1977 GMC P20

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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0Owner complaints

Model-year median: 0

1Recall campaigns

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0Investigations

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

No component reports in this snapshot.

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When problems were reported

Mileage at the reported incident

Limited mileage data: 0 of 0 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports0 fire reports0 injury reports

What owners actually said

0 reports

No matching complaints in this snapshot.

Official recalls

1

77V216000 · Seats

Dec 14, 1977

THE INVOLVED VEHICLES FAIL TO COMPLY WITH FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 207, "ANCHORAGE OF SEATS", DUE TO POSSIBLE FAILURE OF THE SEAT POST ATTACHMENT AT THE FLOOR IN THE EVENT OF AN ACCIDENT. THESE VEHICLES HAVE OVERSIZED BOLT HOLES IN THE FLOOR PAN WHICH MAY ALLOW THE SEAT ATTACHING NUTS TO PASS THROUGH THEM AND THUS TIGHTEN AGAINST THE BOTTOM OF THE SEAT BASE INSTEAD OF THE LONGITUDINAL SILL.

Consequence & remedy

Consequence: Not supplied

Remedy: DEALER WILL INSTALL A STEEL REINFORCEMENT PLATE ON THE BOTTOM SURFACE OF THE LONGITUDINAL SILL, AT NO COST TO OWNER.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.