Total Complaints
5 filings
GMC SUBURBAN · model year
1984 GMC SUBURBAN
5 NHTSA complaints, 2 crash reports for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 1984GMCSUBURBAN carries 5 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 2 crashes, 0 fires, 1 injury, and 0 fatalities. 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 1984 SUBURBAN is tires with 2 filings, followed by service brakes, hydraulic:foundation components:differential proportional valve (1) and wheels (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 2 investigation files overlapping the 1984 SUBURBAN. 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.
5
Complaints
2
Crashes
0
Fires
1
Injuries
0
Deaths
Crashes Reported
2 reports
Source
NHTSA ODI
Federal complaints database
Complaints vs. fleet median (215)
At or below the fleet median complaint volume.
Complaints by Component
| Component | Count |
|---|---|
| TIRES | 2 |
| SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DIFFERENTIAL PROPORTIONAL VALVE | 1 |
| WHEELS | 1 |
| TIRES:TREAD/BELT | 1 |
Recent Complaints
20010523CrashTIRES
PE00 020; CONSUMER WAS TRAVELING ABOUT 70MPH AND HEARD A NOISE. HE WENT TO SLOW DOWN AND WAS ABLE TO PULL OVER TO SHOULDERS. HE DIDN'T NOTICE ANYTHING, AND THEN SAW VEHICLE WOBBLING. TIRE BLEWOUT, AND DAMAGED RUNNING BOARD. FIRESTONE, LT 235/85R16, STEELTEX TEX R4S. *AK
20001004TIRES:TREAD/BELT
3YEARS AGO - 4 NEW TIRES PUT ON BY WESTERN AUTO - WHO WAS THEN BOUGHT BY SEARS - 9/2/00 TIRE TROUBLE - TAKEN TO NTB - (SEARS TIRE) TOLD THAT 1 TIRE HAD SEPERATED - REPLACED THE 1 TIRE - THEN HAD TROUBLE WITH ANOTHER TIRE - RETURNED TO NTB ON 9/14/00 TO FIND THAT ANOTHER TIRE HAD SEPERATED - BY ACCIDENT WHEN TALKING TO MECHANIC WAS TOLD THAT ON 9/2 HE HAD INFORMED THE FRONT THAT ALL 4 TIRES HAD SEPERATED. ALL 4 TIRES HAVE BEEN REPLACED. CAN FAX DOCUMENTATION IF NECESSARY. *AK (DOT NUMBER: PS 0957408 TIRESIZE: 235/75/R15)
20000824TIRES
TREAD SEPARATED FROM TIRECAUSING SEVERE SWERVE AND DAMAGE TO VEHICLE. *AK( DOT NUMBER: UNKNOWN TIRE SIZE: 31/10.5/15 )
19971003WHEELS
RIGHT REAR WHEEL CAME OFF VEHICLE, CAUSING LOSS OF CONTROL RESULTING IN COLLISION.
19950405CrashSERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DIFFERENTIAL PROPORTIONAL VALVE
PROPORTIONING VALVE MALFUNCTIONED CAUSING BRAKES TO FAIL. TT
Compare 1984GMCSUBURBAN to Similar Vehicles
NHTSA Investigations
Frequently Asked Questions
How many complaints does the 1984 GMC SUBURBAN have?▼
The 1984 GMC SUBURBAN has 5 NHTSA complaints, 2 crashes, 0 fires, 1 injuries, and 0 deaths reported.
What are the most common problems with the 1984 GMC SUBURBAN?▼
The most-complained component for the 1984 GMC SUBURBAN is TIRES with 2 complaints. Other frequently reported areas include SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DIFFERENTIAL PROPORTIONAL VALVE and WHEELS.
Is the 1984 GMC SUBURBAN 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.
Read our methodology — how this data is sourced, computed, and verified.