Total Complaints
8 filings
GMC SYCLONE · model year
1991 GMC SYCLONE
8 NHTSA complaints, 2 crash reports. A VIN lookup is required to determine whether a specific vehicle has an unrepaired recall.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 1991GMCSYCLONE carries 8 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, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
The most frequently selected component label in reports for the 1991 SYCLONE is service brakes, hydraulic:antilock/traction control/electronic limited slip with 5 filings, followed by power train:automatic transmission (1) and engine and engine cooling:engine:gasoline:turbo/supercharger (1). Complaint categories reflect owner reports and intake categorization; they do not establish a defect pattern or cause.
NHTSA currently has 2 investigation files overlapping the 1991 SYCLONE. Owners comparing this cohort against neighboring years should read the complaint-by-year trend as report volume, not a causal diagnosis. Use the related-complaint feed and the official recall lookup when researching a specific vehicle.
8
Complaints
2
Crashes
0
Fires
0
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 |
|---|---|
| SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP | 5 |
| POWER TRAIN:AUTOMATIC TRANSMISSION | 1 |
| ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER | 1 |
| POWER TRAIN:DRIVELINE:DRIVESHAFT | 1 |
Recent Complaints
20000207CrashSERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
WHILE DRIVING IN STOP AND GO TRAFFIC TRAVELING 3-5MPH, VEHICLE IN FRONT STOPPED SUDDENLY. CONSUMER WENT TO APPLY BRAKES, AND BRAKES FAILED AND PEDAL WENT TO THE FLOOR. DENTED THE BUMPER, AND CRACKED THE GRILL. DIDN'T CONTACT DEALER. *AK
19991122SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
FRONT SHAFT FROM TRANSFER CASE TO DIFFERENTIAL FAILED, REPLACED UNDER FACTORY WARRANTY, ABS BRAKE MASTER UNIT FAILED AT 52,550 MILES OUTSIDE THE EXTENDED WARRANTY BY 6 MONTHS DEALER REFUSED TO REPAIR UNDER WARRANTY, WANTED $1200+ IN PARTS PLUS LABOR TO REPAIR, CANNOT AFFORD TO REPAIR AT THIS TIME.
19991122POWER TRAIN:DRIVELINE:DRIVESHAFT
FRONT SHAFT FROM TRANSFER CASE TO DIFFERENTIAL FAILED, REPLACED UNDER FACTORY WARRANTY, ABS BRAKE MASTER UNIT FAILED AT 52,550 MILES OUTSIDE THE EXTENDED WARRANTY BY 6 MONTHS DEALER REFUSED TO REPAIR UNDER WARRANTY, WANTED $1200+ IN PARTS PLUS LABOR TO REPAIR, CANNOT AFFORD TO REPAIR AT THIS TIME.
19990727CrashSERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
FAILED TO STOP AND CRASHED INTO REAR OF VEHICLE IN FRONT OF ME
19981130SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
THE CONSUMER HAS BEEN EXPERIENCING PROBLEMS WITH ANTI-LOCK BRAKE SYSTEM. WHEN APPLYING THEIR BRAKES, DRIVER'S FOOT GOES ALL THE WAY TO THE FLOORBOARD. THE MANUFACTURER HAS YET TO BE CONTACTED. INVESTIGATION NUMBER EA94038. *AK
19980302SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
ANTI-LOCK BRAKE SYSTEM FAILED.
19950109POWER TRAIN:AUTOMATIC TRANSMISSION
PURCHASE THE TRUCK 18 MONTH USED TRUCK BEEN IN THE SHOP 8 MONTHS ON THE TRANSMISSION TWICE AND TURBO CHARGER BEEN REPLACE THREE TIME. TT
19950109ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER
PURCHASE THE TRUCK 18 MONTH USED TRUCK BEEN IN THE SHOP 8 MONTHS ON THE TRANSMISSION TWICE AND TURBO CHARGER BEEN REPLACE THREE TIME. TT
Compare 1991GMCSYCLONE to Similar Vehicles
NHTSA Investigations
Frequently Asked Questions
How many complaints does the 1991 GMC SYCLONE have?▼
The 1991 GMC SYCLONE has 8 NHTSA complaints, 2 crashes, 0 fires, 0 injuries, and 0 deaths reported.
What are the most common problems with the 1991 GMC SYCLONE?▼
The most-complained component for the 1991 GMC SYCLONE is SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP with 5 complaints. Other frequently reported areas include POWER TRAIN:AUTOMATIC TRANSMISSION and ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER.
Is the 1991 GMC SYCLONE 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 vintage: August 2026. 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.
Every figure on PlainCars is rendered directly from NHTSA complaint and safety data, no number is typed in by an editor. This year-specific record is rendered from NHTSA ODI, recall, and NCAP rows for the 1991 GMC SYCLONE; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.
Read our methodology - how this data is sourced, computed, and verified.