Is the 1999 Mitsubishi Eclipse reliable?

It can be reasonably reliable if it has solid maintenance records, especially for timing belt service and cooling system care. Turbo and heavily modified cars tend to be less reliable than stock, well-maintained non-turbo trims.

What are the most common 1999 Mitsubishi Eclipse problems?

Common issues include overdue timing belt components, turbo wear or boost leaks on GS-T/GSX models, automatic transmission slipping or harsh shifts, and check-engine lights from aging sensors or idle/air metering components.

Are maintenance costs high for a 1999 Eclipse?

Costs are moderate for stock non-turbo cars, but can rise quickly for turbo models or cars needing catch-up service. Timing belt work, turbo-related repairs, and transmission issues are the biggest budget items.

What are the best years of Mitsubishi Eclipse to buy?

Many shoppers prefer late second-generation models like 1997–1999 for updated features and sorted production, but condition matters more than model year. A stock, well-documented car is usually a better buy than a newer but neglected example.

What should I check before buying a 1999 Mitsubishi Eclipse?

Verify timing belt/water pump records, confirm smooth transmission operation, check for overheating or coolant issues, scan for trouble codes, and inspect for modifications, boost leaks, or turbo smoke (if equipped). A pre-purchase inspection is strongly recommended. Get a complete owner’s guide with full 1999 Mitsubishi Eclipse specs, trim breakdowns, and maintenance schedules to help you buy smarter and keep it running strong.

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Reliability AnalysisBased on known issue patterns, repair cost data, and ownership trends · How we score

1999 Mitsubishi Eclipse Reliability ReportCommon Problems, Repair Costs & Expert Verdict

68/ 100

MODERATE RISK

Grade: C-

A head-turning, fun-to-drive coupe, but be prepared for its unique maintenance demands and potential costly repairs.

Full system breakdown + what I would do

Should You Buy the 1999 Mitsubishi Eclipse?

The 1999 Mitsubishi Eclipse is a stylish and sporty coupe that offers engaging driving dynamics, especially in its turbocharged variants. However, its age combined with known weaknesses in certain powertrains and electrical systems means it demands diligent maintenance and a careful pre-purchase inspection. While not inherently unreliable, owners should anticipate regular upkeep and potential significant repairs, particularly if the automatic transmission is present or engine maintenance has been deferred.

Biggest Strengths

Distinctive styling and strong curb appeal
Potent turbocharged engine (4G63T) performance
Vast aftermarket support and enthusiast community

Top Risk Areas

The systems that break first on the 1999 Mitsubishi Eclipse. Mileage windows, repair costs, and fix-before-you-buy notes are in the full report.

Automatic Transmissionmajor

Engine (4G63T only)critical

Electrical Systemmoderate

Typical mileage, cost ranges, and the exact what-to-check list are in the full report.

NHTSA Recalls

11 recalls on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.

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.

SUSPENSION:FRONT:CONTROL ARM:LOWER BALL JOINT

VEHICLE DESCRIPTION: PASSENGER VEHICLES. IF THE RUBBER BOOTS ON THE LOWER LATERAL ARM BALL JOINTS OF THE FRONT SUSPENSION WERE DAMAGED DURING ASSEMBLY, DIRT AND WATER CAN INTRUDE. ALSO, MMC HAS ADDED THE POTENTIAL OF LEAKING MOISTURE, WHICH CAN CAUSE THE BALL STUD TO CORRODE.

What breaks on the 1999 Mitsubishi Eclipse?

Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.

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Mitsubishi Eclipse by Year

Compare reliability scores across nearby years of the Mitsubishi Eclipse. Click any year for its full report.

All Mitsubishi Eclipse years ranked →Mitsubishi Eclipse years to avoid →Mitsubishi Eclipse common problems →

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