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2002 Mitsubishi Diamante

2002 Mitsubishi Diamante

Sedan
FWD
Premium Gasoline
Horsepower
MPG Combined
18 mpg
MSRP
Torque
Reliability Score
98/ 100Excellent
Based on 162 NHTSA complaints

Should You Buy a 2002 Mitsubishi Diamante?

The 2002 Mitsubishi Diamante is a front-wheel-drive sedan that combines a powerful 3.5L V6 engine with a 4-speed automatic transmission, delivering 210 horsepower and 231 lb-ft of torque. With a combined fuel economy of 18 MPG and a starting MSRP of $26,997, it positions itself as a mid-range option for buyers seeking a balance of performance and comfort. The Diamante seats five and offers a spacious interior, making it suitable for families or those needing extra room for passengers and cargo.

However, potential buyers should be aware of the vehicle's history, as it has received a total of 162 complaints to the NHTSA, with 9 related to crash incidents and 13 injuries reported. Notably, the most common issues involve the visibility and HVAC system, particularly the heater core, which has shown problems at various mileage intervals. Despite these concerns, the Diamante boasts a reliability score of 97.9/100, indicating that many owners have had positive experiences with the vehicle's overall performance and dependability.

Ideal For

The 2002 Mitsubishi Diamante is best suited for families or individuals seeking a reliable, spacious sedan with a strong engine, who are willing to manage some common maintenance issues.

Strengths

  • +Spacious interior with comfortable seating for five
  • +Strong V6 engine providing ample power for daily driving
  • +High reliability score of 97.9/100
  • +Premium features for a mid-range sedan
  • +Good safety ratings despite some crash incidents

Weaknesses

  • -Common issues with the HVAC system and heater core
  • -Requires premium unleaded fuel, increasing operating costs
  • -Limited availability of parts due to age
  • -Older design may not appeal to modern aesthetic preferences
  • -4-speed automatic transmission may feel outdated compared to newer models

Known Issues (NHTSA Data)

The 2002 Mitsubishi Diamante has a notable number of complaints, particularly concerning the visibility and HVAC system, with a significant focus on the heater core. Issues typically arise between 20,000 to 80,000 miles, indicating a pattern that prospective buyers should consider. While the vehicle has experienced some crash incidents, there are no significant fire complaints on record.

Complaint Patterns by Mileage
VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE
40000-60000 mi
15 reports
VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE
60000-80000 mi
13 reports
VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE
20000-40000 mi
7 reports
ENGINE AND ENGINE COOLING:COOLING SYSTEM
60000-80000 mi
7 reports
ENGINE AND ENGINE COOLING
60000-80000 mi
7 reports
VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE
80000-100000 mi
5 reports
Top Complaint Areas
VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE38% of complaints
ENGINE AND ENGINE COOLING11% of complaints
ENGINE AND ENGINE COOLING:COOLING SYSTEM10% of complaints
ELECTRICAL SYSTEM5% of complaints
VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM3% of complaints

Performance

Horsepower
Torque
Engine
3.5 L
Cylinders
V6
Transmission
Automatic 4-spd
Drive Type
FWD

Efficiency

MPG Combined
18
Fuel Type
Premium Gasoline

Dimensions

Length
194.1 in
Width
70.5 in
Height
56.7 in
Wheelbase
107.1 in
Curb Weight
3,439 lbs
Ground Clearance

Capacity

Doors
Seating
Cargo
Max Cargo
Max Towing
Max Payload

ddpc Estimated Value

$5,745
$4,884 – $6,607
Depreciation Over Time
New
5yr
10yr
15yr
ddpc Estimate based on original MSRP, standard depreciation curves, vehicle class, and NHTSA reliability data. Not a substitute for professional appraisal. Actual value depends on condition, mileage, location, and market conditions.

Estimated Cost of Ownership

Estimated Annual Cost
$4,701
Per Mile
$0.39
5-Year Total
$44,757
Fuel
$2,333/yr
Maintenance
$600/yr
Insurance
$1,768/yr
Depreciation
$4,250/yr
Based on industry-standard estimates for this vehicle class. Fuel cost assumes 12,000 mi/yr at national average gas prices. Maintenance uses class-based intervals, not manufacturer-specific schedules. Actual costs vary by location, driving habits, and vehicle condition.

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