2004 Mitsubishi Diamante Problems
Used MITSUBISHI DIAMANTE shoppers should review this model-year complaint and recall record before making an offer. Based on 3 real NHTSA owner complaints, with Transmission / Drivetrain the most reported area.
Before you buy
This 2004 Mitsubishi Diamante has 3 NHTSA complaints — top issue: Transmission / Drivetrain.
A model-year pattern isn't the car in front of you. Check this exact VIN for accidents, open recalls, odometer rollback, and salvage titles.
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2004 Mitsubishi Diamante Fuel Economy
✓ EPA Official DataEPA-rated fuel economy across 2 2004 Mitsubishi Diamante trim configurations. The median figure is shown; range reflects all available trims.
Source: EPA FuelEconomy.gov. Figures reflect EPA lab testing; real-world results vary by driving style, load, and conditions. 2 trims analysed.
2004 Mitsubishi Diamante Safety Ratings
NHTSA 5-Star ProgramOfficial crash test results from the NHTSA 5-Star Safety Ratings program. Stars reflect government-conducted tests; higher is safer.
Overall
Not RatedFrontal Crash
Not RatedSide Crash
Not RatedRollover
Not RatedSource: NHTSA 5-Star Safety Ratings. Ratings are based on government crash tests and may not reflect all trim levels.
Based on NHTSA complaint data, the 2004 Mitsubishi Diamante has 3 owner complaints, 0 crash-related complaints, and 1 recall campaign on record. The most frequently reported component is Transmission / Drivetrain. NHTSA reliability signal: Good Record.
- Make
- Mitsubishi
- Model
- Diamante
- Model year
- 2004
- NHTSA owner complaints
- 3
- Crash-related complaints
- 0
- Safety recall campaigns
- 1
- Top reported component
- Transmission / Drivetrain
- Reliability signal
- Good Record
- EPA MPG combined
- 18
- EPA MPG city / highway
- 15 / 23
- Fuel type
- Premium Gasoline
- Electronic stability control
- No
Common problems
Most common 2004 Mitsubishi Diamante problems
Top owner-reported complaint areas and where they often appear.
Transmission / Drivetrain
Complaint patterns center on Transmission / Drivetrain. Use these as a pre-purchase inspection guide, then verify recall and damage history on the specific VIN.
Buyer verdict
Should you buy a used 2004 Mitsubishi Diamante?
This MITSUBISHI DIAMANTE year appears to have a comparatively lighter NHTSA complaint footprint, but buyers should still verify condition vehicle-by-vehicle.
Model-year complaint trends can reveal recurring trouble spots before you spend money on inspections, financing, or repairs.
May Suit
This year may suit buyers who prioritize complete maintenance records and pass a pre-purchase inspection.
May Want to Avoid
Buyers who want a lower-risk ownership profile may prefer comparing nearby model years before committing.
Pre-purchase
What to check before buying a used 2004 Mitsubishi Diamante
Inspection Focus
- Inspect the most frequently reported complaint components on this model year
- Confirm recall repairs were completed and documented
- Check for accident damage, title brands, and mileage inconsistencies on the exact VIN
Before You Close the Deal
- Run a VIN check on the specific vehicle you are considering
- Verify all open recalls are completed at nhtsa.gov/recalls
- Request service records for the most-reported complaint components
- Have a certified mechanic inspect the vehicle before purchase
Check the exact car
Shortlist with model-year data. Decide with the exact VIN.
Before buying a used 2004 Mitsubishi Diamante, run a VIN history report to verify accidents, title brands, odometer records, theft checks, and open recalls for the exact vehicle.
Full breakdown
All 2004 Mitsubishi Diamante complaints by category
Every owner-reported complaint category filed with NHTSA for the 2004 Mitsubishi Diamante. Use this as a pre-purchase inspection checklist.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Transmission / Drivetrain | 3 | — | — | — |
Source: NHTSA Complaints Database. Complaint counts may exceed total complaints because one report can span multiple categories.
In their words
Real owner complaints
Read what owners actually reported to NHTSA for the 2004 Mitsubishi Diamante. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
THE DIAMANTE HAS AN ODD ISSUE WHERE THE VEHICLE WILL NOT SHIFT GEARS CORRECTLY WHICH AN EXTREMELY DANGEROUS ISSUE FOR DRIVERS. THE INFORMATION BOARD SHOWS THE TRANSACTION RAPIDLY SWITCHING FROM NEUTRAL TO DRIVE EXCESSIVELY. I HAVE HAD MULTIPLE MECHANIC SHOPS LOOK INTO THIS I…
CPSC#I11B0131A. 2004 MITSUBISHI DIAMANTE. F4A51 AUTOMATIC TRANSMISSION FAILURE. *LN THE CONSUMER STATED SHE HAS CONCERNS WITH THE SAFETY AND RELIABILITY OF MITSUBISHI AND DODGE VEHICLES AND THEIR OWNERS THAT HAVE THE MITSUBISHI F4A51 AUTOMATIC TRANSMISSION IN CERTAIN MAKE/MODEL…
THE MAIN ISSUE SEEMS TO BE A MANUFACTURING DEFECT IN THE WAVE/CUSHION SPRING LOCATED IN THE TRANSMISSION. MITSUBISHI HAS DESIGNED THE WAVE SPRING AS A FRAGILE TWO COIL PIECE WHICH HAS BEEN KNOWN TO REPEATEDLY BREAK CAUSING CATASTROPHIC FAILURE IN THE TRANSMISSION. THIS IN TUR…
Source: NHTSA Complaints Database. Real owner reports for the 2004 Mitsubishi Diamante.
Safety recalls
2004 Mitsubishi Diamante recalls
1 campaignNHTSA recall campaigns for the 2004 Mitsubishi Diamante. 1 recall campaign are on record, so recall completion status should be confirmed on the exact VIN before purchase. Recalls are free to fix at authorized dealers, but completion status must be verified on the exact VIN.
EQUIPMENT:OTHER:LABELS
Research more
Keep researching before you buy
Compare brands and categories, then check the exact car's history by VIN.
Questions
2004 Mitsubishi Diamante buying FAQ
Buyer-focused answers based on real NHTSA complaint and recall data for this model year.
Is the 2004 Mitsubishi Diamante reliable?▾
Good Record. NHTSA currently shows 3 owner complaints, 0 crash-related complaints, and 1 recall campaign for this model year. This MITSUBISHI DIAMANTE year appears to have a comparatively lighter NHTSA complaint footprint, but buyers should still verify condition vehicle-by-vehicle. Treat this as a model-year signal, then verify the exact vehicle's condition and history before purchase.
What are the most common problems with the 2004 Mitsubishi Diamante?▾
#1: Transmission / Drivetrain (3 complaints)
At what mileage do problems start on the 2004 Mitsubishi Diamante?▾
Mileage data is not available or insufficient for this model year.
How safe is the 2004 Mitsubishi Diamante?▾
Complaint data is not the same as crash-test scoring, but it does highlight possible risk patterns. For the 2004 Mitsubishi Diamante, NHTSA complaints include 0 crash-related reports and 0 fire reports out of 3 total complaints. For controlled crash-test ratings, check nhtsa.gov/ratings.
Does the 2004 Mitsubishi Diamante have any recalls?▾
Yes. 1 NHTSA recall campaign affect the 2004 Mitsubishi Diamante. A major recall area is EQUIPMENT:OTHER:LABELS. 1 recall campaign are on record, so recall completion status should be confirmed on the exact VIN before purchase. Always verify open recalls by VIN because completion status varies by vehicle.
Should I buy a 2004 Mitsubishi Diamante?▾
This MITSUBISHI DIAMANTE year appears to have a comparatively lighter NHTSA complaint footprint, but buyers should still verify condition vehicle-by-vehicle. Model-year complaint trends can reveal recurring trouble spots before you spend money on inspections, financing, or repairs. Pay extra attention to Transmission / Drivetrain during inspection. Before committing, run a VIN history report to verify accidents, title brands, odometer records, and recall completion for the exact car.
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinSpectorAI.
Wider context: See the full Mitsubishi Diamante reliability report with year-by-year comparison.
Owner Reliability Rating
Rate the 2004 Mitsubishi Diamante based on your ownership experience.
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Ratings are based on owner experience and are separate from NHTSA data shown above.
Before you buy
Check the exact vehicle history before you buy
Model-year complaints and recalls reveal patterns. A VIN report confirms whether the exact car has accident history, title brands, mileage issues, or open recalls.