NISSAN MAXIMA · model year

1991 NISSAN MAXIMA

99 NHTSA complaints, 10 crash reports for this specific cohort.

NHTSA overall rating

Not crash-tested

New Car Assessment Program

The 1991NISSANMAXIMA carries 99 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 10 crashes, 2 fires, 11 injuries, 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 1991 MAXIMA is seats:front assembly:recliner with 7 filings, followed by visibility:power window devices and controls (5) and seat belts (4). 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 3 investigation files overlapping the 1991 MAXIMA. 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.

99
Complaints
10
Crashes
2
Fires
11
Injuries
0
Deaths

Total Complaints

99 filings

Crashes Reported

10 reports

Source

NHTSA ODI

Federal complaints database

Complaints vs. fleet median (215)

At or below the fleet median complaint volume.

Complaints by Component

ComponentCount
SEATS:FRONT ASSEMBLY:RECLINER7
VISIBILITY:POWER WINDOW DEVICES AND CONTROLS5
SEAT BELTS4
FUEL SYSTEM, GASOLINE4
FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS4
POWER TRAIN:AUTOMATIC TRANSMISSION4
SEAT BELTS:FRONT:WEBBING2
SUSPENSION2
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS2
SEAT BELTS:FRONT:ANCHORAGE2
VEHICLE SPEED CONTROL2
FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY2
ENGINE AND ENGINE COOLING:COOLING SYSTEM2
ENGINE AND ENGINE COOLING:ENGINE2
POWER TRAIN2

Recent Complaints

20141121SEAT BELTS:REAR/OTHER

TL* THE CONTACT OWNS A 1991 NISSAN MAXIMA. THE CONTACT STATED THAT THE REAR SEAT BELT ASSEMBLY WAS CORRODED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED.THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 370,000.

Mileage: 370,000

20130819CrashSEAT BELTS

GOING ABOUT 45 MPH AND HIT 2 PARKED CARS. DRIVERS SIDE SEATBELT DIDN'T CATCH. *TR

Mileage: 59

20110706FUEL SYSTEM, GASOLINE

TL* THE CONTACT OWNS 1991 NISSAN MAXIMA. THE CONTACT STATED THAT THE VEHICLE WAS TAKEN TO A LOCAL MECHANIC SHOP FOR CONCERNS WITH THE FUEL LINES. THE MECHANIC ADVISED THAT THERE WAS RUST AND CORROSION OF THE TANK, WHICH WOULD NEED REPLACING ALONG WITH THE PIPE FILLER. THE DEALER WAS CONTACTED AND STATED THAT HER VIN WAS NOT INCLUDED IN THE RECALL ASSOCIATED WITH NHTSA CAMPAIGN ID NUMBER: 95V244000, (FUEL SYSTEM, GASOLINE: STORAGE: TANK ASSEMBLY: FILLER PIPE AND CAP). THE MANUFACTURER WAS CONTACTED AND CONFIRMED THAT THE VEHICLE WAS NOT UNDER RECALL AND OFFERED NO FURTHER ASSISTANCE. THE FAILURE MILEAGE WAS 186,000.

Mileage: 186,000

20110407FUEL SYSTEM, GASOLINE

TL* THE CONTACT OWNS A 1991 NISSAN MAXIMA. THE CONTACT STATED THAT THE STRAPS CONNECTED TO THE FUEL TANK FRACTURED BECAUSE OF CORROSION AND THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC. THE MECHANIC DISCOVERED THAT THE FILLER CAP ASSEMBLY WAS CORRODED AND THAT THE MUFFLER COULD NOT BE REPLACED BECAUSE OF THE FUEL LEAK CAUSED BY THE CORROSION FROM THE TANK ASSEMBLY. THE MECHANIC REFERENCED NHTSA CAMPAIGN NUMBER: 95V244000 (FUEL SYSTEM), BUT THE CONTACT WAS TOLD BY THE MANUFACTURER THAT THE RECALL WAS EXPIRED AND THE VEHICLE WAS NOT INCLUDED. IN ADDITION, THE ODOMETER WAS INOPERABLE. THE FAILURE AND CURRENT MILEAGE WAS UNKNOWN.

20080224FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP

DEALER PERFORMED RECALL CAMPAIGN NO. 95V244000. A FEW YEARS LATER THE GAS FILLER TUBE IS STILL LEAKING GAS. I TOOK THE VEHICLE BACK TO THE DEALER AND THEY SAID THEY COULD NOT FIX IT BECAUSE THEY DO NOT WARRANTY PRIOR RECALL WORK. CAN THE DEALER REFUSE TO FIX IT A SECOND TIME ? SHOULDN'T THEY FIX IT TO PREVENT THE PROBLEM FROM OCCURRING AGAIN. THANK YOU . *TR

20071201SEAT BELTS:FRONT

SHOULDER BELT DOES NOT LOCK, ANYMORE, ON THOSE VERY SUDDEN STOPS OR WITH SNEEZES, LIKE IT USED TO, AND THE RED SEATBELT LIGHT ON DASH STAYS ON. DEALER CONFIRMED THAT IT IS NOT WORKING. SAYS NISSAN ISN'T RESPONSIBLE FOR SEATBELTS TO WORK IN OLDER CARS. *TR

Mileage: 100,000

20041215FireELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR

WE HAVE A 1991 NISSAN MAXIMA. ON TUESDAY, DEC. 13, 2004 IT BURNED UP UNDER THE HOOD AND MELTED EVERYTHING TO A CRISP. THE FIRE DEPARTMENT SAID THEY WERE NOT SURE IF IT WAS THE FUEL INJECTOR THAT CAUSED IT TO IGNITE. WE WERE ON OUR WAY TO SCHOOL, AND IT SMELLED LIKE GAS FUMES, THEN IT QUELLED DOWN, ABOUT 10 MINUTES LATER IT STARTED TO SMOKE. WE OPENED THE TRUNK FIRST TO GET A RAG AND THEN THE HOOD TURNED BLACK, AND IN 1 MINUTE. IT STARTED TO BLAZE. NONE OF THE BODY OF THE CAR WAS DAMAGED EXCEPT THE HOOD, AND EVERYTHING UNDER IT MELTED TO A CRISP. COULD THIS BE A DEFECT PLEASE GIVE ME A GUESS. THANKS FOR YOUR TIME. *AK

Mileage: 161,843

20040628SEAT BELTS:FRONT

POWER STEERING HOSE SPLIT...REPLACED PART...CURRENTLY EXPERIENCING VERY LOUD NOISE AND "BURNT" SMELL COMING FROM POWER STEERING PUMP...WHEN FLUID IN PUMP IS REPLACED, THE COLOR OF THE FLUID BECOMES BLACK IN NO TIME; ALSO EXPERIENCING STRONG GAS FUMES INSIDE CAR ESP. WHEN HEAT OR A/C IS TURNED ON; FRONT SEAT BELTS DO NOT FUNCTION PROPERLY...EITHER TOO TIGHT OR TOO LOOSE...SEAT BELT LIGHT & CHIME GOES ON AND OFF ALL THE TIME; DRIVER'S SEAT HAS BROKEN...HAD IT REPAIRED; DRIVER'S SIDE WINDOWS WILL NOT GO DOWN; SUNROOF LEAKS WHEN IT RAINS; HOOD LATCH DOES NOT ALLOW HOOD TO CLOSE PROPERLY, WHILE THE HYDROLICS UNDER THE HOOD WILL NOT KEEP THE HOOD UP WHEN OPENED...HOOD SLAMMED DOWN ONTO SERVICE TECH'S ARM AND ONTO ANOTHERS HEAD; SOMETIMES VIBRATES LOUD WHEN BRAKING; HIGH-PITCH CLITTER-CLATTER COMING FROM RT-FRT WHEEL; ODOMETER WILL NOT WORK AFTER SEVERAL ATTEMPTS TO FIX; BATTERY ACID DRIP DAMAGE ON STARTER; TRANSMISSION DIS-MOUNTED, HAD REPLACED, BUT CURRENTLY EXPERIENCING OIL LEAKAGE @ MAIN

Mileage: 134,097

20040628FUEL SYSTEM, GASOLINE

POWER STEERING HOSE SPLIT...REPLACED PART...CURRENTLY EXPERIENCING VERY LOUD NOISE AND "BURNT" SMELL COMING FROM POWER STEERING PUMP...WHEN FLUID IN PUMP IS REPLACED, THE COLOR OF THE FLUID BECOMES BLACK IN NO TIME; ALSO EXPERIENCING STRONG GAS FUMES INSIDE CAR ESP. WHEN HEAT OR A/C IS TURNED ON; FRONT SEAT BELTS DO NOT FUNCTION PROPERLY...EITHER TOO TIGHT OR TOO LOOSE...SEAT BELT LIGHT & CHIME GOES ON AND OFF ALL THE TIME; DRIVER'S SEAT HAS BROKEN...HAD IT REPAIRED; DRIVER'S SIDE WINDOWS WILL NOT GO DOWN; SUNROOF LEAKS WHEN IT RAINS; HOOD LATCH DOES NOT ALLOW HOOD TO CLOSE PROPERLY, WHILE THE HYDROLICS UNDER THE HOOD WILL NOT KEEP THE HOOD UP WHEN OPENED...HOOD SLAMMED DOWN ONTO SERVICE TECH'S ARM AND ONTO ANOTHERS HEAD; SOMETIMES VIBRATES LOUD WHEN BRAKING; HIGH-PITCH CLITTER-CLATTER COMING FROM RT-FRT WHEEL; ODOMETER WILL NOT WORK AFTER SEVERAL ATTEMPTS TO FIX; BATTERY ACID DRIP DAMAGE ON STARTER; TRANSMISSION DIS-MOUNTED, HAD REPLACED, BUT CURRENTLY EXPERIENCING OIL LEAKAGE @ MAIN

Mileage: 134,097

20040628EXTERIOR LIGHTING:HEADLIGHTS:HIGH/LOW BEAM DIMMER SWITCH

POWER STEERING HOSE SPLIT...REPLACED PART...CURRENTLY EXPERIENCING VERY LOUD NOISE AND "BURNT" SMELL COMING FROM POWER STEERING PUMP...WHEN FLUID IN PUMP IS REPLACED, THE COLOR OF THE FLUID BECOMES BLACK IN NO TIME; ALSO EXPERIENCING STRONG GAS FUMES INSIDE CAR ESP. WHEN HEAT OR A/C IS TURNED ON; FRONT SEAT BELTS DO NOT FUNCTION PROPERLY...EITHER TOO TIGHT OR TOO LOOSE...SEAT BELT LIGHT & CHIME GOES ON AND OFF ALL THE TIME; DRIVER'S SEAT HAS BROKEN...HAD IT REPAIRED; DRIVER'S SIDE WINDOWS WILL NOT GO DOWN; SUNROOF LEAKS WHEN IT RAINS; HOOD LATCH DOES NOT ALLOW HOOD TO CLOSE PROPERLY, WHILE THE HYDROLICS UNDER THE HOOD WILL NOT KEEP THE HOOD UP WHEN OPENED...HOOD SLAMMED DOWN ONTO SERVICE TECH'S ARM AND ONTO ANOTHERS HEAD; SOMETIMES VIBRATES LOUD WHEN BRAKING; HIGH-PITCH CLITTER-CLATTER COMING FROM RT-FRT WHEEL; ODOMETER WILL NOT WORK AFTER SEVERAL ATTEMPTS TO FIX; BATTERY ACID DRIP DAMAGE ON STARTER; TRANSMISSION DIS-MOUNTED, HAD REPLACED, BUT CURRENTLY EXPERIENCING OIL LEAKAGE @ MAIN

Mileage: 134,097

20040628LATCHES/LOCKS/LINKAGES:HOOD:LATCH

POWER STEERING HOSE SPLIT...REPLACED PART...CURRENTLY EXPERIENCING VERY LOUD NOISE AND "BURNT" SMELL COMING FROM POWER STEERING PUMP...WHEN FLUID IN PUMP IS REPLACED, THE COLOR OF THE FLUID BECOMES BLACK IN NO TIME; ALSO EXPERIENCING STRONG GAS FUMES INSIDE CAR ESP. WHEN HEAT OR A/C IS TURNED ON; FRONT SEAT BELTS DO NOT FUNCTION PROPERLY...EITHER TOO TIGHT OR TOO LOOSE...SEAT BELT LIGHT & CHIME GOES ON AND OFF ALL THE TIME; DRIVER'S SEAT HAS BROKEN...HAD IT REPAIRED; DRIVER'S SIDE WINDOWS WILL NOT GO DOWN; SUNROOF LEAKS WHEN IT RAINS; HOOD LATCH DOES NOT ALLOW HOOD TO CLOSE PROPERLY, WHILE THE HYDROLICS UNDER THE HOOD WILL NOT KEEP THE HOOD UP WHEN OPENED...HOOD SLAMMED DOWN ONTO SERVICE TECH'S ARM AND ONTO ANOTHERS HEAD; SOMETIMES VIBRATES LOUD WHEN BRAKING; HIGH-PITCH CLITTER-CLATTER COMING FROM RT-FRT WHEEL; ODOMETER WILL NOT WORK AFTER SEVERAL ATTEMPTS TO FIX; BATTERY ACID DRIP DAMAGE ON STARTER; TRANSMISSION DIS-MOUNTED, HAD REPLACED, BUT CURRENTLY EXPERIENCING OIL LEAKAGE @ MAIN

Mileage: 134,097

20040628POWER TRAIN:CLUTCH ASSEMBLY

POWER STEERING HOSE SPLIT...REPLACED PART...CURRENTLY EXPERIENCING VERY LOUD NOISE AND "BURNT" SMELL COMING FROM POWER STEERING PUMP...WHEN FLUID IN PUMP IS REPLACED, THE COLOR OF THE FLUID BECOMES BLACK IN NO TIME; ALSO EXPERIENCING STRONG GAS FUMES INSIDE CAR ESP. WHEN HEAT OR A/C IS TURNED ON; FRONT SEAT BELTS DO NOT FUNCTION PROPERLY...EITHER TOO TIGHT OR TOO LOOSE...SEAT BELT LIGHT & CHIME GOES ON AND OFF ALL THE TIME; DRIVER'S SEAT HAS BROKEN...HAD IT REPAIRED; DRIVER'S SIDE WINDOWS WILL NOT GO DOWN; SUNROOF LEAKS WHEN IT RAINS; HOOD LATCH DOES NOT ALLOW HOOD TO CLOSE PROPERLY, WHILE THE HYDROLICS UNDER THE HOOD WILL NOT KEEP THE HOOD UP WHEN OPENED...HOOD SLAMMED DOWN ONTO SERVICE TECH'S ARM AND ONTO ANOTHERS HEAD; SOMETIMES VIBRATES LOUD WHEN BRAKING; HIGH-PITCH CLITTER-CLATTER COMING FROM RT-FRT WHEEL; ODOMETER WILL NOT WORK AFTER SEVERAL ATTEMPTS TO FIX; BATTERY ACID DRIP DAMAGE ON STARTER; TRANSMISSION DIS-MOUNTED, HAD REPLACED, BUT CURRENTLY EXPERIENCING OIL LEAKAGE @ MAIN

Mileage: 134,097

20040628STEERING:HYDRAULIC POWER ASSIST SYSTEM

POWER STEERING HOSE SPLIT...REPLACED PART...CURRENTLY EXPERIENCING VERY LOUD NOISE AND "BURNT" SMELL COMING FROM POWER STEERING PUMP...WHEN FLUID IN PUMP IS REPLACED, THE COLOR OF THE FLUID BECOMES BLACK IN NO TIME; ALSO EXPERIENCING STRONG GAS FUMES INSIDE CAR ESP. WHEN HEAT OR A/C IS TURNED ON; FRONT SEAT BELTS DO NOT FUNCTION PROPERLY...EITHER TOO TIGHT OR TOO LOOSE...SEAT BELT LIGHT & CHIME GOES ON AND OFF ALL THE TIME; DRIVER'S SEAT HAS BROKEN...HAD IT REPAIRED; DRIVER'S SIDE WINDOWS WILL NOT GO DOWN; SUNROOF LEAKS WHEN IT RAINS; HOOD LATCH DOES NOT ALLOW HOOD TO CLOSE PROPERLY, WHILE THE HYDROLICS UNDER THE HOOD WILL NOT KEEP THE HOOD UP WHEN OPENED...HOOD SLAMMED DOWN ONTO SERVICE TECH'S ARM AND ONTO ANOTHERS HEAD; SOMETIMES VIBRATES LOUD WHEN BRAKING; HIGH-PITCH CLITTER-CLATTER COMING FROM RT-FRT WHEEL; ODOMETER WILL NOT WORK AFTER SEVERAL ATTEMPTS TO FIX; BATTERY ACID DRIP DAMAGE ON STARTER; TRANSMISSION DIS-MOUNTED, HAD REPLACED, BUT CURRENTLY EXPERIENCING OIL LEAKAGE @ MAIN

Mileage: 134,097

20040628VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

POWER STEERING HOSE SPLIT...REPLACED PART...CURRENTLY EXPERIENCING VERY LOUD NOISE AND "BURNT" SMELL COMING FROM POWER STEERING PUMP...WHEN FLUID IN PUMP IS REPLACED, THE COLOR OF THE FLUID BECOMES BLACK IN NO TIME; ALSO EXPERIENCING STRONG GAS FUMES INSIDE CAR ESP. WHEN HEAT OR A/C IS TURNED ON; FRONT SEAT BELTS DO NOT FUNCTION PROPERLY...EITHER TOO TIGHT OR TOO LOOSE...SEAT BELT LIGHT & CHIME GOES ON AND OFF ALL THE TIME; DRIVER'S SEAT HAS BROKEN...HAD IT REPAIRED; DRIVER'S SIDE WINDOWS WILL NOT GO DOWN; SUNROOF LEAKS WHEN IT RAINS; HOOD LATCH DOES NOT ALLOW HOOD TO CLOSE PROPERLY, WHILE THE HYDROLICS UNDER THE HOOD WILL NOT KEEP THE HOOD UP WHEN OPENED...HOOD SLAMMED DOWN ONTO SERVICE TECH'S ARM AND ONTO ANOTHERS HEAD; SOMETIMES VIBRATES LOUD WHEN BRAKING; HIGH-PITCH CLITTER-CLATTER COMING FROM RT-FRT WHEEL; ODOMETER WILL NOT WORK AFTER SEVERAL ATTEMPTS TO FIX; BATTERY ACID DRIP DAMAGE ON STARTER; TRANSMISSION DIS-MOUNTED, HAD REPLACED, BUT CURRENTLY EXPERIENCING OIL LEAKAGE @ MAIN

Mileage: 134,097

20040628BACK OVER PREVENTION:WARNINGS:EXTERNAL/PEDESTRIAN ALERT

POWER STEERING HOSE SPLIT...REPLACED PART...CURRENTLY EXPERIENCING VERY LOUD NOISE AND "BURNT" SMELL COMING FROM POWER STEERING PUMP...WHEN FLUID IN PUMP IS REPLACED, THE COLOR OF THE FLUID BECOMES BLACK IN NO TIME; ALSO EXPERIENCING STRONG GAS FUMES INSIDE CAR ESP. WHEN HEAT OR A/C IS TURNED ON; FRONT SEAT BELTS DO NOT FUNCTION PROPERLY...EITHER TOO TIGHT OR TOO LOOSE...SEAT BELT LIGHT & CHIME GOES ON AND OFF ALL THE TIME; DRIVER'S SEAT HAS BROKEN...HAD IT REPAIRED; DRIVER'S SIDE WINDOWS WILL NOT GO DOWN; SUNROOF LEAKS WHEN IT RAINS; HOOD LATCH DOES NOT ALLOW HOOD TO CLOSE PROPERLY, WHILE THE HYDROLICS UNDER THE HOOD WILL NOT KEEP THE HOOD UP WHEN OPENED...HOOD SLAMMED DOWN ONTO SERVICE TECH'S ARM AND ONTO ANOTHERS HEAD; SOMETIMES VIBRATES LOUD WHEN BRAKING; HIGH-PITCH CLITTER-CLATTER COMING FROM RT-FRT WHEEL; ODOMETER WILL NOT WORK AFTER SEVERAL ATTEMPTS TO FIX; BATTERY ACID DRIP DAMAGE ON STARTER; TRANSMISSION DIS-MOUNTED, HAD REPLACED, BUT CURRENTLY EXPERIENCING OIL LEAKAGE @ MAIN

Mileage: 134,097

20040615CrashVEHICLE SPEED CONTROL

CRASH. WHILE BACKING OUT OF PARKING SPOT IN DRIVEWAY. ENGINE WENT FULL THROTTLE 30 FEET ACROSS DRIVEWAY AND STRUCK A TREE. BOTH FEET ON BRAKES TRYING TO STOP CAR. DRIVERS SEAT BROKE. CAR IS NOT REPAIRABLE. EXACT SAME ACCIDENTS AS OCI CLAIM #'S 483257 AND 889677. *LA

20040615CrashSEATS

CRASH. WHILE BACKING OUT OF PARKING SPOT IN DRIVEWAY. ENGINE WENT FULL THROTTLE 30 FEET ACROSS DRIVEWAY AND STRUCK A TREE. BOTH FEET ON BRAKES TRYING TO STOP CAR. DRIVERS SEAT BROKE. CAR IS NOT REPAIRABLE. EXACT SAME ACCIDENTS AS OCI CLAIM #'S 483257 AND 889677. *LA

20040419CrashAIR BAGS

WHILE DRIVING VEHICLE FISH TAILED. THIS RESULTED IN CONSUMER LOSING CONTROL OF THE VEHICLE. IT WENT OVER A RAVINE, FLIPPED TWICE, HIT A TREE, AND A CONCRETE WALL BEFORE LANDING IN A CREEK. UPON IMPACT, DRIVER'S SIDE AIR BAG FAILED TO DEPLOY. VEHICLE IS TOTALED. *AK

Mileage: 190,000

20031207FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS

I HAVE A 1991 NISSAN MAXIMA. IT IS LEAKING FUEL FROM THE FUEL INJECTORS AND I AM AFRAID IT MAY CATCH ON FIRE. PLEASE HELP ME. *LA

Mileage: 210,100

20020912ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE

CONSUMER STATES EXHAUST MANIFOLD AND STUDS FAILED. *TT

Compare 1991NISSANMAXIMA to Similar Vehicles

NHTSA Investigations

Frequently Asked Questions

How many complaints does the 1991 NISSAN MAXIMA have?
The 1991 NISSAN MAXIMA has 99 NHTSA complaints, 10 crashes, 2 fires, 11 injuries, and 0 deaths reported.
What are the most common problems with the 1991 NISSAN MAXIMA?
The most-complained component for the 1991 NISSAN MAXIMA is SEATS:FRONT ASSEMBLY:RECLINER with 7 complaints. Other frequently reported areas include VISIBILITY:POWER WINDOW DEVICES AND CONTROLS and SEAT BELTS.
Is the 1991 NISSAN MAXIMA 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.