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#BS-1978-POR928-514A

1978 Porsche 928

Based on reports from 0 owners and 9 recalls for this exact model.

Complaints
0
Crashes
0
Fires
0
Recalls
9
TSBs
55
✅

Preliminary Verdict

Green Light

Based on 0 complaints, 0 crashes, 0 fires, and 9 recalls.

See full verdict with buy/skip conditions

Preview: What's in your full report

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30,000-Mile Cost Projection

Best Case

$X,XXX

Most Likely

$X,XXX

Worst Case

$X,XXX
Includes fuel costs, common repairs, and recall riskUnlock

Also in your report

Owner Intelligence

AI-synthesized themes from real complaints

Buyer Lot Checklist

Questions, test drive checks, walk-away triggers

Negotiation Talking Points

Data-backed dollar deductions

Buy / Skip Verdict

Final recommendation with conditions

10 sections total in the full reportUnlock all

Don't negotiate blind — know what this car costs to own

Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict

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Recall History (9 recalls)

78V119000Jun 1978

STEERING:LINKAGES:KNUCKLE:SPINDLE:ARM

BOTH THE LEFT AND RIGHT STEERING ARM ARE ATTACHED TO THE FRONT AXLE KNUCKLE WITH TWO FASTENING BOLTS. THESE BOLTS ARE BEVELED BELOW THE HEX HEAD TO FIT INTO THE CHAMFERED HOLES IN THE STEERING ARM FOR PROPER FASTENING. THE CHAMFERING IN THESE STEERING ARM HOLES WAS OMITTED DURING MANUFACTURE. SHOULD THE BOLTS LOOSEN, THE STEERING ARM COULD BECOME LOOSE.

78V120000

VEHICLE SPEED CONTROL

THE ELECTRICAL CONTACT POINTS INSIDE THE STEERING COLUMN SPEED CONTROL SWITCH MAY HAVE BEEN IMPROPERLY MANUFACTURED. AS A RESULT, "STICKING" COULD OCCUR AND CAUSE THE SPEED CONTROL SYSTEM TO STOP FUNCTIONING.

78V121000

SUSPENSION:FRONT

THE FRONT AXLE CASTER AND CAMBER ADJUSTERS COULD CRACK DUE TO IMPROPER MANUFACTURE. SHOULD THIS HAPPEN, THE ADJUSTERS COULD LOOSEN AND CAUSE WHEEL MISALIGNMENT. ALSO, THE TIRE ON EITHER THE LEFT OR RIGHT SIDE COULD EXPERIENCE EXTENSIVE WEAR.

78V122000

PARKING BRAKE:CONVENTIONAL:MECHANICAL:LINKAGE AND CABLE

THE EMERGENCY BRAKE CABLE MAY HAVE BEEN IMPROPERLY ROUTED DURING ASSEMBLY. CONSEQUENTLY, THE CABLE COULD CHAFE AGAINST THE BRAKE LINE OR BRAKE HOSE BRACKETS. CHAFING COULD LEAD TO DAMAGE TO THE EMERGENY BRAKE CABLE.

78V123000

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS

THE EXISTING BRAKE HOSES MAY HAVE BEEN TWISTED DURING ASSEMBLY. CONSEQUENTLY, THE HOSE COULD CHAFE AGAINST THE EMERGENCY BRAKE CABLE. PROLONGED CHAFING COULD RESULT IN LOSS OF BRAKE FLUID, THUS AFFECTING REAR BRAKES.

+ 4 more recalls in the full report

Recall severity analysis & seller scripts

The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.

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About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 0 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 9 recalls found for this vehicle.

Repair Cost Data

Real-world repair costs from owner reports and independent databases.

Other Porsche 928 Model Years

19941993199219911990198919881987198619851984198319821981198019791978
View all Porsche 928 years →

1978 Porsche 928: Frequently Asked Questions

What is the most common problem with the 1978 Porsche 928?
Based on NHTSA data, the 1978 Porsche 928 has 0 total complaints on file.
Is the 1978 Porsche 928 reliable?
The 1978 Porsche 928 has 0 complaints, 0 crash reports, and 0 fire reports filed with NHTSA. The full report analyzes whether these numbers indicate real risk or are proportional to the vehicle’s popularity.
How much does it cost to fix 1978 Porsche 928 problems?
Repair costs vary by issue. The full BumperScan report includes detailed repair cost estimates (low/median/high) for every major issue, plus a 30,000-mile total cost of ownership projection.
Does the 1978 Porsche 928 have any recalls?
Yes, the 1978 Porsche 928 has 9 recalls on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.
What mileage do Porsche 928 problems start?
Mileage data is limited for this vehicle. The full report analyzes available data to identify failure patterns by mileage range.
What’s in the full report?
10 sections of AI analysis: severity-ranked issues, component scores (0-100), 30K-mile cost projection, failure timeline by mileage, recall details with seller scripts, owner sentiment analysis, mechanic checklist, buyer lot checklist, negotiation ammo with dollar figures, and a buy/skip verdict.
How is this different from free NHTSA data?
NHTSA gives you raw complaint text. BumperScan cross-references 2.1M+ complaints with community repair cost data, EPA fuel data, and recall records — then uses AI to synthesize it into actionable advice with dollar figures.
How is this different from Carfax?
Carfax is VIN-specific history ($45/report). BumperScan is model-level reliability intelligence — what problems this car is known for, what they cost, and whether you should buy it. Complementary, not competing.
What if the report isn’t useful?
100% money-back guarantee. If the report doesn’t help you make a more informed decision, we’ll refund you — no questions asked.
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10 sections of AI analysis based on 0 owner reports. Know before you buy.

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