2004 Infiniti Q45
Only 7 complaints on file — too few for a fair verdict.
This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.
Only 7 complaints on file — too few for a fair verdict. The data below is complete but unranked.
COMPLAINTS PER YEAR
View as data table
| Year | Complaints |
|---|---|
| 1987 | 0 |
| 1988 | 0 |
| 1989 | 0 |
| 1990 | 28 |
| 1991 | 34 |
| 1992 | 28 |
| 1993 | 2 |
| 1994 | 30 |
| 1995 | 7 |
| 1996 | 7 |
| 1997 | 12 |
| 1998 | 14 |
| 1999 | 9 |
| 2000 | 9 |
| 2001 | 5 |
| 2002 | 20 |
| 2003 | 12 |
| 2004 | 7 |
| 2005 | 4 |
| 2006 | 0 |
KNOWN PROBLEM AREAS
Only 7 complaints on file for this model year -- too few to rank by share. Raw counts only, below.
3 of 7 total reports mention: electrical system.
Show complaint excerpts
I WAS DRIVING AND DASHBOARD LIGHTS CAME ON, THEN VEHICLE CUT OFF ON THE HIGHWAY. I ASSUMED IT WAS A BAD ALTERNATOR, BUT IT WAS A DEFECTIVE CRANK SENSOR. *TR
NHTSA ODI report, 20140923
2004 INFINITI Q45 LEMON THIS AUTOMOBILE HAS AN IN-SERVICE DATE OF 12-17-04, PURCHASED BY ME ON 02-08-08 AT 26,670 MILES WITH 10 MONTHS REMAINING ON THE TIME WARRANTY THAT'S EXPIRED.
NHTSA ODI report, 20101004
2 of 7 total reports mention: vehicle speed control.
Show complaint excerpts
DT:THE CONSUMERS VEHICLE HAS A CRUISE CONTROL THAT HAS A CHIP THAT IF A CAR GETS TOO CLOSE TO IT SLOWS DOWN.
NHTSA ODI report, 20050630
THE CONSUMER BELIEVES THAT THE LASER CONTROLLED CRUISE CONTROL COULD BE A POTENTIAL SAFETY ISSUE TO AN UNWARY DRIVER. *NM THE SYSTEM DOES NOT WORK IN THE RAIN OR WHEN DRIVING INTO THE SUN AT SUNSET.
NHTSA ODI report, 20050217
2 of 7 total reports mention: steering.
Show complaint excerpts
TL* THE CONTACT OWNS A 2004 INFINITI Q45. THE CONTACT STATED THAT THE VEHICLE'S FRAME WAS CORRODED. THE VEHICLE WAS INCLUDED IN NHTSA CAMPAIGN NUMBER: 11V244000 (STEERING, SUSPENSION). THE MANUFACTURER STATED THAT THEY WOULD NOT PAY FOR THE REPAIR.
NHTSA ODI report, 20190131
I WAS DRIVING AND DASHBOARD LIGHTS CAME ON, THEN VEHICLE CUT OFF ON THE HIGHWAY. I ASSUMED IT WAS A BAD ALTERNATOR, BUT IT WAS A DEFECTIVE CRANK SENSOR. *TR
NHTSA ODI report, 20140923
2 of 7 total reports mention: exterior lighting.
2 of 7 total reports mention: engine.
Show complaint excerpts
I WAS DRIVING AND DASHBOARD LIGHTS CAME ON, THEN VEHICLE CUT OFF ON THE HIGHWAY. I ASSUMED IT WAS A BAD ALTERNATOR, BUT IT WAS A DEFECTIVE CRANK SENSOR. *TR
NHTSA ODI report, 20140923
SAFETY TIMELINE
ON CERTAIN PASSENGER VEHICLES, THE BRAKE LAMP SWITCH MAY MALFUNCTION.
Remedy: DEALERS WILL REPLACE THE BRAKE LAMP SWITCH. THE RECALL BEGAN ON OCTOBER 25, 2004. OWNERS SHOULD CONTACT INFINITI AT 1-800-662-6200.
Campaign 04V497000 — check if this car was fixed
SIDE AIR BAG NON-DEPLOYMENT
Non-deployment of Side Thorax Air Bags
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
Remedy: NISSAN WILL NOTIFY OWNERS, AND DEALERS WILL MODIFY THE WIRING CONNECTOR, FREE OF CHARGE. THE SAFETY RECALL BEGAN ON MARCH 19, 2012. OWNERS MAY CONTACT NISSAN CUSTOMER SERVICE AT 1-800-647-7261.
Campaign 12V079000 — check if this car was fixed
BUY-SMART CHECKLIST
2004 Infiniti Q45 — pre-purchase inspection
- Test/inspect for electrical system issues (3 reports on file for this year).
- Test/inspect for vehicle speed control issues (2 reports on file for this year).
- Test/inspect for steering issues (2 reports on file for this year).
- Verify recall 04V497000 (exterior lighting) has been completed.
- Verify recall 12V079000 (air bags) has been completed.
FAQ
Is the 2004 Infiniti Q45 reliable?
There isn't enough NHTSA complaint data on file yet to give this model year a verdict.
What are the most common problems with the 2004 Infiniti Q45?
The most-reported component is electrical system, accounting for 43% of complaints on file.
How many recalls does the 2004 Infiniti Q45 have?
2 recalls on file for this model year.
Data updated 2026-07-11 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.