1987 Mitsubishi Montero Reliability ReportKeepScore 62/100 · top failure points · buy or avoid
Quick Facts · 1987 Mitsubishi Montero
- Scores 6 points below the strongest nearby year — the 1985 Mitsubishi Montero earns a 68.
- The system most likely to surface first: rust & structural integrity (critical severity).
- Has 1 NHTSA recall on record — the most notable involves the seat belts:front:buckle assembly.
1987 Mitsubishi Montero: Buy or Avoid?
The 1987 Mitsubishi Montero is a rugged, capable off-roader that was ahead of its time for durability, but age has made it a 'proceed with caution' prospect. While mechanically sound at its core, finding one not ravaged by rust or overdue for significant maintenance is the real challenge, demanding a discerning eye and a healthy repair budget.
The 1987 Mitsubishi Montero is a legitimate classic SUV, revered for its ruggedness and capability. However, its age is its biggest adversary. You are not buying a car; you are buying a project with the potential to be a fantastic vintage off-roader. Proceed only if you have a significant budget for repairs, mechani…
Best Model Years
Early 1st Generation (1983-1989) are generally preferred for their simpler mechanicals and classic aesthetic, with minimal year-to-year differences.
Years to Avoid
Avoid any Montero, regardless of year, with significant structural rust or unaddressed major engine issues. Cosmetic issues are one thing; frame rot is another.
Biggest Strengths
- Robust ladder frame and body-on-frame construction
- Capable Part-Time 4WD system with low range
- Relatively simple mechanicals, making DIY repairs feasible
1987 Mitsubishi Montero — Known Trouble Spots
The systems that tend to fail first on the 1987 Mitsubishi Montero, with the typical mileage window when each becomes a concern. Detailed repair-cost ranges and exact what-to-check inspection notes are in the full report.
Extensive rust on the frame, body mounts, rocker panels, wheel arches, and floor pans is widespread, often compromising safety and structural integrity. Fuel and brake lines are also highly susceptible to corrosion.
The 3.0L V6 (6G72) is prone to hardened valve stem seals leading to excessive oil consumption and blue smoke. The 2.6L I4 (4G54) suffers from timing chain stretch and balance shaft chain tensioner issues, often due to neglected oil chang…
Worn front suspension bushings, ball joints, tie rod ends, and idler arms are common, resulting in loose steering, clunking noises, and poor alignment. Rear leaf springs can sag, impacting ride height and load-carrying ability.
1987 Mitsubishi Montero Mileage Danger Zones
The mileage windows when the 1987 Mitsubishi Montero most commonly needs attention. Plan ahead, budget accordingly, and inspect before you cross each threshold.
Low Risk Zone
At this mileage, the vehicle is barely broken in. Focus should be on basic fluid changes, tire rotation, and checking for any early factory defects or initial wear components.
Maintenance Zone
This mileage marks the point where more significant maintenance items begin. For V6 models, this is often the first major timing belt service interval. Suspension components will start showing initial wear.
Elevated Risk Zone
This is where major mechanical and age-related issues become more prevalent. Engine top-end issues, advanced suspension wear, and potential transmission concerns are likely to surface if not addressed.
High Risk Zone
Beyond 120k, every system is nearing or beyond its designed lifespan. Rust, especially in critical areas, often becomes the overriding concern. Expect significant investment in all major systems.
1987 Mitsubishi Montero Ownership Cost Outlook
What it typically costs to keep the 1987 Mitsubishi Montero on the road. Full 5-year cost-of-ownership projection and major-failure-risk forecast are in the report.
Annual Maintenance
$600-1,000 (assuming DIY or classic-friendly shop rates)
Moderate Repairs
$500-1,500 annually (for common age-related failures or component refreshes)
How Long Does the 1987 Mitsubishi Montero Last?
For a Montero of this vintage, mileage is less critical than documented maintenance history and, most importantly, overall condition. A meticulously maintained 150,000-mile example is vastly preferable to a neglected 80,000-mile barn find, particularly regarding rust.
What 1987 Mitsubishi Montero Owners Actually Say
What Owners Love
- Exceptional off-road capability for its era, tackling tough trails with ease.
- Rugged, no-nonsense styling that stands out from modern vehicles.
- Relatively simple mechanics for DIY enthusiasts to maintain and repair.
- Comfortable ride for a body-on-frame SUV, especially on longer trips.
Common Frustrations
- Pervasive rust issues, making finding a clean example extremely difficult.
- Fuel economy is poor, especially with the 2.6L I4 struggling on the highway.
- Lack of modern amenities and safety features, expected for its age.
- Parts can be scarce and expensive for specific trim pieces or unique mechanical components.
Who Should Buy the 1987 Mitsubishi Montero?
Best For
- Off-road enthusiasts seeking a capable, old-school 4x4.
- Classic SUV collectors who appreciate its historical significance and unique styling.
- DIY mechanics looking for a rewarding project.
Not Ideal For
- Daily commuters who prioritize fuel economy and a smooth, quiet ride.
- Individuals on a tight budget for maintenance and repairs.
How the 1987 Mitsubishi Montero Compares to Rivals
The Montero was a very capable and robust vehicle for its time, often compared favorably to the early Toyota 4Runner for off-road prowess. Its primary disadvantage today versus something like a 4Runner or Cherokee XJ is generally less aftermarket support and parts availability…
More Reliable Than
- No direct competitor in its price range offers superior reliability at this age without significant investment.
Comparable To
- 1st Gen Toyota 4Runner
- Isuzu Trooper (early models)
- Jeep Cherokee XJ (for off-road capability, but different platform)
Safety Recalls on the 1987 Mitsubishi Montero
1 recall on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.
SEAT BELTS:FRONT:BUCKLE ASSEMBLY
THE FRONT SAFETY BELT BUCKLE RELEASE BUTTONS CAN BREAK. THESE RED PLASTIC RELEASE BUTTONS ARE MARKED "PRESS." IF A BUTTON BREAKS, PIECES CAN FALL INTO THE BUCKLE ASSEMBLY CAUSING THE BUCKLE TO OPERATE IMPROPERLY.
What breaks on the 1987 Mitsubishi Montero?
Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.
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Mitsubishi Montero — Year-by-Year Comparison
Compare KeepScores across nearby years of the Mitsubishi Montero. Click any year for its full report.
Competing 1987s Worth a Look
Similar class, similar year range — ranked by KeepScore.
Relevant Products for Your 1987 Mitsubishi Montero
Parts and accessories matched to your 1987 Mitsubishi Montero
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Frequently Asked Questions
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