1987 Mazda RX-7 Reliability ReportCommon Problems, Repair Costs & Expert Verdict
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Quick Facts · 1987 Mazda RX-7
- No active NHTSA safety recalls on record — a clean recall slate for the 1987 model year.
- Scores 17 points below the strongest nearby year — the 1985 Mazda RX-7 earns a 62.
- The system most likely to surface first: rotary engine longevity (critical severity).
The 1987 Mazda RX-7 at a glance
- Is the 1987 Mazda RX-7 reliable?
- Autojunket rates the 1987 Mazda RX-7 45/100 (grade D), categorized as high risk. A charismatic but mechanically demanding classic requiring deep pockets and enthusiast-level commitment.
- Should I buy a used 1987 Mazda RX-7?
- Autojunket recommends reading the full reliability report before buying a 1987 Mazda RX-7. The 1987 Mazda RX-7 is a car for the dedicated enthusiast or collector, not for the casual buyer seeking reliable transportation. It offers an undeniably engaging driving experience and iconic styling, but it comes with a high likelihood of significant mechanical and electrical issues, primarily centered around its…
- Which Mazda RX-7 years are the most reliable?
- Best model years to buy: For the FC generation, later S5 models (1989-1991) generally benefited from minor reliability improvements, but all rotary RX-7s require meticulous care. A well-documented, lower-mileage example from any year is preferable.. Years to avoid: Avoid any model year with vague or no service history, evidence of consistent neglect, or a known 'hot start' issue without a professional compression test..
- What are the most common problems with the 1987 Mazda RX-7?
- The top failure points on the 1987 Mazda RX-7 are Rotary Engine Longevity (typically around 60,000-100,000 (earlier if neglected) miles), Turbocharger System (Turbo II) (typically around 70,000-110,000 miles), Electrical and Vacuum Systems (typically around All mileage ranges (age-related) miles). Autojunket's full report includes repair-cost ranges and inspection checklists for each.
- At what mileage do problems start on the 1987 Mazda RX-7?
- The first major mileage danger zone for the 1987 Mazda RX-7 is around 30,000. Early Warning Zone — At this mileage, an RX-7 should ideally be pristine. Any signs of neglect, poor starting, or excessive oil consumption are major red flags, indicating potential early engine wear or deferred maintenance.
Every answer is generated from real repair, recall, and ownership data — full breakdown in the report.
Read the full free reportShould You Buy the 1987 Mazda RX-7?
Owning a 1987 Mazda RX-7 is a passionate affair, not a practical one. This vehicle demands a dedicated owner who understands the unique care and potential financial commitment of its legendary rotary engine. While its handling and styling are timeless, a decision to buy must be tempered with a clear understanding of the significant maintenance and rebuild risks involved.
The 1987 Mazda RX-7 is a car for the dedicated enthusiast or collector, not for the casual buyer seeking reliable transportation. It offers an undeniably engaging driving experience and iconic styling, but it comes with a high likelihood of significant mechanical and electrical issues, primarily centered around its…
Best Model Years
For the FC generation, later S5 models (1989-1991) generally benefited from minor reliability improvements, but all rotary RX-7s require meticulous care. A well-documented, lower-mileage example from any year is preferable.
Years to Avoid
Avoid any model year with vague or no service history, evidence of consistent neglect, or a known 'hot start' issue without a professional compression test.
Biggest Strengths
- Robust chassis and suspension design
- Timeless and attractive styling
- Engaging driving dynamics
Top Risk Areas
The systems that tend to fail first on the 1987 Mazda RX-7, 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.
Apex seals and coolant O-rings are primary wear items, leading to compression loss, misfires, hard starting (especially when warm), and eventual engine rebuilds. Carbon buildup from short trips exacerbates these issues.
The Hitachi HT18 turbocharger found on Turbo II models is prone to bearing wear and oil seal failure, leading to excessive smoke from the exhaust, reduced boost, and potential catastrophic turbo failure if neglected.
Brittle wiring, failing sensors (e.g., TPS, O2), sticky relays, and numerous aging vacuum lines developing leaks can cause erratic engine behavior, starting difficulties, idle issues, and non-functional accessories like pop-up headlights…
1987 Mazda RX-7 Mileage Danger Zones
The mileage windows when the 1987 Mazda RX-7 most commonly needs attention. Plan ahead, budget accordingly, and inspect before you cross each threshold.
Early Warning Zone
At this mileage, an RX-7 should ideally be pristine. Any signs of neglect, poor starting, or excessive oil consumption are major red flags, indicating potential early engine wear or deferred maintenance.
Critical Inspection Zone
This mileage is a major crossroads for rotary engines. A compression test is absolutely vital here. If proper maintenance hasn't been meticulous, apex and coolant seals may be nearing their end.
Rebuild Horizon
Most well-maintained rotary engines will be approaching or needing a rebuild around this mileage. Expect significant wear across many components. Deferred maintenance will almost certainly result in catastrophic failure soon.
Enthusiast/Restoration Zone
At this mileage, an RX-7 has either been meticulously maintained and possibly rebuilt, or it's a project car. Do not expect reliable daily driving without significant investment and a comprehensive overhaul. Budget for engine, transmissi…
1987 Mazda RX-7 Ownership Cost Outlook
What it typically costs to keep the 1987 Mazda RX-7 on the road. Full 5-year cost-of-ownership projection and major-failure-risk forecast are in the report.
Annual Maintenance
$800-1,500 (assuming no major failures)
Moderate Repairs
$1,000-3,000 annually (for aging components, turbo rebuilds, electrical fixes)
How Long Does the 1987 Mazda RX-7 Last?
For an RX-7, mileage is less of a concern than the engine's compression test results and the thoroughness of its maintenance history. A 100,000-mile engine with documented rebuilds and meticulous care can be a better buy than a 60,000-mile engine showing signs of neglect.
What 1987 Mazda RX-7 Owners Actually Say
What Owners Love
- Exceptional handling and balanced chassis feel
- Unique, high-revving rotary engine character
- Timeless pop-up headlight sports car styling
- Strong aftermarket support and dedicated enthusiast community
Common Frustrations
- Very high maintenance costs, especially for engine rebuilds
- Poor fuel economy for its performance class
- Significant oil consumption (normal for rotary, but requires constant monitoring)
- Frequent electrical gremlins and vacuum leaks
Who Should Buy the 1987 Mazda RX-7?
Best For
- Automotive enthusiasts and collectors
- Individuals with mechanical aptitude or access to rotary specialists
- Those looking for a unique classic sports car experience
Not Ideal For
- Daily commuters or primary family vehicles
- Budget-conscious buyers seeking low running costs
How the 1987 Mazda RX-7 Compares to Rivals
The RX-7 stands as a unique proposition, offering a distinct driving experience but demanding significantly more specialized maintenance and presenting higher risks than most conventional piston-engined sports cars of its era.
More Reliable Than
- Less common, obscure '80s sports cars with no parts support
- Vehicles with catastrophic structural rust issues
Comparable To
- Early Porsche 944 (on maintenance complexity)
- Nissan 300ZX (Z31) Turbo (on aging electricals)
- Toyota Supra (MK3) Turbo (on specific engine sensitivities)
NHTSA Recalls
No active NHTSA safety recalls on file for the 1987 Mazda RX-7. Always verify with your VIN atnhtsa.gov.
What breaks on the 1987 Mazda RX-7?
Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.
Autojunket OSC · OSC Transfer
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Mazda RX-7 by Year
Compare AutoScores across nearby years of the Mazda RX-7. Click any year for its full report.
If You're Considering This, Also Look At
Similar class, similar year range — ranked by AutoScore.
Relevant Products for Your 1987 Mazda RX-7
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Where the 1987 Mazda RX-7 report beats Carfax + CR
Carfax tells you if it crashed. Consumer Reports rates the whole nameplate. Autojunket tells you what will actually break on this specific year — and how to negotiate it.
Year-specific reliability score
Common problems + repair costs
Mileage danger zone map
AI negotiation script + walk-away price
Single report price
Frequently Asked Questions
Sell your 1987 Mazda RX-7 for what it's actually worth.
Log every service on your Mazda RX-7. When it's time to sell, hand the buyer a signed PDF — every receipt, mileage-verified, close the deal at your price.
- OSC Transfer PDF — every receipt
- Snap-a-receipt AI log
- Fuel & mileage tracker
- Shareable buyer view link
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