Total Complaints
5 filings
INFINITI Q45 · model year
5 NHTSA complaints, 2 crash reports, and 3 recall campaigns listed for this cohort. 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 2005INFINITIQ45 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, 2 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 2005 Q45 is electrical system:ignition with 1 filings, followed by tires (1) and air bags (1). Complaint categories reflect owner reports and intake categorization; they do not establish a defect pattern or cause. This cohort has 3 NHTSA recall campaigns listed below. Enter a VIN in NHTSA's official recall lookup to determine whether a specific vehicle has an unrepaired recall.
NHTSA currently has 7 investigation files overlapping the 2005 Q45. 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.
Total Complaints
5 filings
Crashes Reported
2 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| ELECTRICAL SYSTEM:IGNITION | 1 |
| TIRES | 1 |
| AIR BAGS | 1 |
| SEATS | 1 |
| VEHICLE SPEED CONTROL | 1 |
CHILD SEAT:LATCH STRAP
CERTAIN PASSENGER VEHICLES EQUIPPED WITH POWER REAR SEATS FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 225, "CHILD RESTRAINT ANCHORAGE SYSTEMS." THE LOWER ANCHORAGE BRACKETS IN THE REAR SEATS DO NOT MEET THE LOCATION REQUIREMENT IN THIS STANDARD. THIS MAY CAUS
AIR BAGS:SIDE/WINDOW
NISSAN IS RECALLING CERTAIN MODEL YEAR 2003-2005 INFINITI Q45 VEHICLES. A WIRING CONNECTOR FOR THE SEAT MOUNTED AIRBAG MAY EXPERIENCE INCREASED ELECTRICAL RESISTANCE, RESULTING IN THE NON-DEPLOYMENT OF THE SIDE AIR BAGS.
EXTERIOR LIGHTING:BRAKE LIGHTS
CERTAIN VEHICLES FAIL TO COMPLY WITH THE STOP LAMP AND REFLEX REFLECTOR REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, 'LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT."
WHEN CRUISE CONTROL IS SET, AND THE NEED TO PASS OR SPEED UP IS REQUIRED, IF YOU PRESS THE GAS PEDAL TO THE FLOOR THE CAR TAKES OFF AND *THEN STOPS RESPONDING AND DROPS BACK TO SET CRUISE CONTROL SPEED WHILE YOU ARE STILL FLOORING IT. IT BUCKS BACK AND FORTH. I SPOKE TO SEVERAL OWNERS ON A INFINITI OWNERS SITE AND THERES PERFORMS THE SAME. ITS DANGEROUS IF THE NEED TO SPEED UP OCCURS. THIS IS A PROBLEM IN THE CODING OF THE PARAMETERS IN THE ECU AND COULD BE DEADLY WITH UNEXPECTED PERFORMANCE. THIS HAPPENED ON I40 IN KNOXVILLE TENNESSEE IN HEAVY TRAFFIC. THIS CONDITION CAN BE REPEATED BACK TO BACK MULTIPLE TIMES.
Mileage: 87,000
TL* THE CONTACT OWNS A 2005 INFINITI Q45. THE CONTACT STATED THAT WHILE DRIVING 35 MPH, ANOTHER VEHICLE CRASHED INTO HER PASSENGER SIDE. THE AIR BAGS DID NOT DEPLOY AND THE FRONT DRIVER'S SEAT TWISTED TOWARD THE DRIVER'S DOOR DURING THE CRASH. THE CONTACT SUFFERED INJURIES AND WAS TAKEN TO THE HOSPITAL. THE VEHICLE WAS TOWED TO THE CONTACT'S HOME. THE FAILURE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 117,000.
Mileage: 117,000
TL* THE CONTACT OWNS A 2005 INFINITI Q45. THE CONTACT STATED THAT WHILE DRIVING 35 MPH, ANOTHER VEHICLE CRASHED INTO HER PASSENGER SIDE. THE AIR BAGS DID NOT DEPLOY AND THE FRONT DRIVER'S SEAT TWISTED TOWARD THE DRIVER'S DOOR DURING THE CRASH. THE CONTACT SUFFERED INJURIES AND WAS TAKEN TO THE HOSPITAL. THE VEHICLE WAS TOWED TO THE CONTACT'S HOME. THE FAILURE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 117,000.
Mileage: 117,000
I PURCHASED 4 NEW TIRES FOR MY VEHICLE ON 7/24/2010 THE TIRES IN QUESTION ARE MICHELIN P245/45R18 PRIMACY MXV4 96V. AFTER ONLY 3500 MILES THE REAR RIGHT TIRE BLEW ON THE HIGHWAY, FORTUNATELY FOR ME THERE WAS HEAVY TRAFFIC AND I WAS NOT DOING OVER 30MPH. THE TIRE WAS REPLACED WITH THE SPARE TIRE AND THEN IT WAS DISCOVERED A 3" GASH FROM THE SIDE WALL TO THE FIRST THREAD. NO FOREIGN OBJECTS WERE FOUND IN THE TIRE TO SUGGEST THAT I PICKED SOMETHING ON THE ROAD,HOWEVER I DID NOTICE THAT THE REINFORCEMENTS WERE RIPPED I AM CONCERNED ABOUT THE SAFETY OF THESE TIRES AND HAVE KEPT THE DAMAGED TIRE FOR INSPECTION FOR ANYONE WHO MAY WANT TO INVESTIGATE. THANK YOU. *TR
Mileage: 81,600
TL*THE CONTACT OWNS A 2005 INFINITI Q45. WHILE THE VEHICLE WAS PARKED, THE CONTACT ATTEMPTED TO START THE VEHICLE; HOWEVER, THE KEY WOULD NOT TURN IN THE IGNITION. SHE CALLED AAA TO GET THE VEHICLE TO START. THE VEHICLE WAS TAKEN TO THE DEALER FOR SERVICE, BUT NO FAILURES WERE FOUND AT THAT TIME. THE CURRENT MILEAGE WAS 28,000 AND FAILURE MILEAGE WAS 17,000. UPDATED 01/02/08. *LJ UPDATED 12/12/07 *TR
Mileage: 17,000
Complete loss of motive power due to engine failure
Occupant Classification System Failure
Improper Frontal Air Bag Deployment
Steering column separation
Collision Mitigation System Malfunction
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 2005 INFINITI Q45; 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.