1998 Mitsubishi Diamante ES
6MMAP37P2WT004357
Vehicle history report for the 1998 Mitsubishi Diamante ES (VIN 6MMAP37P2WT004357). Black, sedan/saloon, 3.5L 6-cyl 205 hp, gasoline. 198,220 mi reported. Registered in Mi. 1 NHTSA recall campaign for this model year. Unlock full title, salvage, lien & accident history.
Should you buy it? Worth a look — but negotiate
Weighed from safety recalls, known problems and market price.
- 1 recall campaign exist for this model year. Check this VIN on NHTSA.gov to confirm the repairs were done.
- Lower mileage than typical for the year.
Full vehicle history report
Everything below is in the paid report for VIN 6MMAP37P2WT004357, compiled live from NMVTIS and licensed providers the moment you unlock it. Not every vehicle has every record type — the report shows what is on file, and says so when nothing is. The 1 recall campaign for this model year are shown further down.
📜 Title & ownership
- Title statusClean, salvage, rebuilt, junk, flood or lemon — from the national title database (NMVTIS)🔒
- Title brand historyEvery brand ever applied, by state, with what each one means🔒
- Title & registration recordsHow many times it has been titled, where, and the years-per-owner pace🔒
- Decode consistency checkThe provider's decode cross-checked against ours — a mismatch is a cloned-VIN warning sign🔒
🛞 Odometer
- Odometer timelineEvery reported reading with its date and state, drawn as a timeline🔒
- Rollback checkFlags any reading that goes backwards🔒
- Miles per yearThis car's pace against the US average🔒
💥 Damage, loss & theft
- Total-loss recordsInsurance total-loss declarations, with the reporting insurer type and date🔒
- Salvage & junk-yard recordsSalvage, junk and auction dispositions, including export flags🔒
- Theft screenActive and recovered theft records🔒
- Accident indicatorsDamage events reflected in title data (NMVTIS does not carry police crash reports)🔒
- Flood-exposure checkTitle activity in a disaster area soon after a major flood or hurricane🔒
💰 Liens & value
- Liens, impounds & exportOpen liens with the lender, tow/impound and export records🔒
- Market value for this exact carRetail adjusted for its mileage and state, trade-in, loan value, auction low/avg/high and retail by condition🔒
- DepreciationDrop from original MSRP, yearly rate and a one-year projection🔒
- Sticker vs dealer invoiceWhat it cost new, and what the dealer paid🔒
🧰 Factory warranty & equipment
- Remaining warrantyBasic, powertrain and rust coverage left, estimated from the first title date and odometer🔒
- Standard equipment & coloursWhat this trim came with from the factory, and the colours it was offered in🔒
🚨 Recalls on this VIN
- Per-VIN recall statusWhether each campaign has been repaired on THIS car, remedy availability, do-not-drive and stop-sale flags, dealer labour time🔒
At a glance
Vehicle identity & specifications
🧾 Window sticker / build sheet → All 1998 Mitsubishi Diamante data →
📋 All factory specifications on file4 more fields from the manufacturer's VIN record (NHTSA vPIC)
📐 Body, chassis & dimensions
🛡️ Safety & driver assistance
🏭 Manufacturing & other
Values are as reported by the manufacturer for this VIN pattern; blank or "not applicable" fields are omitted.
MPG & running costs
U.S. EPA fuel-economy estimates for the 1998 Mitsubishi Diamante with this engine.
Source: U.S. EPA / DOE fueleconomy.gov. Actual mileage varies with trim and driving conditions.
Estimated 5-year cost to own
A rough guide to what running a 1998 Mitsubishi Diamante costs over five years and 75,000 miles.
How this is estimated: fuel is the U.S. EPA annual cost at 15,000 miles a year. There aren't enough comparable listings to estimate depreciation for this model, so it is left out. Not included: insurance, maintenance, repairs, taxes, registration and finance costs. Treat it as a comparison guide, not a quote.
Investigations & service bulletins
Manufacturer service bulletins 51
Technical notes the manufacturer sent to dealers about known issues and fixes. Useful to mention to a mechanic — they are not recalls and repairs may not be covered. Showing the 10 most recent of 51.
This Technical Service Bulletin was sent to dealers to explain the difference between normal dew condensation, which is a natural phenomenon, and water penetration caused by improper sealing or a defective/broken part.
Bulletin TSB-22-54-003 · Exterior Lighting · Apr 2022This is a service newsletter (Tech Talk) that was sent out to dealers.
Bulletin TT253 · Equipment · Nov 2019This is a Technical Service Bulletin sent to dealers. This bulletin supersedes TSB-18-00-003, issued April, 2018, to add updated information for Carrying Capacity Reduced Label.
Bulletin TSB-19-00-008 · Equipment · Jul 2019This is a service newsletter (Tech Talk) that was sent out to dealers.
Bulletin TT237 · Equipment · Feb 2018This is a service newsletter (Tech Talk) that was sent out to dealers.
Bulletin TT218 · Engine And Engine Cooling, Wheels, Power Train · Aug 2015This TSB contains troubleshooting steps for diagnosis of various customer complaints relating to the audio system speakers in Mitsubishi vehicles equipped with original equipment audio components.
Bulletin TSB-15-54-004 · Equipment · Jul 2015This is a service newsletter (Tech Talk) that was sent out to dealers.
Bulletin TT217 · Seats, Power Train, Fuel System, Gasoline · Jul 2015This is an index of Tech Talk newsletter articles released in 2012.
Bulletin TTIndex12 · Equipment · Mar 2013This is a service newsletter (Tech Talk) that was sent out to dealers.
Bulletin TT195 · Wheels, Steering, Power Train · Mar 2013This is a service newsletter (Tech Talk) that was sent out to dealers.
Bulletin TT194 · Power Train, Electrical System, Back Over Prevention · Feb 2013Source: NHTSA Office of Defects Investigation, listed for the DIAMANTE. Model-year data, not specific to one car.
About the Mitsubishi Diamante
The Mitsubishi Diamante is an automobile that was manufactured by Mitsubishi Motors from 1990 to 2005. The first series was a hardtop introduced to the public at the Tokyo Motor Show in 1989. It went on sale in Japan exclusively in May 1990 and won that year's Japan Car of the Year award. It was created by splicing an extra 6.6 cm (2.6 in) right down the middle of the Mitsubishi Galant, which itself had won the Japan Car of the Year award in 1987. The Diamante's platform was also used for the sporty Mitsubishi 3000GT.
From Wikipedia, licensed CC BY-SA 4.0. Describes the model line in general, not this model year specifically.
Safety recall campaigns 1
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 REPLACEMENT AIR BAG ALERT LABELS FOR THE SUN VISORS. THIS RECALL IS EXPEC
NHTSA Campaign #04V428000 · 01/09/2004These are NHTSA recall campaigns for this model year, last checked 4 Nov 2026. They don't show whether this particular car has had the repair done — check this VIN on NHTSA.gov or ask a franchised dealer. Recall repairs are done at no charge.
We'll email you the moment a new safety recall is issued — no spam, unsubscribe any time.
Common problems & what to inspect
Based on all 27 owner complaints filed with NHTSA for the 1998 Mitsubishi Diamante, here are the most-reported problem areas — and what to check before you buy.
💥 1 involved a crash 🚑 4 reported injuries
🔍 Test wipers, washers, defrosters and all mirrors. Check the windshield for cracks and any camera/sensor for fogging or faults.
🔍 Test cruise control and throttle response, and watch for any hesitation or unintended acceleration.
🔍 Brakes should feel firm and quiet — no grinding, pulsing or pulling. Check for an ABS light and uneven pad/rotor wear.
🔍 Have a trusted mechanic inspect this system as part of a pre-purchase inspection.
🔍 Test every electrical feature: windows, locks, infotainment, charging and all lights. Watch for flickering, dead accessories or warning lights.
🔍 Have a trusted mechanic inspect this system as part of a pre-purchase inspection.
Pre-purchase checklist
- Match the VIN on the dash, door jamb and title — they must be identical.
- Cold-start the engine; listen for knocks and check for blue or white exhaust smoke.
- Test-drive through all gears at low and highway speed — no slipping, shudder or pulling.
- Confirm every warning light clears at startup (none should stay on).
- Check fluids — oil, coolant, transmission — for level, color and leaks.
- Look underneath for rust, fresh undercoating or signs of collision repair.
- Always get an independent pre-purchase inspection from a trusted mechanic.
Owner complaints 27
Complaints filed with NHTSA by owners of the 1998 Mitsubishi Diamante.
VISIBILITY/WIPER
THE HEATER CORE HAS FAILED (ONCE AGAIN) I AM NOT SURE OF ANY COMPANY THAT HAS REALEASED THEIR CARS WITH SUCH A MAJOR FAILURE WITHOUT TAKING SOME KIND OF RESPONSIBILITY TO RECALL THIS ITEM IN THE CAR. NEARLY ALL OF THE HEATER CORES FROM MITSUBISHI DIAMANTES THAT I HAVE SEEN ARE ALL BAD. LEAKS ONTO THE ECU AND CAUSES A WHOLE HECK LOAD OF PROBLEMS. PLEASE DOT H…
NHTSA ODI #10715681VEHICLE SPEED CONTROL
WE JUST CLEARED CANADIAN CUSTOMS AT BLAINE WA, PACIFIC CROSSING, AND WERE ACCELERATING TO SPEED LIMIT ON I 5 FREEWAY WHEN THE CAR ACCELERATED TO NEAR 100 MILES AN HOUR. THE TACH AT SOME POINT WAS 7500 AND INCREASING. THE ACCELERATOR WAS STUCK AND EVENTUALLY WE WERE ABLE TO GET TO THE EMERGENCY LANE AREA AND TURNED OF THE IGNITION KEY. FULL PRESSURE ON THE…
NHTSA ODI #10243812VISIBILITY
THIS IS THE SECOND TIME THE HEATER CORE HAS STARTED TO LEAK. IT WAS REPLACED 40K MILES AGO AND I WAS CHARGED $ 1,000 FOR REPAIR COSTS. HAVING RESEARCHED THIS, IT IS DUE TO FAULTY HEATER CORE GASKETS WHICH MITSUBISHI REPLACED THE DEFECTIVE GASKETS WITH A REDESIGNED ONE. THE CAR IS UNDRIVABLE DUE TO THE TOXIC FUMES FROM THE ETHYLENE GLYCOL COMING OUT OF A…
NHTSA ODI #10242656ELECTRICAL SYSTEM
WILL NOT PASS EMISSION THERE ARE NO READINESS CODES STORED IN COMPUTER. *TR
NHTSA ODI #10225765VISIBILITY
EVERYTIME THE HEATER IS SWITCHED ON, I CAN FEEL A WEIRD SMELL WHICH WILL LAST FOR ABOUT 10 MINS. THIS SMELL SEEMS LIKE SUFFOCATING AND HAVE TO OPEN THE WINDOWS FOR THE FRESH AIR TO ENTER. THERE IS SOME KIND OF LEAK IN THE ENGINE COMPARTMENT, I AM NOT SURE WHERE THE LEAK IS FROM. I AM BIT WORRIED ABT THE SMELL. THANKS *TR
NHTSA ODI #10208520VISIBILITY
FAILURE OF HEATER CORE GASKETS RESULTING IN FUMES INSIDE THE CAR FROM ANTI-FREEZE; THIS IS THE 2ND TIME THIS HAS HAPPENED WITH THIS VEHICLE IN THE LAST 35,000 MILES AND THE REPAIR LABOR IS ESTIMATED AT 6 HOURS, WHICH IS AROUND $1,000. *JB
NHTSA ODI #10156551VISIBILITY
1998 MITSUBISHI DIAMANTE HEATER CORE LEAKING FOGGING WINDSHIELD DURING FREEWAY TRAVEL. HAZARD TO HEALTH WITH WHILE OPERATION AUTO. *NM
NHTSA ODI #10147032VISIBILITY
WHILE DRIVING CONSUMER SMELLED A BAD ODOR COMING FROM THE HEATER CORE. HEATER SYSTEM WAS LEAKING COOLANT. THIS HAPPENED THREE TIMES. THE SEAL HAD TO BE REPLACED. *AK THE VEHICLE'S HEATER CORE AND REFRIGERANT WERE REPLACED. *NM
NHTSA ODI #10109306+ 19 more complaints on record.
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