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

1987 GMC Jimmy Reliability ReportCommon Problems, Repair Costs & Expert Verdict

68/ 100
MODERATE RISK

Grade: C+

A rugged, iconic SUV, but a thorough pre-purchase inspection for rust and electrical integrity is absolutely critical.

Full system breakdown + what I would do

Should You Buy the 1987 GMC Jimmy?

The 1987 GMC Jimmy, particularly the full-size K5 Blazer variant, is a robust classic SUV built on a solid platform. While its mechanicals are generally simple and durable, its age introduces significant risks related to rust, aging electrical systems, and neglected maintenance that demand a cautious approach for prospective buyers.

Biggest Strengths

  • Simple, robust drivetrain components (SBC V8, TH400/700R4)
  • Strong body-on-frame construction
  • Excellent parts availability due to shared GM truck components

Top Risk Areas

The systems that break first on the 1987 GMC Jimmy. Mileage windows, repair costs, and fix-before-you-buy notes are in the full report.

1
Rust and Body Corrosioncritical
2
Electrical Systemmoderate
3
Fuel System (Carburetor/TBI)moderate
Typical mileage, cost ranges, and the exact what-to-check list are in the full report.

NHTSA Recalls

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

EXTERIOR LIGHTING

CERTAIN PRO-A MOTORS CORNER LAMPS, TURN SIGNALS, AND HEADLIGHTS SOLD AS REPLACEMENT LAMPS FOR USE ON CERTAIN PASSENGER VEHICLES LISTED ABOVE. SOME COMBINATION LAMPS THAT ARE NOT EQUIPPED WITH AMBER SIDE REFLECTORS FAIL TO CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT.

What breaks on the 1987 GMC Jimmy?

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

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GMC Jimmy by Year

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

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Similar class, similar year range — ranked by reliability score.

Relevant Products for Your 1987 GMC Jimmy

Parts and accessories matched to your 1987 GMC Jimmy

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Frequently Asked Questions

Full Report

1987 GMC Jimmy

7-system breakdown, mileage danger zones, repair cost projections, buyer checklist, and expert verdict.

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Complete Owner's Guide

Already own one? Get the 13-chapter owner's guide with specs, service schedules, and fluid capacities.

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Final Step

Know every issue before you sign.

A free reliability report can catch a $3,000 problem. Full breakdown for the 1987 GMC Jimmy — delivered in under 60 seconds.

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