Is the 1989 Toyota Supra reliable?

It can be reliable when maintained carefully, but it’s sensitive to neglected cooling and oil service. A well-documented car with refreshed cooling components and a healthy engine is usually far more dependable than a low-priced example with unknown history.

What are the most common 1989 Toyota Supra problems?

The most reported issues include head gasket failure on 7M engines, overheating from aging cooling components, turbo wear on 7M-GTE cars, and electrical/sensor problems due to age.

Are maintenance costs high for a 1989 Supra?

Costs are typically moderate to high compared to economy cars because it’s an older performance platform and many cars need catch-up work. Budget extra for cooling system updates, rubber hoses, seals, and occasional troubleshooting.

What are the best years to buy in the A70 Supra generation?

Many buyers look for later A70 cars with strong maintenance records, and turbo models are the most desirable for performance. More important than year is documentation of cooling and head gasket-related work and overall condition.

What should I check before buying a 1989 Toyota Supra?

Check for overheating signs, coolant contamination, compression and leak-down results, oil leaks, turbo smoke/shaft play (if turbo), clean idle and smooth boost, and proof of recent cooling-system service. Also inspect for wiring hacks, poor-quality modifications, and rust in common areas. For a deeper dive, get a complete owner’s guide with full specs, factory options, and maintenance schedules to help you buy smart and keep your 1989 Toyota Supra running strong.

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

1989 Toyota Supra Reliability ReportCommon Problems, Repair Costs & Expert Verdict

78/ 100

KeepScore

MODERATE RISK

Grade: C+

A rewarding enthusiast's car, but only for those prepared to tackle the notorious 7M head gasket and the ravages of time.

Full system breakdown + what I would do

Quick Facts · 1989 Toyota Supra

No active NHTSA safety recalls on record — a clean recall slate for the 1989 model year.
Outscores the 1990 Toyota Supra by 8 points — one of the stronger nearby years to consider.
The system most likely to surface first: engine (7m-gte head gasket) (major severity).

Should You Buy the 1989 Toyota Supra?

The 1989 Toyota Supra offers exhilarating performance and classic Japanese sports car appeal, but it comes with a well-documented Achilles' heel: the 7M-GTE engine's head gasket. While many components are built to last, neglecting this critical weakness or general age-related maintenance can lead to significant and costly repairs. This vehicle is a solid choice for enthusiasts willing to invest in proactive maintenance or address known issues.

Biggest Strengths

Robust chassis and body structure for its era
Strong aftermarket support and parts availability
Potent engine performance (7M-GTE) when properly maintained

Top Risk Areas

The systems that break first on the 1989 Toyota Supra. Mileage windows, repair costs, and fix-before-you-buy notes are in the full report.

Engine (7M-GTE Head Gasket)major

Aging Electrical Systemmoderate

Suspension & Steering Componentsmoderate

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

NHTSA Recalls

No active NHTSA safety recalls on file for the 1989 Toyota Supra. Always verify with your VIN atnhtsa.gov.

What breaks on the 1989 Toyota Supra?

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

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Toyota Supra by Year

Compare KeepScores across nearby years of the Toyota Supra. Click any year for its full report.

All Toyota Supra years ranked →Toyota Supra years to avoid →Toyota Supra common problems →

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