSabre prioritized comfort and was known for its smooth ride, a trait shared with the Diamante.

Price-wise, a used Diamante is significantly cheaper than a comparable Avalon or Accord. However, the potential for higher repair costs and lower reliability makes the Avalon and Accord better overall choices. For a similar driving experience with potentially better reliability, consider the Buick LeSabre. If sporty handling is a priority, the Nissan Maxima could be an option, but be mindful of its reliability. Considering the age and potential issues of the Diamante, investing in a more reliable alternative is generally recommended.

Ranks #2073 Sedan

1 2023 Toyota Camry (5.0★)
2 2023 Honda Accord (0.0★)
3 2023 Lexus ES (0.0★)
4 2024 Subaru Legacy (5.0★)
5 2022 Mazda MX-30 (4.0★)
6 2024 BMW M3 (0.0★)
7 2023 Ford Mustang (5.0★)
8 2023 Mercedes-Benz AMG GT (0.0★)
9 2023 Audi A3 (0.0★)
10 2023 Chevrolet Camaro (5.0★)
11 2023 Hyundai Elantra Hybrid (0.0★)
12 2023 Nissan Altima (4.0★)
2073 2001 Mitsubishi Diamante (5.0★)

Final Verdict: Is the 2001 Mitsubishi Diamante a Good Sedan?

The 2001 Mitsubishi Diamante is ideal for budget-conscious buyers seeking a comfortable and spacious full-size sedan who are willing to accept potential reliability issues and higher maintenance costs. It's generally not recommended for those prioritizing reliability or fuel efficiency. Buying one used is the only option, and only consider it if the vehicle has a well-documented service history and has been properly maintained. A thorough inspection by a trusted mechanic is essential before purchasing. Alternatives like the Toyota Avalon or Honda Accord are generally better choices due to their superior reliability, even if they cost more upfront.

2001 Mitsubishi Diamante Owner Reviews

4.50
Consumer Rating, Based on 12 Consumer Reviews
Overall rating
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Petercoster on May 24, 2019

Fantastic all Roland in height leg room etc

Fantastic Cecile. Built in Adelaide Australia. I had the right hand drive version in hrs. Regreted in selling it.best veichile built highly recommend getting this veichile and keeping it for special drives

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0

Mitsfan01 on May 30, 2018

Gas saver, smooth ride

The is a wonderful car, one trip to gas station every two weeks. Smooth ride even with a the bumpy roads in the dmw area. Buy it.

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1
0

Diamante Addict on February 1, 2011

Tried once - and addicted

I have owned two Diamantes manufactured in Japan for Japan, 2000 and 2002. They are very comfortable (like lexus), they hold the course very, very good even in turns. You do not feel the speed at all, you can easily go 120 mph without realizing it - you will feel it the same as 60 mph. With 16" rims it just ignores all the small bumps and dips, you will not notice them at all. I had several times to pull of the road, because upcoming traffic unexpectedly entered my side, and it hold the direction with even one side on pavement and another side on grass or sand. It's very reliable in steering. It's transmission is tuned dual purpose - if you press accelerometer softly it will switch gears on low RPMs, but if you press it firmly, it will hold them to red zone, and kick-down aggressively. Well, it does it with a noticeable delay (0.5-1 sec), but it does. You get used to this timing and take this time to look back, and you can always remove your foot from accelerometer if you decide not to accelerate, it will switch it back. So with a little planning ahead of your actions, it is very maneurable. It's pretty heavy car, and but it will stop very quickly. To accomplish that it has disk brakes on both axises, and they are tuned so to compensate for high deceleration and increased load on front axis. I had no other stock car to beat diamante at stopping and handling while stopping. I put 4 for reliability because I had the same problemt with both Diamantes - hub/axle bearings on front wheels went off (left then right on the first car, then same thing on the second car). Other than that I had no problem at all. No problem with engine, transmission, AC, cooling system or anything like that. Oh, gas pump went off once, but it's really a random thing. If you drive aggressively (and Diamante allows it) it will leak motor oil. It leaked it on both cars, and for all other Diamante owners I knew. If you keep RPMs below 3000 (as for most consumer cars) it will not. If you do not - just buy another 1/4 of the change amount, to add while driving, like check and add oil monthly when necessary, or after long and heavy race (as I sad it's easy to drive it at 120mph, and it will require hight RPMs). As to comfort - it's very silent, it's even called "couch on wheels" by some. I will stop here, however I could say more good words about this. Now I moved to US and am looking for another one.

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1
0

MadDiamanteOwner on July 17, 2008

Looks Great But Terrible Reliability!

I got the Diamante used with 80,000 miles and from the looks of it it was a nice looking car. Which means nothing when it's an unreliable garbage can. the first week I noticed a wobbly feeling over bumps like the wheels were going to fall off. It was a bushing problem that cost $675 bucks. 3 months later the cars transmission was acting up and later that same day the car broke down while i was driving "luckily in a parking lot". It wouldn't even start. It was towed and Mitsubishi put a used trans in it costing $2500 bucks. This mess happened 600 miles over limited warranty. 3 days ago the service engine light came on and i'm afraid to bring it to get checked out cause the car isn't worth the money or time. Think twice about buying one of these.

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0
1

tonyg94 on October 19, 2006

not bad for the $$$

just traded this one in for a passat w8, but i did like this car. just make sure you get the extended warranty, just incase. overal agreat car for the $$$ if you didnt buy it new that is...........

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0

Gary on June 10, 2006

Understated Elegance

Quick, responsive, smooth. An intelligent, well-thought-out set of controls - dials where dials make more sense than button or levers; buttons where they make the most sense; etc. All controls are easy to access and easy to understand, some aided by supplemental digital and graphical displays. Though not a muscle car, this vehicle purrs with power, is easy and comfortable to handle, and fun to drive. Like the BMW, the exterior has an understated elegance. This car is a comfortable in rush-hour traffic and city parking as it is on a drive from Miami to Chicago!

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1
0

Petercoster on May 24, 2019

Fantastic all Roland in height leg room etc

Fantastic Cecile. Built in Adelaide Australia. I had the right hand drive version in hrs. Regreted in selling it.best veichile built highly recommend getting this veichile and keeping it for special drives

Was this review helpful?
1
0

Mitsfan01 on May 30, 2018

Gas saver, smooth ride

The is a wonderful car, one trip to gas station every two weeks. Smooth ride even with a the bumpy roads in the dmw area. Buy it.

Was this review helpful?
1
0

Diamante Addict on February 1, 2011

Tried once - and addicted

I have owned two Diamantes manufactured in Japan for Japan, 2000 and 2002. They are very comfortable (like lexus), they hold the course very, very good even in turns. You do not feel the speed at all, you can easily go 120 mph without realizing it - you will feel it the same as 60 mph. With 16" rims it just ignores all the small bumps and dips, you will not notice them at all. I had several times to pull of the road, because upcoming traffic unexpectedly entered my side, and it hold the direction with even one side on pavement and another side on grass or sand. It's very reliable in steering. It's transmission is tuned dual purpose - if you press accelerometer softly it will switch gears on low RPMs, but if you press it firmly, it will hold them to red zone, and kick-down aggressively. Well, it does it with a noticeable delay (0.5-1 sec), but it does. You get used to this timing and take this time to look back, and you can always remove your foot from accelerometer if you decide not to accelerate, it will switch it back. So with a little planning ahead of your actions, it is very maneurable. It's pretty heavy car, and but it will stop very quickly. To accomplish that it has disk brakes on both axises, and they are tuned so to compensate for high deceleration and increased load on front axis. I had no other stock car to beat diamante at stopping and handling while stopping. I put 4 for reliability because I had the same problemt with both Diamantes - hub/axle bearings on front wheels went off (left then right on the first car, then same thing on the second car). Other than that I had no problem at all. No problem with engine, transmission, AC, cooling system or anything like that. Oh, gas pump went off once, but it's really a random thing. If you drive aggressively (and Diamante allows it) it will leak motor oil. It leaked it on both cars, and for all other Diamante owners I knew. If you keep RPMs below 3000 (as for most consumer cars) it will not. If you do not - just buy another 1/4 of the change amount, to add while driving, like check and add oil monthly when necessary, or after long and heavy race (as I sad it's easy to drive it at 120mph, and it will require hight RPMs). As to comfort - it's very silent, it's even called "couch on wheels" by some. I will stop here, however I could say more good words about this. Now I moved to US and am looking for another one.

Was this review helpful?
1
0

MadDiamanteOwner on July 17, 2008

Looks Great But Terrible Reliability!

I got the Diamante used with 80,000 miles and from the looks of it it was a nice looking car. Which means nothing when it's an unreliable garbage can. the first week I noticed a wobbly feeling over bumps like the wheels were going to fall off. It was a bushing problem that cost $675 bucks. 3 months later the cars transmission was acting up and later that same day the car broke down while i was driving "luckily in a parking lot". It wouldn't even start. It was towed and Mitsubishi put a used trans in it costing $2500 bucks. This mess happened 600 miles over limited warranty. 3 days ago the service engine light came on and i'm afraid to bring it to get checked out cause the car isn't worth the money or time. Think twice about buying one of these.

Was this review helpful?
0
1
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Simon A

Simon is a contributor to VinCheck, where he provides articles and reviews on various automotive topics. His work focuses on delivering accurate and up-to-date information about used cars, helping readers make informed decisions.