PLYMOUTH RELIANT · model year

1981 PLYMOUTH RELIANT

3 NHTSA complaints for this specific cohort.

NHTSA overall rating

Not crash-tested

New Car Assessment Program

The 1981PLYMOUTHRELIANT carries 3 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 injuries, and 1 fatality. No NCAP 5-star crash-test rating is available for this model year in the federal database.

Component-level analysis is where model-year complaints become actionable: the top complaint category for the 1981 RELIANT is structure:frame and members with 1 filings, followed by unknown or other (1) and equipment (1). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.

NHTSA currently has 5 investigation files overlapping the 1981 RELIANT. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.

3
Complaints
0
Crashes
0
Fires
0
Injuries
1
Deaths

Total Complaints

3 filings

Crashes Reported

0 reports

Source

NHTSA ODI

Federal complaints database

Complaints vs. fleet median (215)

At or below the fleet median complaint volume.

Complaints by Component

ComponentCount
STRUCTURE:FRAME AND MEMBERS1
UNKNOWN OR OTHER1
EQUIPMENT1

Recent Complaints

20100407UNKNOWN OR OTHER

1981 PLYMOUTH RELIANT K-CAR. CONSUMER STATES ACCELERATOR PROBLEMS. *TGW THE CONSUMER STATED HIS PARENTS PURCHASED THE ABOVE MENTIONED VEHICLE. BUT, SINCE HE DID MOST OF THE DRIVING, HE ASKED THEM IF HE COULD INSTALL CRUISE CONTROL. HE THEN PURCHASED IT AND INSTALLED IT HIMSELF. THE UNIT RECEIVED ITS CONTROL PULSES FROM MAGNETS AROUND THE DRIVE SHAFT, WITH A MAGNETIC PICK UP SENSOR. AFTER ABOUT EIGHT MONTHS, THE UNIT HE INSTALLED STARTED TO ACT ERRATIC. SOMETIMES HE WOULD SET THE CRUISE SPEED, BUT WHEN HE APPROACHED TRAFFIC, HE TAPPED THE CANCEL BUTTON, THE VEHICLE WOULD CONTINUE TO SPEED UP. THERE WAS NO EFFECT WHEN APPLYING THE BRAKE PEDAL. THE CONSUMER THEN PURCHASED ANOTHER CRUISE CONTROL UNIT AND EXPERIENCED THE SAME PROBLEM.

20100407EQUIPMENT

1981 PLYMOUTH RELIANT K-CAR. CONSUMER STATES ACCELERATOR PROBLEMS. *TGW THE CONSUMER STATED HIS PARENTS PURCHASED THE ABOVE MENTIONED VEHICLE. BUT, SINCE HE DID MOST OF THE DRIVING, HE ASKED THEM IF HE COULD INSTALL CRUISE CONTROL. HE THEN PURCHASED IT AND INSTALLED IT HIMSELF. THE UNIT RECEIVED ITS CONTROL PULSES FROM MAGNETS AROUND THE DRIVE SHAFT, WITH A MAGNETIC PICK UP SENSOR. AFTER ABOUT EIGHT MONTHS, THE UNIT HE INSTALLED STARTED TO ACT ERRATIC. SOMETIMES HE WOULD SET THE CRUISE SPEED, BUT WHEN HE APPROACHED TRAFFIC, HE TAPPED THE CANCEL BUTTON, THE VEHICLE WOULD CONTINUE TO SPEED UP. THERE WAS NO EFFECT WHEN APPLYING THE BRAKE PEDAL. THE CONSUMER THEN PURCHASED ANOTHER CRUISE CONTROL UNIT AND EXPERIENCED THE SAME PROBLEM.

19951012FatalSTRUCTURE:FRAME AND MEMBERS

DEATH RESULTED FROM SIDE IMPACT, ATTORNEY FOR CLIENT. *AW

Compare 1981PLYMOUTHRELIANT to Similar Vehicles

NHTSA Investigations

Frequently Asked Questions

How many complaints does the 1981 PLYMOUTH RELIANT have?
The 1981 PLYMOUTH RELIANT has 3 NHTSA complaints, 0 crashes, 0 fires, 0 injuries, and 1 deaths reported.
What are the most common problems with the 1981 PLYMOUTH RELIANT?
The most-complained component for the 1981 PLYMOUTH RELIANT is STRUCTURE:FRAME AND MEMBERS with 1 complaints. Other frequently reported areas include UNKNOWN OR OTHER and EQUIPMENT.
Is the 1981 PLYMOUTH RELIANT safe to buy?
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.

Vehicle Safety Guides

Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.