2005 Infiniti Q45 Problems
Used INFINITI Q45 shoppers should review this model-year complaint and recall record before making an offer. Based on 4 real NHTSA owner complaints, with Unintended Acceleration the most reported area.
Before you buy
This 2005 Infiniti Q45 has 4 NHTSA complaints — top issue: Unintended Acceleration.
A model-year pattern isn't the car in front of you. Check this exact VIN for accidents, open recalls, odometer rollback, and salvage titles.
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2005 Infiniti Q45 Fuel Economy
✓ EPA Official DataEPA official fuel economy rating for the 2005 Infiniti Q45.
Source: EPA FuelEconomy.gov. Figures reflect EPA lab testing; real-world results vary by driving style, load, and conditions.
2005 Infiniti Q45 Safety Ratings
NHTSA 5-Star ProgramOfficial crash test results from the NHTSA 5-Star Safety Ratings program. Stars reflect government-conducted tests; higher is safer.
Overall
Not RatedFrontal Crash
Not RatedSide Crash
Not RatedRollover
Not RatedSource: NHTSA 5-Star Safety Ratings. Ratings are based on government crash tests and may not reflect all trim levels.
Based on NHTSA complaint data, the 2005 Infiniti Q45 has 4 owner complaints, 1 crash-related complaints, and 3 recall campaigns on record. The most frequently reported component is Unintended Acceleration. NHTSA reliability signal: Severe Issues.
- Make
- Infiniti
- Model
- Q45
- Model year
- 2005
- NHTSA owner complaints
- 4
- Crash-related complaints
- 1
- Safety recall campaigns
- 3
- Top reported component
- Unintended Acceleration
- Reliability signal
- Severe Issues
- EPA MPG combined
- 18
- EPA MPG city / highway
- 16 / 22
- Fuel type
- Premium Gasoline
- Electronic stability control
- Standard
Common problems
Most common 2005 Infiniti Q45 problems
Top owner-reported complaint areas and where they often appear.
Unintended Acceleration
Airbag Malfunctions
Seat-Related Issues
Complaint patterns center on Unintended Acceleration, Airbag Malfunctions, Seat-Related Issues. Use these as a pre-purchase inspection guide, then verify recall and damage history on the specific VIN.
Buyer verdict
Should you buy a used 2005 Infiniti Q45?
This INFINITI Q45 year shows a meaningful number of reported issues, so buyers should only proceed after a careful records review and inspection.
Model-year complaint trends can reveal recurring trouble spots before you spend money on inspections, financing, or repairs.
May Suit
This year may suit buyers who prioritize complete maintenance records and pass a pre-purchase inspection.
May Want to Avoid
Buyers who want a lower-risk ownership profile may prefer comparing nearby model years before committing.
Pre-purchase
What to check before buying a used 2005 Infiniti Q45
Inspection Focus
- Inspect the most frequently reported complaint components on this model year
- Confirm recall repairs were completed and documented
- Check for accident damage, title brands, and mileage inconsistencies on the exact VIN
Before You Close the Deal
- Run a VIN check on the specific vehicle you are considering
- Verify all open recalls are completed at nhtsa.gov/recalls
- Request service records for the most-reported complaint components
- Have a certified mechanic inspect the vehicle before purchase
Check the exact car
Shortlist with model-year data. Decide with the exact VIN.
Before buying a used 2005 Infiniti Q45, run a VIN history report to verify accidents, title brands, odometer records, theft checks, and open recalls for the exact vehicle.
Full breakdown
All 2005 Infiniti Q45 complaints by category
Every owner-reported complaint category filed with NHTSA for the 2005 Infiniti Q45. Use this as a pre-purchase inspection checklist.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Unintended Acceleration | 1 | — | — | — | |
| Airbag Malfunctions | 1 | 1 | — | — | |
| Seat-Related Issues | 1 | 1 | — | — | |
| Tire Issues | 1 | — | — | — | |
| Electrical Faults | 1 | — | — | — |
Source: NHTSA Complaints Database. Complaint counts may exceed total complaints because one report can span multiple categories.
In their words
Real owner complaints
Read what owners actually reported to NHTSA for the 2005 Infiniti Q45. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
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 O…
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 WA…
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…
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…
Source: NHTSA Complaints Database. Real owner reports for the 2005 Infiniti Q45.
Safety recalls
2005 Infiniti Q45 recalls
3 campaignsNHTSA recall campaigns for the 2005 Infiniti Q45. 3 recall campaigns are on record, so recall completion status should be confirmed on the exact VIN before purchase. Recalls are free to fix at authorized dealers, but completion status must be verified on the exact VIN.
AIR BAGS:SIDE/WINDOW
EXTERIOR LIGHTING:BRAKE LIGHTS
CHILD SEAT:LATCH STRAP
Research more
Keep researching before you buy
Compare brands and categories, then check the exact car's history by VIN.
Questions
2005 Infiniti Q45 buying FAQ
Buyer-focused answers based on real NHTSA complaint and recall data for this model year.
Is the 2005 Infiniti Q45 reliable?▾
Severe Issues. NHTSA currently shows 4 owner complaints, 1 crash-related complaints, and 3 recall campaigns for this model year. This INFINITI Q45 year shows a meaningful number of reported issues, so buyers should only proceed after a careful records review and inspection. Treat this as a model-year signal, then verify the exact vehicle's condition and history before purchase.
What are the most common problems with the 2005 Infiniti Q45?▾
#1: Unintended Acceleration (1 complaints). #2: Airbag Malfunctions (1 complaints). #3: Seat-Related Issues (1 complaints)
At what mileage do problems start on the 2005 Infiniti Q45?▾
Mileage data is not available or insufficient for this model year.
How safe is the 2005 Infiniti Q45?▾
Complaint data is not the same as crash-test scoring, but it does highlight possible risk patterns. For the 2005 Infiniti Q45, NHTSA complaints include 1 crash-related reports and 0 fire reports out of 4 total complaints. 1 injury reports are also on file. For controlled crash-test ratings, check nhtsa.gov/ratings.
Does the 2005 Infiniti Q45 have any recalls?▾
Yes. 3 NHTSA recall campaigns affect the 2005 Infiniti Q45. A major recall area is AIR BAGS:SIDE/WINDOW. 3 recall campaigns are on record, so recall completion status should be confirmed on the exact VIN before purchase. Always verify open recalls by VIN because completion status varies by vehicle.
Should I buy a 2005 Infiniti Q45?▾
This INFINITI Q45 year shows a meaningful number of reported issues, so buyers should only proceed after a careful records review and inspection. Model-year complaint trends can reveal recurring trouble spots before you spend money on inspections, financing, or repairs. Pay extra attention to Unintended Acceleration during inspection. Before committing, run a VIN history report to verify accidents, title brands, odometer records, and recall completion for the exact car.
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinSpectorAI.
Wider context: See the full Infiniti Q45 reliability report with year-by-year comparison.
Owner Reliability Rating
Rate the 2005 Infiniti Q45 based on your ownership experience.
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Ratings are based on owner experience and are separate from NHTSA data shown above.
Before you buy
Check the exact vehicle history before you buy
Model-year complaints and recalls reveal patterns. A VIN report confirms whether the exact car has accident history, title brands, mileage issues, or open recalls.